U-Line 3018RGL, 3018WC, 3018RG User Manual

USER GUIDE

RIGHT PRODUCT. RIGHT PLACE. RIGHT TEMPERATURE. SINCE 1962.

SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE

Modular 3000 Series • 3018RGL • 18" Glass Door Refrigerator

USER GUIDE

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Contents

SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE

Intro

Safety

Safety and Warning

Disposal and Recycling

Installation

Environmental Requirements

Electrical

Cutout Dimensions

Product Dimensions

Side by Side Installation

Anti-Tip Bracket

General Installation

Integrated Grille / Plinth Dimensions

Grille / Plinth Installation

Extended Non-Use

Service

Troubleshooting

Warranty

Service Extended

Wire Diagram

Product Liability

Warranty Claims

Ordering Replacement Parts

System Diagnosis Guide

Compressor Specifications

Troubleshooting Extended

Control Quick Guide

Control Defaults

Door Swing

Door Stop

Door Adjust

Operating Instructions

First Use

Control Operation

Sabbath Mode

Airflow and Product Loading

Interior Shelves

Refrigerator Bins / Crisper

Maintenance

Cleaning

Cleaning Condenser

Service Mode

Thermistor

Defrost

Remove Fan and Cover

USER GUIDE

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WELCOME TO U-LINE

Congratulations on your U-Line purchase. Your product comes from a company with over five decades and three generations

of premium modular ice making, refrigeration, and wine preservation experience. U-Line continues to be the American

leader, delivering versatility and flexibility for multiple applications including residential, light commercial, outdoor and marine

use. U-Line’s complete product collection includes modular Wine Captain® Models, Beverage Centers, Clear Ice Machines,

Crescent Ice Makers, Glass & Solid Door Refrigerators, Drawer Models, Freezers, and Combo® Models.

U-Line has captivated those with an appreciation for the finer things with exceptional functionality, style, inspired innovations

and attention to even the smallest details. We are known and respected for our unwavering dedication to product design,

quality and selection. U-Line is headquartered in Milwaukee, Wisconsin with a west coast office located in Laguna Beach,

California and European support in Dublin, Ireland. U-Line has shipped product to five continents for over two decades and is

proud to have the opportunity to ship to you.

PRODUCT INFORMATION

Looking for additional information on your product? User Guides, Quick Reference Guides, CAD Drawings, Compliance

Documentation, and Product Warranty information are all available for reference and download at u-line.com under

Documentation.

PROPERTY DAMAGE / INJURY CONCERNS

In the unlikely event property damage or personal injury is suspected related to a U-Line product, please take the following

steps:

1. U-Line Customer Care must be contacted immediately at +1.800.779.2547.

2. Service or repairs performed on the unit without prior written approval from U-Line is not permitted. If the unit has been

altered or repaired in the field without prior written approval from U-Line, claims will not be eligible.

SERVICE INFORMATION

Answers to Customer Frequently Asked Questions are available at u-line.com under Customer Care or you may contact our

Customer Care group directly, contact information below.

GENERAL INQUIRIES

U-Line Corporation

8900 N. 55th Street

Milwaukee, Wisconsin 53223 USA

Monday - Friday 8:00 am to 4:30 pm CST

T: +1.414.354.0300

F: +1.414.354.7905

Email: [e-mail]

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SERVICE & PARTS ASSISTANCE

Monday - Friday 8:00 am to 5:30 pm CST

T: +1.800.779.2547

F: +1.414.354.5696

Service Email: [e-mail]

Parts Email: [e-mail]

CONNECT WITH US

Designed, engineered and assembled in WI, USA

Introduction 1

USER GUIDE

NOTICE

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Safety and Warning

Please read all instructions before installing,
operating, or servicing the appliance.

Use this appliance for its intended purpose only and follow
these general precautions with those listed throughout this
guide:

SAFETY ALERT DEFINITIONS

Throughout this guide are safety items labeled with a
Danger, Warning or Caution based on the risk type:

DANGER

!

Danger means that failure to follow this safety
statement will result in severe personal injury or
death.

DANGER

!

This unit contains R600a (Isobutane) which is a
flammable hydrocarbon. It is safe for regular
use. Do not use sharp objects to expedite
defrosting. Do not service without consulting the
“R600a specifications” section included in the
User Guide. Do not damage the refrigerant
circuit.

WARNING

!

Service must be done by factory authorized
service personnel. Any parts shall be replaced
with like components. Failure to comply could
increase the risk of possible ignition due to
incorrect parts or improper service.

WARNING

!

Warning means that failure to follow this safety
statement could result in serious personal injury
or death.

CAUTION

!

Caution means that failure to follow this safety
statement may result in minor or moderate
personal injury, property or equipment damage.

Safety and Warning 1

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Disposal and Recycling

DANGER

!

RISK OF CHILD ENTRAPMENT. Before you throw

away your old refrigerator or freezer, take off

the doors and leave shelves in place so children

may not easily climb inside.

If the unit is being removed from service for disposal,

check and obey all federal, state and local regulations

regarding the disposal and recycling of refrigeration

appliances, and follow these steps completely:

1. Remove all consumable contents from the unit.

2. Unplug the electrical cord from its socket.

3. Remove the door(s)/drawer(s).

Disposal and Recycling 1

USER GUIDE

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Environmental Requirements

This model is intended for indoor/interior applications only

and is not to be used in installations that are open/

exposed to natural elements.

This unit is designed to operate between 50°F (10°C) and

100°F (38°C). Higher ambient temperatures may reduce

the unit’s ability to reach low temperatures and/or reduce

ice production on applicable models.

For best performance, keep the unit out of direct sunlight

and away from heat generating equipment.

In climates where high humidity and dew points are

present, condensation may appear on outside surfaces.

This is considered normal. The condensation will

evaporate when the humidity drops.

CAUTION

!

Damages caused by ambient temperatures of

40°F (4°C) or below are not covered by the

warranty.

Environmental Requirements 1

USER GUIDE

NOTICE

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Electrical

WARNING

!

SHOCK HAZARD — Electrical Grounding

Required. Never attempt to repair or perform

maintenance on the unit until the electricity has

been disconnected.

Never remove the round grounding prong from

the plug and never use a two-prong grounding

adapter.

Altering, cutting or removing power cord,

removing power plug, or direct wiring can cause

serious injury, fire, loss of property and/or life,

and will void the warranty.

Never use an extension cord to connect power to

the unit.

Always keep your working area dry.

Electrical installation must observe all state and

local codes. This unit requires connection to a

grounded (three-prong), polarized receptacle

that has been placed by a qualified electrician.

The unit requires a grounded and polarized 115 VAC,

60 Hz, 15A power supply (normal household current). An

individual, properly grounded branch circuit or circuit

breaker is recommended. A GFCI (ground fault circuit

interrupter) is usually not required for fixed location

appliances and is not recommended for your unit because

it could be prone to nuisance tripping. However, be sure

to consult your local codes.

See CUTOUT DIMENSIONS for recommended receptacle

location.

Electrical 1

USER GUIDE

4"

(102 mm)

7"

(178 mm)

17-3/4"

(450 mm)

33-7/8"

(860 mm)

to

34-7/8"

(886 mm)

Preferred location
for electrical outlet
is in adjacent
cabinet.

24"

(610 mm)

5/8"

(16 mm)

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Cutout Dimensions

PREPARE SITE

Your U-Line product has been designed exclusively for a

built-in installation. When built-in, your unit does not

require additional air space for top, sides, or rear.

However, the front grille must NOT be obstructed.

The Modular 3000 Series units are engineered with a

variety of adjustment features to help ensure a seamless

installation. Adjustable doors, leveling legs and grille will

assist in fine tuning the installation.

All 3000 Series models fully integrate into overlay/face

frame, inset or European/frameless cabinet styles and

install seamlessly into standard 24" (610 mm) depth

cabinet base.

CAUTION

!

CUTOUT DIMENSIONS

Unit can NOT be installed behind a closed cabinet

door.

U-Line products are designed and manufactured

to be seamlessly installed in the specified cutout

openings shown, and variance to the floors or

cabinetry must be accounted for in your

installation.

Cutout Dimensions 1

USER GUIDE

33-11/16" to 34-11/16"

(856 mm to 881 mm)

17-3/4"

(450 mm)

3-5/8" to 4-5/8"

(92 mm to 118 mm)

Not Including Handle

23-7/16" (590 mm)

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Product Dimensions

Product Dimensions 1

USER GUIDE

1/4" (6 mm)

13/16" (22 mm)

4-9/16" (116 mm)

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Side-by-Side Installation

OTHER SITE REQUIREMENTS

Side-by-Side Installation

Units must operate from separate, properly grounded

electrical receptacles placed according to each unit’s

electrical specifications requirements.

Cutout width for a side-by-side installation is the total of

the widths listed under Cutout Dimensions in each unit’s

Installation Guide. Each door can be opened individually

(one at a time) without interference.

Hinge-by-Hinge Installation (Mullion)

When installing two units hinge-by-hinge, 13/16" (22 mm)

is required for integrated models. Additional space may be

needed for any knobs, pulls or handles installed.

Stainless steel models which include the standard stainless

handle will require 4-9/16" (116 mm) to allow both doors

to open to 90° at the same time.

However, to ensure unobstructed door swing (opening

both doors at the same time), 1/4" (6.4 mm) of space

needs to be maintained between the units.

Side-by-Side Installation 1

USER GUIDE

Left Hinged Cabinet

Right Hinged Cabinet

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Anti-Tip Bracket

CAUTION

!

The anti-tip bracket must be installed to prevent

the unit from tipping when doors are fully

opened or excess weight is placed on the front of

the unit.

The anti-tip bracket has multiple mounting options.

Mounting will depend on your particular cabinet

configuration. Follow the instructions below to secure the

anti-tip plate to the unit. Locate your anti-tip bracket and

5 #8x5/8" screws included with your unit.

TOP MOUNT

5. Using a 3/32" drill bit, drill 3 pilot holes 5/8" (16 mm)

deep into bottom of countertop. Use the anti-tip

bracket as a template.

6. Install the 3 remaining #8x5/8" screws into the plate

using a #2 Phillips head screwdriver.

SIDE MOUNT

Top mount configurations work well with fully secured

wood or laminate countertops.

1. Align the bracket on top of your unit as shown above.

The bracket must be used to ensure a secure mount.

2. Using 2 of the supplied #8x5/8" screws, install screws

into the plate using a #2 Phillips head screwdriver.

3. Completely slide the unit into its position in the

cabinet. Be certain unit height is properly adjusted.

(See GENERAL INSTALLATION).

4. Open door completely. Make certain door clears

surrounding cabinetry.

Side mount configurations work well if you have a granite

countertop or do not wish to mount the bracket to the

underside of your countertop.

1. Align the bracket to the hinge side of the unit as shown

above.

2. Using 2 of the supplied #8x5/8" screws, install screws

into the plate using a #2 Phillips head screwdriver.

3. Completely slide the unit into its position in the

cabinet. Be certain unit height is properly adjusted.

(See GENERAL INSTALLATION).

4. Open door completely. Make certain door clears

surrounding cabinetry.

Anti-Tip Bracket 1

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5. Using a 3/32" drill bit, drill 3 pilot holes 5/8" (16 mm)

deep into cabinetry frame using the anti-tip bracket as

a template.

6. Install the 3 remaining #8x5/8" screws into the plate

using a #2 Phillips head screwdriver.

Anti-Tip Bracket 2

USER GUIDE

2

1

Rotate Clockwise to raise rear leg.

Rotate Counter-Clockwise to lower leg.

Rotate Front Legs to Adjust

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General Installation

LEVELING INFORMATION

1. Use a level to confirm

the unit is level. Level

should be placed along

top edge and side

edge as shown.

2. If the unit is not level,

remove grille and

adjust legs as

necessary. Use

included tool to adjust

the height of the rear legs.

INSTALLATION

1. Plug in the power/electrical cord.

2. Gently push the unit into position. Be careful not to

entangle the cord.

3. Re-check the leveling, from front to back and side to

side. Make any necessary adjustments. The unit’s top

surface should be approximately 1/8" (3 mm) below

the countertop.

4. Install the anti-tip bracket.

5. Remove the interior packing material and wipe out the

inside of the unit with a clean, water-dampened cloth.

3. Confirm the unit is level after each adjustment and

repeat the previous steps until the unit is level.

INSTALLATION TIP

If the room floor is higher than the floor in the cutout

opening, adjust the rear legs to achieve a total unit rear

height of 1/8" (3 mm) less than the opening’s rear height.

Shorten the unit height in the front by adjusting the front

legs. This allows the unit to be gently tipped into the

opening. Adjust the front legs to level the unit after it is

correctly positioned in the opening.

General Installation 1

USER GUIDE

Apply Tape To Shaded Area

1" (25 mm)

1-1/2"

(38 mm)

17-3/4"

(450 mm)

14-3/4"

(374 mm)

3-5/16" to 4-5/16"

(84 mm to 110 mm)

1-1/2"

(38 mm)

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Integrated Grille - Plinth
Dimensions

PREPARE AND INSTALL INTEGRATED GRILLE
(PLINTH STRIP/BASE FASCIA)

1. Use the dimensions provided in the diagram to cut and

shape your integrated grille (plinth strip/base fascia)

panel. Recommended panel thickness is between 1/4"

(6 mm) and 3/8" (9 mm). Height will vary from 3-5/16"

(84 mm) to 4-5/16" (110 mm) based on your grille

(plinth strip/base fascia) height.

2. Finish or stain your grille (plinth strip/base fascia)

panel to match your surrounding furniture. Finish

front, back and edges to prevent warping. Carefully

follow the manufacturer’s recommendations for finish

application and cure times.

3. Apply double sided tape to the backside of the

integrated grill (plinth strip/base fascia). Use the

diagram below for reference. U-Line recommends

3M

™ VHB™ tape, a high strength bonding tape.

INTEGRATED GRILLE (PLINTH STRIP/BASE
FASCIA) DIMENSIONS

4. Remove backing paper from double sided tape.

5. Carefully align grille (plinth strip/base fascia) over

integrated panel and press into position.

Integrated Grille - Plinth Dimensions 1

USER GUIDE

Grille Mounting

Screws

Grille Rail

Grille

Skirt

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Grille - Plinth Installation

REMOVING AND INSTALLING GRILLE
(PLINTH STRIP/BASE FASCIA)

WARNING

!

Disconnect electrical current to the unit before

removing the grille (plinth strip/base fascia).

When using the unit, the grille (plinth strip/base

fascia) must be installed.

Edges of sheet metal may be sharp.

Removing the grille
(plinth strip/base fascia)

1. Disconnect electrical current to unit.

2. Using the included 7/64" Allen wrench, loosen (but do

not remove) both grille (plinth strip/base fascia) lock

screws. See below.

Installing the grille
(plinth strip/base fascia)

1. Align slots in

screw heads in base of unit

2. Push grille (plinth strip/base fascia) rails towards the

center of the unit and set rails over screw head.

3. Slide grille (plinth strip/base fascia) into position. Using

included 7/64" Allen wrench tighten grille (plinth strip/

base fascia) lock screws.

ADJUSTING GRILLE
(PLINTH STRIP/BASE FASCIA)

The

grille (plinth strip/base fascia

vertical plane adjustment and can also be adjusted on its

horizontal plane as well. To adjust your

base fascia

the instructions below.

grille (plinth strip/base fascia)

) has an automatic

) to match your surrounding furniture, follow

rail with

grille (plinth strip/

3. Gently pull grille (plinth strip/base fascia) away from

unit until it stops.

4. Push grille (plinth strip/base fascia) rails towards the

center of the unit to lift rails off lock screws.

5. Pull grille (plinth strip/base fascia) free from unit.

1. Loosen, but do not remove, the lock screws on the

inside of the

screws are located on the inside of each

strip/base fascia)

2. The grille (plinth strip/base fascia) can be extended

horizontally by pulling out a maximum of 1-1/2"

(38 mm). Do not exceed 1-1/2" (38 mm). Secure the

lock screws after adjusting.

3. The grille (plinth strip/base fascia) skirt may be

manually adjusted to the height of your floor. Simply

raise or lower the skirt as needed.

grille (plinth strip/base fascia)

rail.

Grille - Plinth Installation 1

rails. Lock

grille (plinth

USER GUIDE

Wall

Wall

90°

Door Swing

90°

Door Swing

Space Required

For any Knobs or Pulls

2-1/4" MIN
(57 mm MIN)

Integrated

Stainless

1/4" (6 mm)

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Door Swing

For Integrated models that are installed adjacent to a wall,

1/4" (6 mm) clearance is recommended from wall on

hinge side to allow the door to open 90°. Allow for

additional space for any knobs or pulls installed on the

integrated panel/frame.

Stainless Steel models that are installed adjacent to a wall

require 2-1/4" (57 mm) door clearance on hinge side to

allow for door handle.

Units have a zero clearance when installed adjacent to

cabinets.

Door Swing 1

USER GUIDE

NOTICE

NOTICE

1

3

2

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Door Stop

Your U-Line unit was shipped to you with the optional 90°

pin.

Your unit’s door(s) will open 115° straight from the

factory. If you would like the door stop at 90° follow these

instructions.

If your unit is already undercounter, it will need

to be moved out to access the hinge. With the

90° stop pin in place, you will not be able to

replace the hinge cover.

1. Open door approximately 90°.

3. Once cover is removed, slide hinge pin into hole as

shown. Pin should slide into place, stopping the door at

90°; if the pin does not go into the hole shown, hold

the door less than 90° open and try again.

4. To fully seat the pin, tap it lightly with a hammer.

2. Remove hinge cover by lifting top and bottom of hinge

cover and sliding the cover inwards to remove from

hinge.

5. Carefully slide your unit back in place.

The pin can be removed to return the door swing

back to its original 115° swing by tapping the pin

out from the bottom of the hinge.

CLOSER

The door hinge has a self-closing feature that engages

when the door is open approximately 6" (150 mm) (about

25°).

Door Stop 1

USER GUIDE

NOTICE

Wrap Screws

Cable Arm

Step 1

Step 2

Door Top

Door Bottom

Press Tab Down

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Door Adjustments

DOOR ALIGNMENT AND ADJUSTMENT

Align and adjust the door if it is not level or is not sealing

properly. If the door is not sealed, the unit may not cool

properly, or excessive frost or condensation may form in

the interior.

Properly aligned, the door’s gasket should be

firmly in contact with the cabinet all the way

around the door (no gaps). Carefully examine

the door’s gasket to ensure that it is firmly in

contact with the cabinet. Also make sure the

door gasket is not pinched on the hinge side of

the door.

4. The wrap hinges on top of the door. Carefully pull wrap

away and then up. See below.

CAUTION

!

Do not attempt to use the door to raise or pivot

your unit. This would put excessive stress on the

hinge system.

Stainless Models (Removing Wrap)

1. Open door completely.

2. Remove the two wrap screws from the bottom of the

stainless steel door wrap.

5. If door being adjusted houses

the display unit, remove cable

from display by pressing in the

release tab on the cable

connector.

3. Gently pull bottom of wrap away from door.

Door Adjustments 1

USER GUIDE

T-25 Torx Screw

T-25 Torx Screw

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Alignment and Adjustment Procedure

1. Using a T-25 Torx Bit, loosen each pair of Torx head

screws on both the upper and lower hinge plates.

2. Square and align door as necessary.

3. Tighten Torx head screws on hinge.

4. If necessary, re-connect display and re-install stainless

steel wrap.

Door Adjustments 2

USER GUIDE

NOTICE

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First Use

All U-Line controls are preset at the factory. Initial startup

requires no adjustments.

U-Line recommends allowing the unit to run

overnight before loading with product.

When plugged in, the unit will begin operating under the

factory default setting. Follow the on screen prompt for

language selection and temperature units.

To turn the unit off, press and hold for 5 seconds and

release. The display will show a countdown to switching the

unit off.

To power your unit on, simply press and the unit will

immediately switch on.

First Use 1

USER GUIDE

Down

Can be displayed in Celsius

Power

Root

5O°F

Select

or

or

or

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Control Operation

Up

Zone Toggle

U-Select Lighting

CONTROL FUNCTION GUIDE

FUNCTION COMMAND DISPLAY/OPTIONS

OFF Press and hold Display will count down from 5 to off.

ON Press and release Unit will come on immediately.

Select mode

Adjust temp

Adjust lighting Press to adjust lighting Press to set low, medium or high.

Press and release to scroll through

the modes

Press to select mode. Press

to set temperature

Press to select one of 5 modes (see table

below).

Press to confirm temperature or wait 5 seconds.

Light ON/OFF with door Press to have light on/off with door

Customer menu Press and hold for 5 seconds Press to scroll through menu.

Mode Set Point

°F (°C)

Deli 36 (2) 34 - 40 (1 - 4)

Beverage/Drinks 38 (3) 34 - 65 (1 - 18)

Market/Fresh 38 (3) 34 - 40 (1 - 4)

Root 50 (10) 45 - 55 (7 - 12)

Pantry 42 (5) 34 - 70 (1 - 21)

Temperature Range
°F (°C)

Press and release to scroll through timer

settings.

Control Operation 1

USER GUIDE

Up

Down

Can be displayed in Celsius

Power

Root
5O°F

U-Select Lighting

Zone Toggle

Select

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U-SELECT® CONTROL

Digital Display

The 3000 Series units are controlled by a feature rich,

advanced OLED display control unit. The control panel

allows adjustment to temperature set point, access to

Energy Saver Mode, internal temperature readings, and

many other features.

ADJUSTING TEMPERATURE SETTINGS

Each zone has a series of Mode Settings with a default

value for each setting. Each Mode Setting can be further

customized by fine tuning the temperature set point. See

the chart below for a description of each mode and mode

temperature ranges. Mode selection will vary by model.

Food Storage Chart

Mode Food Types

Deli Meats, Fish, Cheeses, Dairy, Butter, Garlic,

Market/Fresh Fruits, Vegetables, Berries, Lettuce

Pantry Dry Goods, Breads, Baking Items, Spices,

Root Root Vegetables, Potatoes, Onions, Lemon,

Oils, Nuts, Condiments

Seasonings

Lime, Melon, Peppers, Beans, Cucumber, Cut
Vegetables

QUICK CHILL

CAUTION

!

Quick chill is designed to quickly pull warm

beverages and foods down to optimum storage

temperature. It is important to only initiate

quick chill modes when the Refrigerator or Wine

Captain

®

have been fully loaded with warm

product. Failure to follow this notice could result

in food or beverages that are cooled to a point

below optimum or frozen.

Mode Settings Chart

Setting Default °F (°C) Range °F (°C)

Deli 36 (2) 34 - 40 (1 - 4)

Beverage/Drinks 38 (3) 34 - 65 (1 - 18)

Market/Fresh 38 (3) 34 - 40 (1 - 4)

Root 50 (10) 45 - 55 (7 - 12)

Pantry 42 (5) 34 - 70 (1 - 21)

Many food types have an optimum storage temperature.

Storing your food properly will help maintain its freshness

and flavor. The Food Storage Chart contains food types

and their respective optimum storage temperatures.

The following chart lists modes which include the quick

chill feature and the time which quick chill will run.

Mode Run Time

Deli 5 Hours

Beverage/Drinks 4 Hours

Market/Fresh 4 Hours

Root 1 Hour

Pantry 4 Hours

To initiate quick chill:

1. Press to select the desired mode setting.

2. Press until the temperature set point reads “Quick”.

The quick chill feature will then begin for the period of

time dictated by the mode type. To cancel quick chill,

simply select a set point other then “quick”.

Control Operation 2

USER GUIDE

Up

Select

Down

U-Select Lighting

Power

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Interior Lighting

Your U-Line 3000 Series unit uses a state of the art LED

lighting system. The 3036 model dual zone’s lighting can

be independently controlled or set as a group.

1. To begin, press to enter the lighting menu.

2. Press or to cycle through each available

brightness setting (Low, Medium or High).

3. Press to cycle through each available timer setting.

Selections include “On With Door”, “On 3 Hours”, “On 6

Hours”, or “On 24 Hours”.

4. To exit, press or simply wait for the menu to time

out.

Error Notification

The 3000 model series continuously monitors a series of

inputs and parameters to ensure proper and efficient

operation of your unit. Should the system detect a fault,

an error notification will be displayed on the user

interface. See below for a list of errors.

NOTE: Singe zone models will not use (L) left or (R) right

zone indicators in error notification.

ID Description Solution

No Comm Unit lost

(L) (R) Zone T
Open

Amb Thrm Open Ambient thermistor

(L) (R) Zone T
Short

Amb Thrm Short Ambient thermistor

(L) (R) Temp Hi
6H+

(L) (R) Temp Hi
12H+

(L) (R) Temp Lo
6H+

(L) (R) Temp Lo
12H+

(L) (R) Door
Open 5M

communication to
the display.

Left or right zone
thermistor circuit
open.

circuit open.

Left or right zone
thermistor circuit
shorted.

circuit shorted.

Left or right zone
temperature +10°
over set point for
over 6 hours.

Left or right zone
temperature +10°
over set point for
over 12 hours.

Left or right zone
temperature

-10° under set point
for over 6 hours.

Left or right zone
temperature

-10° under set point
for over 12 hours.

Left or right door
switch open for
more then 5
minutes.

Disconnect and
reconnect power to
unit. Contact Customer
Care if persistent.

Contact Customer
Care.

Contact Customer
Care.

Contact Customer
Care.

Contact Customer
Care.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Control Operation 3

USER GUIDE

Up

Select

Down

WELCOME TO THE
CUSTOMER MENU. USE
UP/DOWN ARROWS TO

SCROLL SETTINGS.

Up

Select

Down

RETURN TO MENU

ACTUAL TEMPS
BIN TEMP = 1.6

COND TEMP = 45.5

Can be displayed in Celsius

Up

Select

Down

Energy Saver Mode

Indicator

ICE PRODUCTION

(12m remaining)

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CUSTOMER MENU

The 3000 Series of U-Line undercounter refrigeration

appliances contains a feature rich customer menu. The

Customer Menu allows access to a series of advanced

features including Energy Saver Mode, Sabbath Mode,

actual temperature readings as well a method to restore

factory defaults.

3000 Series - Customer Menu

1. To access the Customer Menu hold for 5 seconds.

2. Press or to scroll through available selections.

2. Press or to scroll through available information.

3. To return to the Customer Menu, press .

Energy Saver Mode

Energy Saver Mode reduces overall energy consumption

by altering user set point, differential, lighting and tone

settings. When in Energy Saver Mode a small leaf icon will

be displayed on the main screen.

1. To enter Energy Saver Mode, first select Energy Saver

from the Customer Menu.

3. Press to enter selected sub-menu.

4. To exit Customer Menu, press to scroll to the

bottom of the display and press to select “Exit”.

Actual Temps

The Actual Temps option displays the actual temperature

of each zone and evaporator, as well as ambient

temperature.

1. To view actual temperature, select “Actual Temps”

from the Customer Menu.

2. Press to select “Off” in the menu.

3. Press .

4. Press or to change the selection from Off to On.

5. Press to confirm your selection.

6. To return to the Customer Menu, press and select

“Return to Menu”.

7. To cancel Energy Saver Mode simply return to the

Customer Menu, select Energy Saver and change “On”

to “Off”.

Control Operation 4

USER GUIDE

Up

Select

Down

RETURN TO MENU

LANGUAGES

ENGLISH

Up

Select

Down

RETURN TO MENU

SOUND LEVEL

HIGH

Up

Select

Down

RETURN TO MENU

FARENHEIT/CELSIUS

DEGREES = °F

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Languages

The U-Line 3000 Series of models supports a number of

display languages including English, Spanish, French and

German.

1. To change display language select Languages from the

Customer Menu.

2. Press to select “English”.

3. Press . “English” will begin to flash.

4. Press or to cycle through the available

languages.

2. Press . The current setting will begin to flash.

3. Press or to select a different level.

4. Press to confirm your choice.

Fahrenheit/Celsius

Temperature and set point information can be displayed in

either Fahrenheit or Celsius.

To change from Fahrenheit to Celsius enter the

Fahrenheit / Celsius Menu from within the Customer

Menu.

5.

Press to confirm your choice.

Sound Level

Audible alarms and alert tones support four different

Sound Level settings, High, Medium, Low, and Off.

To select a new sound level, enter the Sound Level Menu

from the Customer Menu.

1. Press

to select the current sound level.

1. Press to select “Degrees”.

2. Press . The selection will begin to flash.

3. Press or to select between °F (Fahrenheit) or °C

(Celsius).

4. Press to confirm your choice.

Control Operation 5

USER GUIDE

Up

Select

Down

RETURN TO MENU
FACTORY DEFAULT

RESTORE?

Up

Select

Down

RETURN TO MENU

Help

Model 3045WC

1-800-779-2547

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Factory Default

Factory Default will restore all settings to their factory

default.

To access Factory Default:

1. Press to select “Factory Default”.

2. Press .

To restore settings to their factory default:

3. Press to select “Restore?” and press .

Help

To access the Help Menu, select “Help” from the Customer

Menu. Press or to scroll through available

information. The Help screen displays the following:

•Model.

• U-Line contact information.

• Software version.

• Serial Number.

To exit the Help menu, press to select “Return to

Menu” and press to confirm.

4. “Restore?” will change to “Restoring...” while settings

are restored. When restoration is complete,

“Restoring...” will return to “Restore?”.

To exit Factory Default, press to select “Return to

Menu” and press to confirm.

Control Operation 6

USER GUIDE

Up

Select

Down

RETURN TO MENU

SABBATH MODE

OFF?

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L



Sabbath Mode

This unit offers a Sabbath mode for users who require this

functionality during Sabbaths. Sabbath mode disables

system responses to user initiated activities and all

external functions, including lighting, display and audible

alarms. The unit will still maintain internal temperatures

and set points.

To enable Sabbath Mode:

7. Press or to change “Off” to “On”.

8. Press to confirm your selection.

The Display will fade out as the unit enters Sabbath Mode.

Sabbath

Mode remains active until is quickly pressed and

released.

1. Open the unit’s door to activate the display.

2. To access the Customer Menu, hold for 5 seconds.

3. Press or to scroll through available selections.

4. Select Sabbath Mode from the Customer Menu by

pressing .

5. Press to select “Off”.

6. Press . “Off” will begin to flash.

Sabbath Mode 1

USER GUIDE

NOTICE

Door Removed For Illustration Purposes

Internal Air Flow And Unit Ventilation Diagram

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Airflow and Product Loading

The unit requires proper airflow to perform at its

highest efficiency. Do not block the front grille,

internal fans or vents at any time, or the unit will

not perform as expected. When loading your

unit, leave space between the internal fans or

vents and product loaded. Anything blocking the

required airflow/circulation will result in uneven

temperature distribution in the cabinet and can

also freeze product. Do not install the unit

behind a door.

When properly loaded, your U-Line unit will store up to

123 (12 oz. [330 ml]) cans or 79 (12 oz. [330 ml]) bottles.

For optimal airflow, leave approximately two inches of

space around the fan and one inch around the back wall

and lower vents.

Airflow and Product Loading 1

USER GUIDE

NOTICE

Clip
Holes

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Interior Shelves

REMOVING AND INSTALLING GLASS SHELVES

Adjusting Interior Shelves

Models equipped with glass shelves have an adjustable

mounting system. To adjust or simply remove shelves for

cleaning, follow the instructions below.

1. Remove all product from shelf.

2. Coming from underneath the shelf, lift both the front

and rear of the glass.

3. Carefully slide shelf out of unit being careful not to

scratch the interior liner.

4. Installation is the reverse of removal.

Adjusting Shelf Height

CAUTION

!

Clips MUST be installed with the ribbed side

down. Failure to do so may result in shelf or unit

damage.

All 4 shelf clips for each shelf must be installed

at the same height for shelf stability.

4. Reinstall shelf.

Cleaning Shelves

Shelves may be cleaned in a soapy warm water solution.

A general household disinfectant may be used if

necessary. Be sure to completely dry your shelf before

reinstalling.

Shelf height may be adjusted to accommodate a broad

range of product. To alter your shelf spacing follow the

instructions below.

1. Remove the 4 Shelf clips from the shelf clip holes.

2. Move shelf clips as a group to the desired shelf height.

3. Insert shelf clips into the holes of the desired shelf

height. Be certain shelf clip is fully seated into shelf clip

hole.

Interior Shelves 1

USER GUIDE

NOTICE

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Refrigerator Bins - Crisper

REFRIGERATOR BIN INSTALLATION & REMOVAL

Refrigerator bins are easily removed for cleaning and

sanitizing. To remove your bin follow the instructions

below.

1. Fully extend the bin you wish to remove from the

cabinet.

Cleaning

Bins may be cleaned in a soapy warm water solution. A

general household disinfectant, safe for plastics, may be

used if necessary. Be sure to completely dry your bin

before reinstalling.

Bins are NOT dishwasher safe.

2. Lift the front lip of the bin and raise the bin off the

racks.

3. Lift the rear of the bin off its seat on the rack.

4. Pull the bin up and away from the racks.

To Reinstall

5. Fully extend the empty rack from within the cabinet.

6. Set the rear of the bin over the rear of the slide.

7. Seat the front of the bin down and onto the slide rack.

8. Push the bin back into the cabinet.

Refrigerator Bins - Crisper 1

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Cleaning

EXTERIOR CLEANING

Stainless Models

Stainless door panels and handles can discolor when

exposed to chlorine gas, pool chemicals, saltwater or

cleaners with bleach.

Keep your stainless unit looking new by cleaning with a

good quality all-in-one stainless steel cleaner and polish

monthly. For best results use Claire

Polish and Cleaner, which can be purchased from U-Line

Corporation (Part Number 173348). Comparable products

are acceptable. Frequent cleaning will remove surface

contamination that could lead to rust. Some installations

may require cleaning weekly.

Do not clean with steel wool pads.

Do not use stainless steel cleaners or polishes on
any glass surfaces.

Clean any glass surfaces with a non-chlorine glass

cleaner.

®

Stainless Steel

Integrated Models

To clean integrated panels, use household cleaner per the

cabinet manufacturer’s recommendation.

INTERIOR CLEANING

Disconnect power to the unit.

Clean the interior and all removed components using a

mild nonabrasive detergent and warm water solution

applied with a soft sponge or non-abrasive cloth.

Rinse the interior using a soft sponge and clean water.

Do not use any solvent-based or abrasive

cleaners. These types of cleaners may transfer taste to

the interior products and damage or discolor the lining.

DEFROSTING

Under normal conditions this unit does not require manual

defrosting. Minor frost on the rear wall or visible through

the evaporator plate vents is normal and will melt during

each off cycle.

Do not use cleaners not specifically intended for
stainless steel on stainless steel surfaces (this
includes glass, tile and counter cleaners).

If any surface discoloring or rusting appears, clean it

quickly with Bon-Ami

and a nonabrasive cloth. Always clean with the grain.

Always finish with Claire® Stainless Steel Polish and

Cleaner or comparable product to prevent further

problems.

Using abrasive pads such as Scotchbrite™ will
cause the graining in the stainless steel to
become blurred.

Rust not cleaned up promptly can penetrate the
surface of the stainless steel and complete
removal of the rust may not be possible.

®

or Barkeepers Friend Cleanser®

If there is excessive build-up of 1/4" (6 mm) or more,

manually defrost the unit.

Ensure the door is closing and sealing properly.

High ambient temperature and excessive humidity can

also produce frost.

CAUTION

!

DO NOT use an ice pick or other sharp

instrument to help speed up defrosting. These

instruments can puncture the inner lining or

damage the cooling unit. DO NOT use any type of

heater to defrost. Using a heater to speed up

defrosting can cause personal injury and

damage to the inner lining.

Cleaning 1

USER GUIDE

NOTICE

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The drain pan was not designed to capture the

water created when manually defrosting. To

prevent water from overflowing the drain pan

and possibly damaging water sensitive flooring,

the unit must be removed from cabinetry.

To defrost:

1. Disconnect power to the unit.

2. Remove all products from the interior.

3. Prop the door in an open position (2 in. [50 mm]

minimum).

4. Allow the frost to melt naturally.

5. After the frost melts completely clean the interior and

all removed components. (See INTERIOR CLEANING).

6. When the interior is dry, reconnect power and turn unit

on.

Cleaning 2

USER GUIDE

NOTICE

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Cleaning Condenser

INTERVAL - EVERY SIX MONTHS

To maintain operational efficiency, keep the front grille

(plinth strip/base fascia) free of dust and lint, and clean

the condenser when necessary. Depending on

environmental conditions, more or less frequent cleaning

may be necessary.

WARNING

!

Disconnect electric current to the unit before

cleaning the condenser.

DO NOT use any type of cleaner on the

condenser unit. Condenser may be cleaned using

a vacuum, soft brush or compressed air.

1. Remove the grille (plinth strip/base fascia). (See

GRILLE-PLINTH INSTALLATION).

2. Clean the condenser coil using a soft brush or vacuum

cleaner.

3. Install the grille (plinth strip/base fascia).

Cleaning Condenser 1

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Extended Non-Use

VACATION/HOLIDAY, PROLONGED SHUTDOWN

The following steps are recommended for periods of

extended non-use:

1. Remove all consumable content from the unit.

2. Disconnect the power cord from its outlet/socket and

leave it disconnected until the unit is returned to

service.

3. If ice is on the evaporator, allow ice to thaw naturally.

4. Clean and dry the interior of the unit. Ensure all water

has been removed from the unit.

5. The door must remain open to prevent formation of

mold and mildew. Open door a minimum of 2"

(50 mm) to provide the necessary ventilation.

WINTERIZATION

If the unit will be exposed to temperatures of 40°F (5°C)

or less, the steps above must be followed.

For questions regarding winterization, please

call U-Line at +1.800.779.2547.

CAUTION

!

Damage caused by freezing temperatures is not

covered by the warranty.

Extended Non-Use 1

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Troubleshooting

BEFORE CALLING FOR SERVICE

If you think your U-Line product is malfunctioning, read

the CONTROL OPERATION section to clearly understand

the function of the control.

If the problem persists, read the NORMAL OPERATING

SOUNDS and TROUBLESHOOTING GUIDE sections below

to help you quickly identify common problems and

possible causes and remedies. Most often, this will resolve

the problem without the need to call for service.

IF SERVICE IS REQUIRED

If you do not understand a troubleshooting remedy, or

your product needs service, contact U-Line Corporation

directly at +1.800.779.2547.

When you call, you will need your product Model and

Serial Numbers. This information appears on the Model

and Serial number plate located on the interior of your

product or can be accessed through “Help” in the

Customer Menu.

• Compressor: The compressor makes a hum or pulsing

sound that may be heard when it operates.

• Evaporator: Refrigerant flowing through an evaporator

may sound like boiling liquid.

• Condenser Fan: Air moving through a condenser may

be heard.

• Automatic Defrost Drain Pan: Water may be heard

dripping or running into the drain pan when the unit is

in the defrost cycle.

• Solenoid Valves: An occasional clicking sound may be

heard as solenoid valves are operated.

TROUBLESHOOTING GUIDE

DANGER

!

ELECTROCUTION HAZARD. Never attempt to

repair or perform maintenance on the unit

before disconnecting the main electrical power.

NORMAL OPERATING SOUNDS

All models incorporate rigid foam insulated cabinets to

provide high thermal efficiency and maximum sound

reduction for its internal working components. Despite this

technology, your model may make sounds that are

unfamiliar.

Normal operating sounds may be more noticeable because

of the unit’s environment. Hard surfaces such as cabinets,

wood, vinyl or tiled floors and paneled walls have a

tendency to reflect normal appliance operating noises.

Listed below are common refrigeration components with a

brief description of the normal operating sounds they

make. NOTE: Your product may not contain all the

components listed.

Troubleshooting - What to check when problems occur:

Problem Possible Cause and Remedy

Digital Display
and Light Do Not
Work.

Interior Light
Does Not
Illuminate.

Light Remains on
When Door Is
Closed.

Unit Develops
Frost on Internal
Surfaces.

Unit Develops
Condensation on
External
Surfaces.

Ensure power is connected to the unit.
If the unit is cooling, it may be in Sabbath

mode.

If the unit is cooling, it may be in Sabbath
mode or manually set to off.

Lighting may be set to on; reset to with
door.

Frost on the rear wall is normal and will melt
during each off cycle.

If there is excessive build-up of 1/4" or
more, manually defrost the unit.

Ensure the door is closing and sealing
properly.

High ambient temperature and excessive
humidity can also produce frost.

The unit is exposed to excessive humidity.
Moisture will dissipate as humidity levels
decrease.

Troubleshooting 1

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Problem Possible Cause and Remedy

Digital Display
Functions, But
Unit Does Not
Cool.

Digital Display
Shows an Error.

Product Is
Freezing.

Product Is Not
Cold Enough.

Ensure the unit is not in “Showroom Mode.”
Momentarily unplug or interrupt power
supply to the unit.

“Door” indicates the door may be opened
too long. Ensure the door is closing
properly. For other error codes contact
U-Line Customer Service.

Because product in contact with the rear wall
may freeze, ensure no product is touching
the rear wall.

Adjust the temperature to a warmer set
point.

Air temperature does not indicate product
temperature.

Adjust the temperature to a cooler set point.
Ensure unit is not located in excessive

ambient temperatures or in direct sunlight.
Ensure the door is closing and sealing

properly.
Ensure nothing is blocking the front grille,

found at the bottom of the unit.
Ensure the condenser coil is clean and free

of any dirt or lint build-up.

ERROR NOTIFICATION

The 3000 model series continuously monitors a series of

inputs and parameters to ensure proper and efficient

operation of your unit. Should the system detect a fault, an

error notification will be displayed on the user interface.

See below for a list of errors.

ID Description Solution

(L) (R) Temp Hi
6H+

(L) (R) Temp Hi
12H+

(L) (R) Temp Lo
6H+

(L) (R) Temp Lo
12H+

(L) (R) Door
Open 5M

Left or right zone
temperature +10°
over set point for
over 6 hours.

Left or right zone
temperature +10°
over set point for
over 12 hours.

Left or right zone
temperature -10°
under set point for
over 6 hours.

Left or right zone
temperature -10°
under set point for
over 12 hours.

Left or right door
switch open for
more then 5
minutes.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

Verify door is closed
and sealing. Contact
Customer Care if
persistent.

CHECKING PRODUCT TEMPERATURE

NOTE: Single zone models will not use (L) left or (R) right

zone indicators in error notification.

ID Description Solution

No Comm Unit lost

(L) (R) Zone T
Open

Amb Thrm Open Ambient thermistor

(L) (R) Zone T
Short

Amb Thrm Short Ambient thermistor

communication to
the display.

Left or right zone
thermistor circuit
open.

circuit open.

Left or right zone
thermistor circuit
shorted.

circuit shorted.

Disconnect and
reconnect power to
unit. Contact Customer
Care if persistent.

Contact Customer
Care.

Contact Customer
Care.

Contact Customer
Care.

Contact Customer
Care.

To check the actual product temperature in the
unit:

1. Partially fill a plastic (nonbreakable) bottle with water.

2. Insert an accurate thermometer.

3. Tighten the bottle cap securely.

4. Place the bottle in the desired area for 24 hours.

5. Avoid opening the unit during the testing period.

Troubleshooting 2

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6. After 24 hours, check the temperature of the water. If

required, adjust the temperature control in a small

increment (see CONTROL OPERATION).

Causes which affect the internal temperatures of
the cabinet include:

• Temperature setting.

• Ambient temperature where installed.

• Installation in direct sunlight or near a heat source.

• The number of door openings and the time the door is

open.

• The time the internal light is illuminated. (This mainly

affects product on the top rack or shelf.)

• Obstruction of front grille or condenser.

Troubleshooting 3

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Warranty

U-LINE CORPORATION LIMITED WARRANTY

1. U-Line Corporation (“U-Line”) warrants each U-Line

product to be free from defects in materials and

workmanship for a period of one year (two years on

Modular 3000 Series) from the date of purchase.

U-Line further warrants the sealed system (consisting

of the compressor, condenser, evaporator, hot gas

bypass valve, dryer, and connecting tube) in each

U-Line product to be free from defects in materials and

workmanship for a period of five years from the date of

purchase.

2. During the initial one year warranty period (two years

on Modular 3000 Series) for all U-Line products U-Line

shall: (1) repair any product or replace any part of a

product; and (2) for all Marine, RV, and Domestic

U-Line products sold and serviced in the United States

(including Alaska and Hawaii) and Canada, U-Line

shall be responsible for the labor costs performed by a

U-Line authorized service company, incurred in

connection with the replacement of any defective part.

During years two through five of the warranty period

for the sealed system, U-Line shall: (1) at U-Line’s

option repair or replace any part of the sealed system;

and (2) for all Marine, RV, and Domestic U-Line

products sold and serviced in the United States

(including Alaska and Hawaii) and Canada, U-Line shall

be responsible for the labor costs incurred in

connection with the replacement of any defective part

of the sealed system. All other charges, including

transportation charges for replacements under this

warranty and labor costs not specifically covered by

this warranty, shall be the responsibility of the

purchaser. This warranty extends only to the original

purchaser of the U-Line product. The Product

Registration Card included with the product should be

promptly completed by you and mailed back to U-Line,

or you can register on-line at www.u-lineservice.com.

3. The warranty listed above does not apply to floor

display models. The warranty for these models shall

be 30 days from the date of retail purchase and only if

U-Line’s Product Registration Card included with the

unit is completed and mailed back or electronically

submitted to U-Line. This 30 day warranty does not

apply to cosmetic damages. A proof of purchase may

be required.

4. The following conditions are excluded from this limited

warranty: use of cleaners other than the recommended

stainless steel cleaners and U-Line Clear Ice Maker

cleaner; installation charges; damages caused by

disasters or acts of God, such as fire, floods, wind, and

lightning; damages incurred or resulting from shipping,

improper installation, unauthorized modification, or

misuse/abuse of the product; customer education

calls; food loss and spoilage; door and water level

adjustments (except during the first 30 days from the

date of installation); defrosting the product; adjusting

the controls; door reversal; and cleaning the

condenser.

5. U-Line products are designed to operate in ambient

temperatures between 50°F and 100°F unless

otherwise noted in the product manual. Exposure to

temperatures outside this range may cause

degradation of performance and issues, such as lower

ice production or spoiled contents, that are not

covered under the terms of this warranty as a result of

that exposure. U-Line product may not be subjected to

temperatures below 40°F without following the

winterization and vacation shutdown procedures in the

user guide.

6. U-Line’s Outdoor Limited Warranty, set forth in this

Paragraph 6 shall apply to U-Line models deemed

suitable for outdoor use by Underwriters Laboratory

(“UL”) as noted in the U-Line Product Catalog, U-Line’s

website, and/or on the serial tag located inside the

product.

A. Outdoor product may come into contact with rain by

virtue of outdoor use. Exposure to other sources of

water shall also cause this warranty to be void,

including flooding of the area in proximity of the unit

greater than 1/8" deep in water, hurricanes, splashing

Warranty 1

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of pool water, or directing a spray from a hose or

similar device into and around the unit.

7. If a product defect is discovered during the applicable

warranty period, you must promptly notify either

U-Line at 8900 N. 55th Street, Milwaukee, Wisconsin

53223 USA or at +1.800.779.2547 or the dealer from

whom you purchased the product. In no event shall

such notification be received later than 30 days after

the expiration of the applicable warranty period. U-Line

may require that defective parts be returned, at your

expense, to U-Line’s factory in Milwaukee, Wisconsin,

for inspection. Any action by you for breach of

warranty must be commenced within one year after

the applicable warranty period.

8. THIS LIMITED WARRANTY IS IN LIEU OF ANY AND ALL

OTHER WARRANTIES, EXPRESS OR IMPLIED,

INCLUDING ANY IMPLIED WARRANTY OF

MERCHANTABILITY OR IMPLIED WARRANTY OF

FITNESS FOR A PARTICULAR PURPOSE, ALL OF WHICH

ARE DISCLAIMED. U-Line’s sole liability, and your

exclusive remedy, under this warranty is set forth in

the paragraphs above. U-Line shall have no liability

whatsoever for any incidental, consequential, or

special damages arising from the sale, use, or

installation of the product or from any other cause

whatsoever, whether based on warranty (express or

implied) or otherwise based on contract, tort, or any

other theory of liability.

Some states do not allow limitations on how long an

implied warranty lasts or the exclusion or limitation of

incidental or consequential damages, so the above

limitations may not apply to you. This warranty gives you

specific legal rights, and you may also have other rights

which vary from state to state.

Warranty 6/2014 Rev.G

Warranty 2

USER GUIDE

42282_F WIRING DIAGRAM

GROUND:

GREEN or GREEN W/ YELLOW

HOT:

BLACK (115v)

BROWN (220-240v)

NEUTRAL:

BLUE (115 V)

LIGHT BLUE (220-240V)

(TO COMPRESSOR)

1

10

CONTROL

BOARD

ZONE TEMP

FUSE

TO

DISPLAY

115

VOLT

PLUG

220-240 VOLT

PLUG

16

8

9

1

NEUTRAL:

WHITE (115v)

DARK BLUE (220-240v)

(TO COMPRESSOR)

6

1

10

5

TO

USB

ZONE EVAP

DOOR SWITCH

AMBIENT TEMP

TEST TERMINAL

LIGHT

EVAP FAN

CONDENSER FAN

GROUND:

WHITE (115v)

DARK BLUE (220-240v)

GREEN or

GREEN W/ YELLOW

ON DOOR

PROGRAMING

NEUTRAL

HOT

RELAY

EMBRACO

COMPRESSOR

GREEN or

GREEN W/ YELLOW

GROUND:

OVERLOAD

CAP

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Wire Diagram

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Wire Diagram 1

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Product Liability

Important Note: Service or repairs must not be performed

on any unit suspected to be involved in a property

damage situation. If a unit has been altered or repaired in

the field prior to U-Line’s evaluation, any claim for

damage may be declined.

Field service technicians are authorized to make an initial

assessment. If in the service technician’s judgment the

damage is the result of a product defect, the product

would be removed and returned to U-Line in an unaltered

condition. The dealer would then be authorized to

permanently replace the end-user’s product at no cost to

the end-user. Please call U-Line immediately at

+1.800.779.2547 to initiate the Return Authorization and

product exchange process.

If the service technician determines the damage is the

result of installation issues (water connection/drain, etc.),

the consumer would be notified and the correction could

be made by the servicer or installer without requiring

removal of the product. In this case, the claim for

damages should be directed to the original installer.

• A Return Authorization Number reference (provided by

U-Line) and customer name when submitting

information.

For shipping:

• Use an OEM shipping carton (U-Line will provide if

needed or packaging can be reused from the

replacement unit) and clearly mark the Return

Authorization Number on the carton before returning

the product.

• When the unit is ready for pickup, contact U-Line at

+1.800.779.2547 and U-Line will make arrangements

for a freight collect shipment.

Upon return to U-Line, the product will be evaluated within

ten business days. No service company is authorized to

make these evaluations in place of U-Line.

U-Line Customer Care staff will review the engineering

evaluation and notify the customer of a valid claim or

provide denial details.

On U-Line Clear Ice product equipped with a drain pump,

the drain pump must be returned along with the unit,

regardless of the drain pump manufacturer.

To complete the damage claim process for the customer,

please forward the following to U-Line via fax

(+1.414.354.5696), email ([e-mail]),

or mail:

• Pictures of the damage, U-Line product, property

damage and installation (supply and drain connections,

if applicable).

• A brief description of the damages and product service

history (if possible).

• Damage estimates.

8900 N. 55th Street • Milwaukee, WI 53223

T: +1.414.354.0300 • F: +1.414.354.354.5696

Website: www.u-line.com

Right product. Right place.

Right temperature Since 1962.

Product Liability 1

USER GUIDE

14 30911- 1 2- XXXX

Year

Month

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Warranty Claims

The following information defines the parameters for filing

a warranty claim:

• Valid serial number needed

• Valid model number needed

• Narda (or equivalent) form or submitted online at

www.u-line.com

• 60 day submittal deadline from date of completed

service

• Only one repair or unit per warranty claim

• Refrigerant should be labeled and included on the labor

submittal

warranty status. We also accept the following

information to verify warranty status:

• New Construction Occupancy Documents

•Closing Paperwork

• Final Billing – Remodel

Noting all of the following on the warranty claim will be

considered proof of purchase, hard copy will not be

required:

• Name of the selling Dealer

• Date of purchase/installation

• Order or Invoice number (if available)

• Door and water level adjustments are covered 30 days

from install date.

Serial Number Requirements:

A typical serial number is shown above. The first two

digits of the first segment, 14, represents the production

year. The number between the dashes, 12, represents the

production month. In most cases, warranty status can be

verified by the production date information within the

serial number.

• Description of document reviewed (i.e. store receipt,

closing paperwork, etc)

Parts and labor claims are paid separately. Indicate part

numbers and description for parts used in the warranty

repair. Include the purchase invoice and name of the parts

supplier used to procure the parts.

• Alternatively, a Proof of Purchase (or equivalent) may

submitted with the warranty claim to document

Warranty Claims 1

USER GUIDE

NOTICE

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Ordering Replacement Parts

Parts may be ordered on-line, by Fax or on the phone.

See our contact information below:

www.U-LineService.com (with service login)

FAX Number: +1.414.354.5696

Phone Number: +1.800.779.2547

Use only genuine U-Line replacement parts. The

use of non-U-Line parts can reduce speed of ice

production, cause water to overflow from ice

maker mold, damage the unit, and void the

warranty.

Warranty parts will be shipped at no charge after U-Line

confirms warranty status. Please provide the model, serial

number, part number and part description. Some parts

will require color or voltage information.

If U-Line requires the return of original parts, we will

inform you when the parts order is taken. This

requirement will be noted on your packing list. A prepaid

shipping label will be included with the replacement part.

Please enclose a copy of the parts packing list and any

labor claims with your return. Please be sure the model

and serial numbers are legible on the paperwork. Tag the

part with the reported defect.

When ordering a non-warranty part, you will need an open

account and tax exemption on file at U-Line. Another

option would be to visit www.u-line.com to locate an

authorized parts distributor in your area.

Ordering Replacement Parts 1

USER GUIDE

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System Diagnosis Guide

REFRIGERATION SYSTEM DIAGNOSIS GUIDE

System
Condition

Normal Normal Slightly below

Overcharge Higher than

Undercharge Lower than

Partial
Restriction

Complete
Restriction

No Gas 0 PSIG to 25" Room

Suction
Pressure

normal

normal

Somewhat
lower than
normal vacuum

In deep
vacuum

Suction
Line

room
temperature

Very cold may
frost heavily

Warm-near
room
temperature

Warm - near
room
temperature

Room
temperature
(cool)

temperature
(cool)

Compressor
Discharge

Very hot Very hot Warm Cold Normal

Slightly warm
to hot

Hot Warm Warm Extremely cold

Very hot Top passes

Room
temperature
(cool)

Cool to hot Room

Condenser Capillary

Hot to warm Cool Cold Higher than

warm - Lower
passes cool
(near room
temperature)
due to liquid

Room
temperature
(cool)

temperature
(cool)

Tube

Room
temperature
(cool) or
colder

Room
temperature
(cool)

Room
temperature
(cool)

Evaporator Wattage

normal

Lower than
near inlet -
Outlet below
room
temperature

Extremely cold
near inlet -
Outlet below
room
temperature
backing up

No refrigeration Lower than

No refrigeration Lower than

normal

Lower than

normal

normal

normal

System Diagnosis Guide 1

USER GUIDE

C

S

R

OVERLOAD PROTECTOR

STARTING RELAY

CAPACITOR

RELAY COVER

ULIN_0368_A

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Compressor Specifications

DANGER

!

Electrocution can cause death or serious injury.

Burns from hot or cold surfaces can cause

serious injury. Take precautions when servicing

this unit.

EMX20CLC

Disconnect the power source.

Do not stand in standing water when working

around electrical appliances.

Make sure the surfaces you touch are not hot or

frozen.

Do not touch a bare circuit board unless you are

wearing an anti-static wrist strap that is

grounded to an electrical ground or grounded

water pipe.

Refrigerant R600a

Voltage 115 - 127 VAC

Frequency 60 Hz

Run Cap 12μF/165 VAC

Start Winding 6.7 Ohm at 77°F

Run Winding 12.6 Ohm at 77°F

LRA 3.7 A

FLA 0.5 A

Starting Device 8EA14C

Overload 4TM142RFBYY-53

* All resistance readings are ±10%

Handle circuit boards carefully and avoid

touching components.

To measure the start winding resistance, measure across

the C and S pins.

To measure the run winding resistance, measure across

the C and R pins.

Also check S to R and you should get the sum of the run

and start windings.

To ensure the windings are not shorted, check the S and R

to ground.

Compressor Specifications 1

USER GUIDE

Check Voltage

At Wall Outlet

Verify Voltage

At Main Control

Voltage Input

Check Fuse F1

For Continuity

Open Door.

Is the UI Now

Functional?

Replace Main

Board

Replace Reed

Switch.

Replace

Fuse

Replace

Power Cord

Alert Customer

Of Power Failure

Is the Reed

Switch Operating

Properly?

Is the door open? The
Display will not activate
while the door is closed

Inspect Customer UI

and Data Cable

Connect Test Display

To J5.

Cycle Power And

Check For Operation

No Voltage

No Voltage

Voltage

Continuity

Operating

Not Operating

No Continuity

No

No

No

Yes

Yes

Yes

Voltage

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Troubleshooting - Extended

SPECIFIC ERRORS AND ISSUES

The technically advanced diagnostic capabilities of the

electronic controls utilized on the 3000 series units allows

for easy and thorough trouble shooting.

Navigation of the control is the key and is explained in the

CONTROL OPERATION section of the manual, along with

control button layout, control function descriptions, a

service mode menu and service menu selection

explanations.

Verification of temperature and thermistor performance

can be identified by directly viewing actual temperature

readings in the service mode.

Component failure issues can be identified through service

mode menu selection, “Relay Toggle” Individual

components can be switched on and off to check for both

proper function of a specific component and also delivery

of supply voltage to the components through the relays

and DC outputs located on the relay/power board.

MAIN CONTROL

The main control board is very robust and is rarely the

cause of system issues. It is important to fully diagnose

the board for any suspected failures before attempting to

remove the board for replacement or service. Follow the

guidelines below to fully test and diagnose the main

control.

Power Fault

If the unit does not (or seems to not) power on, follow the

flow chart below to help diagnose the issue. Before

beginning it is important to first verify the unit is not

simply set to sabbath mode.

Included in this section is some diagnostic tips and as

always, if additional help is required please contact the

U-Line Corp, “Customer Care Facility” at +1.800.779.2547

for assistance.

Troubleshooting - Extended 1

USER GUIDE

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Testing The Main Control

If the main control is suspected of being faulty, the

following procedure should be performed to verify main

control for functionality.

Relay & DC Outputs

One of the primary functions of the main control is to

operate the multiple relay and DC outputs during each

cycle. Verify proper operation of these relays using the

following procedure.

1. Enter “Relay Toggle” through the service menu.

Frequently toggling the compressor relay could

force the compressor into overload. The

compressor will automatically deactivate during

an overload and will remain deactivated until the

overload switch cools. This could take some

time. It is important to allow the compressor at

least 5 minutes off time between relay cycles.

Other Suspected Main Control Faults

If other components have been ruled out as being faulty

but the unit continues to have operating issues, it is most

likely due to a configuration error. Configuration errors

can be cleared by restoring the unit to its factory default

setting. Factory defaults may be restored through the

service menu.

CAUTION

!

Precautions must be taken while working with

live electrical equipment. Be sure to follow

proper safety procedures while performing tests

on live systems.

2. Toggle the relay. Its related component should

activate / deactivate with the switching of the relay.

Inputs

The main control monitors a number of thermistor inputs

and switch states during operation. It would be unlikely

that an error in reading an input would be at the board

level. Always attempt to replace the faulty switch or

thermistor input with a known working sample to verify

proper board operation.

Troubleshooting - Extended 2

USER GUIDE

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FAULT SYSTEM DIAGNOSIS GUIDE

Error Solution 1 Solution 2 Solution 3

No Comm Inspect Customer UI and Data

Zone T Open Inspect zone thermistor

Evap T Open Inspect evaporator thermistor

Amb Thrm Open Inspect ambient thermistor

Zone T Short Inspect thermistor cable for

Evap T Short Inspect thermistor cable for

Amb Thrm Short Inspect thermistor cable for

Temp Hi 6H+ If excessive frost is also noted,

Temp Hi 12H+ If excessive frost is also noted,

Temp Lo 6H+ Inspect main control for proper

Temp Lo 12H+ Inspect main control for proper

Door Open 5M Verify door closes properly. Inspect cable arm, verify presence

Cable (if defective replace entire
door)

connection. Replace if necessary.

connection. Replace if necessary.

connection. Replace if necessary.

pinch points or damage. Replace
if necessary.

pinch points or damage. Replace
if necessary.

pinch points or damage. Replace
if necessary.

inspect door and door gasket for
proper seal and alignment.

inspect door and door gasket for
proper seal and alignment.

relay operation.

relay operation.

Inspect main control wire harness
for splits or breaks. Repair split or
cut cabling.

Inspect main control wire harness
for splits or breaks. Repair split or
cut cabling.

Inspect main control wire harness
for splits or breaks. Repair split or
cut cabling.

Inspect wire harness from main
control board for pinch points or
damage. Repair split or pinched
cabling.

Inspect wire harness from main
control board for pinch points or
damage. Repair split or pinched
cabling.

Inspect wire harness from main
control board for pinch points or
damage. Repair split or pinched
cabling.

Inspect evaporator fan for proper
operation.

Inspect evaporator fan for proper
operation.

Inspect refrigeration system.
Reference the Refrigeration System
Diagnosis Guide.

Inspect refrigeration system.
Reference the Refrigeration System
Diagnosis Guide.

of magnet, verify proper operation
and movement or arm.

Inspect refrigeration system.
Reference the Refrigeration
System Diagnosis Guide.

Inspect refrigeration system.
Reference the Refrigeration
System Diagnosis Guide.

Inspect reed switch wiring.

Troubleshooting - Extended 3

USER GUIDE

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REFRIGERATION SYSTEM DIAGNOSIS GUIDE

System
Condition

Normal Normal Slightly below

Overcharge Higher than

Undercharge Lower than

Partial
Restriction

Complete
Restriction

No Gas 0 PSIG to 25" Room

Suction
Pressure

normal

normal

Somewhat
lower than
normal - in
vacuum

In deep
vacuum

Suction Line Compressor

room
temperature

Very cold - may
frost heavily

Warm - near
room
temperature

Warm - near
room
temperature

Room
temperature
(cool)

temperature
(cool)

Discharge

Very hot Very hot Warm Cold Normal

Slightly warm
to hot

Hot Warm Warm Extremely cold

Very hot Top passes

Room
temperature
(cool)

Cool to hot Room

THERMISTORS

Thermistors are used for various temperature readings.

Thermistors provide reliable temperature readings using a

resistance which varies based on surrounding

temperatures. If a faulty thermistor is suspected it may

be tested using an accurate ohmmeter. In an ice water

bath (32°F) resistance should measure 16.1 kilohms.

Condenser Capillary

Hot to warm Cool Cold Higher than

warm lower
passes cool
(near room
temperature
due to liquid)

Room
temperature
(cool)

temperature
(cool)

Tube

Room
temperature
(cool) or colder

Room
temperature
(cool)

Room
temperature
(cool)

Evaporator Wattage

normal

near inlet -
outlet below
room
temperature

Extremely cold
near inlet -
outlet below
room
temperature
backing up

No refrigeration Lower than

No refrigeration Lower than

Lower than
normal

Lower than
normal

normal

normal

Zone Thermistor

If the zone thermistor fails, the unit will continue to

operate in a timed limp mode which varies by model. The

unit will otherwise operate normally. The error will be

displayed in the error log.

Evaporator Thermistor

5K OHMS @ 77°

16.1K OHMS - 32°F ambient

THERMISTOR FAILURE

Limp Mode Data Table

Mode ON OFF

Beverage/Drinks 10 min. 45 min.

Market/Fresh 10 min. 45 min.

Root 5 min. 90 min.

Pantry 10 min. 45 min.

Deli 10 min. 45 min.

If the evaporator thermistor fails, the unit will rely on a

preset defrost time during defrost cycles. The unit will

otherwise operate normally. Evaporator thermistor errors

will be displayed in the error log.

Always assure that all thermistor connections are clean

and dry. Whenever opening a thermistor connection be

sure to apply a fresh dab of die electric grease.

Troubleshooting - Extended 4

USER GUIDE

NOTICE

Magnet Close To Switch

(Door Closed)

(Switch Closed)

Magnet Away From Switch

(Door Open)

(Switch Open)

Door Removed For Illustration Purposes

Internal Air Flow And Unit Ventilation Diagram

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REED SWITCH

A reed switch is used to monitor door state. When the

door is closed magnetic force pulls the reed to its contact

and closes the circuit which turns the light and display off.

When the door is open the reed pulls away from the

contact and opens the circuit. If the door is left open for

longer than 5 minutes, the switch will trigger an error code

and set an audible warning.

AIR FLOW

The unit requires proper air flow to perform at

its highest efficiency. Do not block the front

grille, internal fans or vents at any time, or the

unit will not perform as expected. Do not install

the unit behind a door.

Quick Chill

CAUTION

!

Quick chill is designed to quickly pull warm

beverages and foods down to optimum storage

temperature. It is important to only initiate

quick chill modes when the unit has been fully

loaded with warm product.

To initiate quick chill:

1. Press to select the desired mode setting.

2. Press until the temperature set point reads “Quick”.

The quick chill feature will then begin for the period of

time dictated by the mode type. To cancel quick chill

simply select a set point other then “quick”.

Troubleshooting - Extended 5

USER GUIDE

Up

Select

Down

RETURN TO MENU

RELAY TOGGLE

MULL OFF

COND OFF

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Relay Toggle

Relay toggle is used to manually switch the state of each

relay to test for proper operation. In addition to the AC

relays, DC outputs may also be toggled. Relay toggle can

also be used to force the unit into a particular state. For

example, to force a 3018 / 3045 into a cooling cycle

activate Comp, F1, and F3.

ID Description Type

Mull Mullion Heater (Not Used) AC

Cond Fan (Not Used) AC

Def Defrost Valve (Not Used) AC

LVLV Left Valve (Not Used) AC

RVLV Right Valve (Not Used) AC

Pan Pan Heater (Not Used) AC

Comp Compressor AC

F1 Evaporator Fan DC

F2 Evaporator Fan (Not Used) DC

F3 Condenser Fan DC

L1 Cabinet Lighting DC

L2 Cabinet Lighting (Not Used) DC

CONVECTION COOLING

All 3000 series units are equipped with an advanced

convection cooling system. Convection cooling stabilizes

cabinet temperature, cools product faster and increases

energy efficiency.

Evaporator Fan

The evaporator fan is responsible for circulating warm air

from the refrigeration zone, past the evaporator and back

into the refrigerated zone.

The evaporator fan is factory set to have a 1 minute delay

at the beginning of a cooling cycle. This delay gives the

evaporator time to cool properly before warm air is passed

over it. The fan will continue to run for an additional 2

minutes at the end of a cooling cycle. Fan delay times can

be modified through the service menu.

Evaporator fan operation is also determined by door

switch state. If the door switch circuit opens the fan will

stop. When the door switch circuit is closed the fan will

either continue running with the cooling cycle, or if not

currently cooling, the fan will run for 1 minute to circulate

air and clear any condensation that may have appeared

on glass doors and shelves.

NOTE: If the unit is set to sabbath mode the evaporator

fan will no longer respond to the state of the door switch.

To access Relay Toggle:

1. Press to select “Relay Toggle”.

2. Press .

3. Press and to scroll through each relay or DC

output.

4. Press to toggle.

5. To exit the Relay Toggle menu, press to select

“Return to Menu” and press to confirm.

In order to operate efficiently the evaporator fan blade

and vents should be unobstructed and free of any dust

buildup.

Troubleshooting - Extended 6

USER GUIDE

Up

Error ID

Number

Of Occurrences Select

Down

RETURN TO MENU

ALL ERRORS
NO COMM 0

ZONE T OPEN 0

Up

Select

Down

RETURN TO MENU

RELAY STATUS

MULL COND DEF LVLV

OFF OFF OFF OFF

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All Errors

The All Errors option keeps record of any system errors.

When an error occurs it is recorded to all errors. The

number next to the error indicates the number of recorded

instances. Errors in the log may not be currently active.

The error log memory is non volatile and is persistent

should power be lost and restored to the unit. See below

for a list of logged errors and their respective descriptions.

ID Description Solution

No Comm Unit lost

communication to the
display.

Zone T
Open

Evap T
Open

Zone thermistor
circuit open.

Evaporator
thermistor circuit
open.

Amb
Thrm

Ambient thermistor
circuit open.

Open

Zone T
Short

Evap T
Short

Zone thermistor
circuit shorted.

Evaporator
thermistor circuit
shorted.

Amb
Thrm

Ambient thermistor
circuit shorted.

Short

Temp Hi
6H+

Zone temperature
+10° over set point
for over 6 hours.

Temp Hi
12H+

Zone temperature
+10° over set point
for over 12 hours.

Temp Lo
6H+

Zone temperature -
10° under set point
for over 6 hours.

Temp Lo
12H+

Zone temperature -
10° under set point
for over 12 hours.

Door
Open 5M

Door switch open for
more then 5 minutes.

Check display cable.
Replace if necessary.

Check connection. Replace
if necessary.

Check connection. Replace
if necessary.

Check connection. Replace
if necessary.

Check connection. Replace
if necessary.

Check connection. Replace
if necessary.

Check connection. Replace
if necessary.

Check compressor,
evaporator fan and related
relays and DC outputs.

Check compressor,
evaporator fan and related
relays and DC outputs.

Check compressor,
evaporator fan and related
relays and DC outputs.

Check compressor,
evaporator fan and related
relays and DC outputs.

Check reed switch and
connection.

To access All Errors follow the steps below.

1. Press to select “All Errors”.

2. Press .

3. Use and to scroll through available information.

4. To clear the error log, press to select “Clear Errors”

and press to confirm.

5. To exit the Actual Temps menu, press to select

“Return to Menu” and press to confirm.

Relay Status

Relay status displays the current state of each relay. While

all available relays are displayed, only a portion are used.

ID Description Status

Mull Mullion Heater Not Used

Cond Condenser Fan Not Used

Def Defrost Valve Not Used

LVLV Left Valve Not Used

RVLV Right Valve Not Used

Pan Pan Heater Not Used

Comp Compressor Used

NOTE: The Cond (Condenser Fan) will switch state with

the compressor relay, however the condenser fan is

actually powered through a DC output and is independent

of the Cond relay. Condenser fan status can be viewed

through the “Output” service menu option.

Troubleshooting - Extended 7

USER GUIDE

Up

Select

Down

RETURN TO MENU

SABBATH MODE

OFF

Up

Select

Down

U-Select Lighting

Power

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To access Relay Status:

1. Press to select “Relay Status”.

2. Press .

3. Press and to scroll through available

information.

4. Press to exit the Relay Status menu.

Sabbath Mode

INTERIOR LIGHTING

U-Line 3000 Series unit uses a state of the art theatre

style LED lighting system.

NOTE: Lighting system is designed to fade in and out

when switching states.

1. To begin, press to enter the lighting menu.

2. Press or to cycle through each available

brightness setting (Low, Medium, or High).

The U-line 3000 Series of models offer a Sabbath mode for

users who require this functionality during Sabbaths.

Sabbath mode disables system responses to user initiated

activities and all external functions, including lighting,

display and audible alarms. The unit will still maintain

internal temperatures and set points.

1. To enter Sabbath Mode, select Sabbath Mode from the

Customer Menu.

2. Press to select “Off”.

3. Press . “Off” will begin to flash.

4. Press or to change “Off” to “On”.

5. Press to confirm your selection.

3. Press to cycle through each available timer setting.

Selections include “On With Door”, “On 3 Hours”, “On 6

Hours”, or “On 24 Hours”.

4. To exit, press or simply wait for the menu to time

out.

The display will fade out as the unit enters Sabbath mode.

Sabbath mode remains active until is pressed.

Troubleshooting - Extended 8

USER GUIDE

Up

Select

Down

RETURN TO MENU

ACTUAL TEMPS
BIN TEMP = 1.6

COND TEMP = 45.5

Can be displayed in Celsius

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ERROR NOTIFICATION

The 3000 model series continuously monitors a series of

inputs and parameters to ensure proper and efficient

operation of your unit. Should the system detect a fault, an

error notification will be displayed on the user interface.

These errors are considered active and can also be viewed

in the Self Test and All Errors mode of the service menu.

See below for a list of errors and possible solutions.

ID Description Solution

No Comm Unit lost

Zone T Open Left or right zone

Amb Thrm
Open

Zone T Short Left or right zone

Amb Thrm
Short

Temp Hi 6H+ Left or right Zone

Temp Hi
12H+

Temp Lo 6H+ Zone temperature

Temp Lo
12H+

Door Open 5MDoor switch open for

communication to
the display.

thermistor circuit
open.

Ambient thermistor
circuit open.

thermistor circuit
shorted.

Ambient thermistor
circuit shorted.

temperature +10°
over set point for
over 6 hours.

Zone temperature
+10° over set point
for over 12 hours.

-10° under set point
for over 6 hours.

Zone temperature

-10° under set point
for over 12 hours.

more then 5
minutes.

Inspect Customer UI
and Data Cable (if
defective replace entire
door)

Check connection.
Replace if necessary.

Check connection.
Replace if necessary.

Check connection.
Replace if necessary.

Check connection.
Replace if necessary.

Check compressor,
evaporator fan and
related relays and DC
outputs.

Check compressor,
evaporator fan and
related relays and DC
outputs.

Check compressor,
evaporator fan and
related relays and DC
outputs.

Check compressor,
evaporator fan and
related relays and DC
outputs.

Verify door is closed and
sealing. Check reed
switch and related
connections.

Actual Temps

The “Actual Temps” option displays the offset corrected

temperature of each zone and evaporator, as well as

ambient temperature.

1. To view actual temperatures, select “Actual Temps”

from the customer menu.

2. Press or to scroll through available information.

3. To exit, select “Return to Menu” and press .

Troubleshooting - Extended 9

USER GUIDE

REVIEW ACTUAL TEMPS

REVIEW ERROR LOG

RELAY STATUS

RELAY TOGGLE

INPUTS

O

UTPUTS

OFFSETS

SELF TEST

DIFFERENTIALS

SET POINTS

FACTORY DEFAULTS

RESELECT MODEL

FAN DELAY

USB PORT

SHOWROOM MODE

EXIT

TO ENTER THE MAIN SERVICE MENU

PRESS AND HOLD
FOR 5 SECONDS

AND

SERVICE MENU
ACTUAL TEMPS

RELAY STATUS

ALL ERRORS

ENTER & EXIT
SUB-MENU ITEM

SC

ROLL

TH

ROUGH

MENU

SHOWS TEMPERATURES WITHOUT OFFSETS. EACH ZONE HAS AN
EVAP AND AIR THERMISTOR. EACH UNIT HAS AN AMBIENT THERMISTOR

RETURN TO MENU

ACTUAL TEMPS

LEFT ZONE = 52°

LEFT EVAP = 52°

RETURN TO MENU

ALL ERRORS

NO COMM 3

L ZONE T OPEN 0

RETURN TO MENU

RELAY STATUS

MULL COND DEF LVLV

OFF OFF OFF ON

RETURN TO MENU

RELAY TOGGLE

MULL OFF

COND OFF

RETURN TO MENU

INPUTS
LEFT DOOR CLOSED
RIGHT DOOR OPEN

RETURN TO MENU

OUTPUTS
L EVAP FAN = 0%
R EVAP FAN = 0%

RETURN TO MENU

OFFSETS

RIGHT ZONE = -18°C

RIGHT EVAP = -17°C

RETURN TO MENU

SELF TEST

NO ERRORS

RETURN TO MENU

DIFFERENTIALS

LEFT = -16°C

RIGHT = -16°C

RETURN TO MENU

SET POINTS

LEFT ZONE = 12°C

LEFT EVAP = 7°C

RETURN TO MENU
FACTORY DEFAULT

RESTORE?

RETURN TO MENU
RE-SELECT MODEL

3090WCWC

RETURN TO MENU

FAN DELAY
FAN 1 DELAY OFF = 1
FAN 2 DELAY ON = 2

RETURN TO MENU

USB PORT

FLASH DRIVE

RETURN TO MENU

SHOWROOM MODE

OFF

FAN DELAY

USB PORT

SHOWROOM MODE

EXIT

RANDOMLY SCROLLS THROUGH ZONES, MODES, TEMPERATURES AND OTHER
FEATURES. TOUCH AND HOLD

TO EXIT SHOWROOM MODE

SCROLL DOWN TO “EXIT”. TOUCH AND RELEASE TO EXIT SERVICE MODE.

CONFIGURES THE ON-BOARD USB PORT FOR FLASH DRIVE OR PC LINK

DISPLAYS THE NUMBER OF TIMES AN ERROR HAS OCCURRED.
SCROLL TO THE END TO ERASE THE ERROR CODES

DISPLAYS THE CURRENT STATUS OF THE RELAYS ON THE BOARD
(not all relays are used on all models)

ALLOWS THE RELAYS TO BE TOGGLED ON/OFF TO CHECK RELAY & COMPONENT.
YOU CAN TURN ON MULTIPLE RELAYS TO CHECK A ZONE, (COMP FAN ETC)

DISPLAYS DOOR SWITCH STATE, TEST INPUT, AND USB STATE

MONITORS THE STATE OF DC OUTPUTS
(evaSFRQGHQVHUIDQVDQGOLJKWLQJRɞOow - med - high)

OFFSETS ARE USED TO ADJUST OR CORRECT THERMISTOR READINGS.
CORRECTED VALUES MAY BE VIEWED THROUGH THE CUSTOMER MENU

SELF TEST IS USED TO DIAGNOSE THE BOARD. IF NO ERRORS ARE PRESENT
“NO ERRORS” WILL BE DISPLAYED, THE MAIN BOARD IS FUNCTIONING PROPERLY

DIFFERENTIALS ARE USED TO DETERMINE AT WHAT TEMPERATURE THE UNIT
CYCLES. “O” SETTING IS +/- 2° DIFFERENTIAL

THE SET POINTS MENU IS USED TO MODIFY BOTH THE ZONE AND EVAP SET POINTS.
THE EVAP SET POINT IS USED DURING DEFROST, IT MUST REACH 42°F (6°C)

FACTORY DEFAULT IS USED TO RESTORE ALL SETTINGS TO THE FACTORY
DEFAULT FOR THE SELECTED MODEL

FAN DELAY ALLOWS MODIFICATION OF FAN RUN TIMES BOTH AT THE START
OF A COOLING CYCLE AND AT THE END AFTER THE COMPRESSOR STOPS

RE-SELECT MODEL IS USED TO MODIFY THE MODEL INFORMATION. CHANGING
THE MODEL COMPLETELY REPROGRAMS AVAILABLE ZONES

TO GO TO NEXT SUB-MENU ITEM
YOU MUST ARROW UP TO “RETURN TO MENU”

TOUCH AND RELEASE

TO RETURN TO THE MAIN MENU

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Control Operation - Service

Control Operation - Service 1

USER GUIDE

Up

Select

Down

RETURN TO MENU

ACTUAL TEMPS

ZONE = 2°C

EVAP = °C

Up

Error ID

Number

Of Occurrences Select

Down

RETURN TO MENU

ALL ERRORS

NO COMM 0

ZONE T OPEN 0

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SERVICE MENU

In addition to a feature rich customer menu, the 3000
series also offers a service menu with the ability to fine
tune and monitor unit operation.

To initiate the Service menu hold both Up and Zone
Toggle for 5 seconds.

Actual Temps

The Actual Temp option in the service menu will display
raw thermistor readings without calculating offsets.

1. Use Down to select “Actual Temps”.

2. Press Select .

3. Use Up and Down to scroll through available
thermistor readings.

To exit the Actual Temps menu use Up to select
“Return to Menu” and press Select to confirm.

All Errors

The All Errors option keeps record of any system errors.
When an error occurs it is recorded to all errors. The
number next to the error indicates the number of recorded
instances. Errors in the log may not be currently active.
The error log memory is non volatile and is persistent
should power be lost and restored to the unit. See below
for a list of logged errors and their respective descriptions.

ID Description Solution

No
Comm

Zone T
Open

Evap T
Open

Amb
Thrm
Open

Zone T
Short

Evap T
Short

Unit lost
communication to
the display.

Zone thermistor
circuit open.

Evaporator
thermistor circuit
open.

Ambient
thermistor circuit
open.

Zone thermistor
circuit shorted.

Evaporator
thermistor circuit
short.

Unplug the communication cable
from the user interface. Check
the black to red conductors
looking for 5 VDC. If voltage is
present replace the user
interface. If no voltage is
present check for 5 VDC at the
main board where the
communication cable plugs onto
the pins for the red and black
conductors. If 5 VDC is not
present replace the main control
board. If 5 VDC is present
replace the communication
cable.

Check thermistor connection to
harness for moisture or
corrosion. Also check conn ection
where thermistor harness
attaches to main board. If
connections are valid replace
the thermistor.

Check thermistor connection to
harness for moisture or
corrosion. Also check conn ection
where thermistor harness
attaches to main board. If
connections are valid replace
the thermistor.

Check thermistor connection to
harness for moisture or
corrosion. Also check conn ection
where thermistor harness
attaches to main board. If
connections are valid replace
the thermistor.

Check thermistor connection to
harness for moisture or
corrosion. Also check conn ection
where thermistor harness
attaches to main board. If
connections are valid replace
the thermistor.

Check thermistor connection to
harness for moisture or
corrosion. Also check conn ection
where thermistor harness
attaches to main board. If
connections are valid replace
the thermistor.

Control Operation - Service 2

USER GUIDE

Up

Select

Down

RETURN TO MENU

RELAY STATUS

MULL COND DEF LVLV

OFF OFF OFF OFF

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ID Description Solution

Amb
Thrm
Short

Temp Hi
6H+

Temp Hi
12H+

Temp Lo
6H+

Temp Lo
12H+

Door
Open 5M

Ambient
thermistor circuit
shorted.

Zone temperature
+10°C over set
point for over 6
hours.

Zone temperature
+10°C over set
point for over 12
hours.

Zone temperature

-10°C under set
point for over 6
hours.

Zone temperature

-10°C under set
point for over 12
hours.

Door switch open
for more then 5
minutes.

Check thermistor connection to
harness for moisture or
corrosion. Also check con nection
where thermistor harness
attaches to main board. If
connections are valid replace
the thermistor.

Is condenser coil clean? Is
condenser fan operating? Check
zone thermistor for correct
resistance. Verify thermistor
connections are clean and
intact. Check zone valve
operation. Sealed system issue?

Is condenser coil clean? Is
condenser fan operating? Check
zone thermistor for correct
resistance. Verify thermistor
connections are clean and
intact. Check zone valve
operation. Sealed system issue?

Verify thermistor connections
are clean and dry. Verify
thermistor resistance. Verify
correct operation of zone valve.

Verify thermistor connections
are clean and dry. Verify
thermistor resistance. Verify
correct operation of zone valve.

Check door switch magnet reed
switch alignment when door is in
closed position. Check reed
switch connection at the harness
and the main board.

Relay Status

Relay status displays the current state of each relay. While
all available relays are displayed, only a portion are used.

ID Description Solution

Mull Mu l l ion Heater Not Used
Cond Condenser Fan Not Used
Def Defrost Valve Not Used
Pan Pan heater Not Used
Comp Compressor Used

Note: The Cond (Condenser Fan) will switch state with the
compressor relay, however the condenser fan is actually
powered through a DC output. Condenser fan status can
be viewed through the “Output” service menu option.

To access Relay Status

To access All Errors follow the steps below.

1. Use Down to select “All Errors”.

2. Press Select .

3. Use Up and Down to scroll through available
information.

To clear the error log use Down to select “Clear Errors”
and press Select to confirm.

To exit the Actual Temps menu use Up to select
“Return to Menu” and press Select to confirm.

1. Use Down to select “Relay Status”.

2. Press Select .

3. Use Up and Down to scroll through available
information.

To exit the Relay Status simply press Select to exit.

Control Operation - Service 3

USER GUIDE

Up

Select

Down

RETURN TO MENU

RELAY TOGGLE

MULL OFF

COND OFF

Up

Select

Down

RETURN TO MENU

INPUT STATUS

DOOR OPEN

IN2 OPEN

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Relay Toggle

Relay toggle is used to manually switch the stat e of eac h
relay to test for proper operation. In addition to the AC
relays, DC switches may also be tog gled. Relay toggle can
also be used to force the unit into a particular state. For
example, to force a 3036 into a cooling cycle activate
LVLV, Comp, F1, and F3.

ID Description Solution

Mull Mullion Heater (Not Used) AC
Cond Fan (Not Used) AC
Def Defrost Valve (Not Used) AC
Pan Pan heater (Not Used) AC
Comp Compressor AC
F1 Evaporator Fan DC
F3 Condenser Fan DC
L1 Zone Lighting DC

Input Status

Input status displays the current state of each available
input as well as the current USB connection state.

ID Description Type

Door Door Switch Open - Closed
Test Input Factory Test Input Open
USB USB Connection State Flash - Com Port

Note: USB status show current connection state. In order
to make a successful connection, USB connection type
must be properly set in “USB Port” under the service
menu.

To access Input Status

1. Use Down to select “Input Status”.

To access Relay Toggle

4. Use Down to select “Relay Toggle”.

5. Press Select .

6. Use Up and Down to scroll through each relay
and DC output.

7. Press Select to toggle.

To exit the Relay Toggle menu use Up to select “Return
to Menu” and press Select to confirm.

2. Press Select .

3. Use Up and Down to scroll through available
information.

To exit the Input Status menu use Up to select “Return
to Menu” and press Select to confirm.

Control Operation - Service 4

USER GUIDE

NOTICE

Up

Select

Down

RETURN TO MENU

OUTPUTS

EVAP FAN=0%

CONDENSER FAN=0%

Up

Select

Down

RETURN TO MENU

OFFSETS
ZONE = 1°F
EVAP = 1°F

Can be displayed in Celsius

Up

Select

Down

RETURN TO MENU

SELF TEST

NO ERRORS

try “RELAY TOGGLE”

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Outputs

Outputs is used to monitor the state of DC outputs.

ID Description States

Evap Fan Evaporator Fan 0 - 100%
Condenser Fan Condenser Fan 0 - 100%
Light Zone Lighting Off - Low - Med - High

To access Outputs

1. Use Down to select “Outputs”.

2. Press Select .

Offsets are used to adjust or correct thermistor readings.
Offset values are added to the current thermistor reading
and are then used by the control board to determine
cooling and defrost cycle times. Offsets have a range of
+/- 10°C. Corrected values may be viewed through the
customer “All Temps” menu or TTY output.

To access Offsets

1. Use Down to select “Offsets”.

2. Press Select .

3. Use Up and Down to scroll through available
thermistors.

To change offset

4. Press Select , the selected thermistor will begin to
flash.

3. Use Up and Down to scroll through available
information.

To exit the Input Status menu use Up to select “Return
to Menu” and press Select to confirm.

Offsets

Customer care MUST be notified and approve of any
changes to the differential befor e the y ar e made. Failur e to
notify customer care will void the warranty.

5. use Up or Down to modify offset value.

6. Press Select to confirm setting.

To exit the Offset menu use Up to select “Return to
Menu” and press Select to confirm.

Self Test

Control Operation - Service 5

USER GUIDE

Up

Select

Down

RETURN TO MENU

DIFFERENTIALS

ZONE = 1°F

Can be displayed in Celsius

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p'LɞHUHQWLDO
p'LɞHUHQWLDO

Up

Select

Down

RETURN TO MENU

SET POINTS
ZONE = 3°C
EVAP = 5°C

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Self test is used to initiate a self diagnostic report. Any
system faults will be displayed under Self test. If no errors
are present “no errors” will be displayed and the main
control board is functioning properly. The main control
board is extremely robust and should rarely require
service. Most issues are external to the control. Reference
troubleshooting for more information.

To access Self Test

1. Use Down to select “Self Test”.

2. Press Select .

3. Use Up and Down to scroll through available
information.

To exit the Self Test use Up to select “Return to Menu”
and press Select to confirm.

The graph below shows a unit’s cooling cycle over time
with various differentials.

Set Points

Differentials

Differentials are used to determine the maximum variation
from set point and have a range of 0 through 10. The
table below shows the effect of differentials on cooling
cycles with a set point of 45°.

Note: Air temperature does not reflect product
temperatures.

Differential C ycle Start Cycle End

0 7°C 6°C
1 8°C 6°C
2 8°C 5°C
3 9°C 5°C
4 10°C 4°C
5 10°C 3°C

The Set points menu contains options to modify both the
Zone and Evap set points. Changes to the zone set point
will be reflected on the main screen. Changes to the evap
set point alter the temperature the evaporator needs to
meet during a defrost cycle.

To access Set Points

1. Use Down to select “Set Points”.

2. Press Select .

3. Use Up and Down to scroll through available set
points.

To change set point

4. Press Select , the selected set point will begin to
flash.

5. use Up or Down to modify the value.

Control Operation - Service 6

USER GUIDE

NOTICE

Up

Select

Down

RETURN TO MENU

FACTORY DEFAULT

RESTORE?

Up

Select

Down

RETURN TO MENU

RE-SELECT MODEL #

3018R

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6. Press Select to confirm setting.

To exit the Set Points menu use Up to select “Return to
Menu” and press Select to confirm.

Factory Default

Factory Default will restore all setti ngs to their factory
default.

To access Factory Default

1. Use Down to select “Factory Default”.

Re-Select Model

Before altering model selection U-Line customer
service must be notified. Failure to notify
customer service will result in voiding of the
manufacturer warranty.

Re-Select Model allows the units model information to be
modified. Changing the units model completely
reprograms available zones, relay assignments, DC output
assignments etc.

2. Press Select .

To restore settings to their factory default.

3. Use Down to select “Restore?” and press Select

4. “Restore?” will change to “Restoring...” while settings
are restored. When restoration is complete,
“Restoring...” will return to “Restore?”.

To exit Factory Default use Up to select “Return to
Menu” and press Select to confirm.

To access Re-Select Model

1. Use Down to select “Re-Select Model”.

2. Press Select .

To alter model setting.

3. Use Down to select “Model=” and press Select .
“Model” will begin to flash.

4. Press Up or Down to scroll through each
available model.

5. Press Select to confirm.

To exit Re-Select Model use Up to select “Return to
Menu” and press Select to confirm.

Control Operation - Service 7

USER GUIDE

Up

Select

Down

RETURN TO MENU

FAN DELAY

FAN DELAY ON = 1

FAN DELAY OFF = 2

Up

Select

Down

RETURN TO MENU

USB PORT

PC Link

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Fan Delay

The Fan Delay menu option allows the modification of fa n
run times during and after a cooling cycle. In order to
allow time for the evaporator to properly cool, the
evaporator fan is delayed from starting with the cooling
cycle for a given amount of time. In order to remove as
much warmth as possible from the cabinet the evaporator
fan will continue to run at the end of the cooling cycle for
a given amount of time.

Fan Delay On=

“Fan Delay On” is the amount of time in minute s the fan
will be delayed from starting from the beginning of a
cooling cycle.

To exit Fan Delay use Up to select “Return to Menu”
and press Select to confirm.

USB Port

The USB Port menu option allows the selection of a
communication mode. The 3000 Series can communicate
either via TTY to a PC or log diagnostic information
directly to a USB flash disk.

ID Communication

PC Link PC TTY
Flash USB Flash Drive

To access USB Port

Fan Delay Off=

“Fan Delay Off” is the amount of time in minutes the fan
will continue to run at the end of a cooling cycle.

To access Fan Delay

1. Use Down to select “Fan Delay”.

2. Press Select .

To alter fan settings.

3. Use Down to select either “Fan Delay On” or “Fan
Delay Off” and press Select . The chosen option will

begin to flash.

4. Press Up or Down to change settings.

5. Press Select to confirm.

1. Use Down to select “USB Port”.

2. Press Select .

To alter communication settings.

3. Use Down to select the current setting and press
Select .

4. Press Up or Down to change settings.

5. Press Select to confirm.

To exit “USB Port” use Up to select “Return to Menu”
and press Select to confirm.

Control Operation - Service 8

USER GUIDE

Up

Select

Down

RETURN TO MENU

SHOWROOM MODE

OFF

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Showroom Mode

Showroom displays a number of features and allows the
unit to be powered on without running the cooling system.

To toggle showroom mode

1. Use Down to select “Showroom Mode”.

2. Press Select .

3. Use Down to select “Off” and press Select . “Off”
will begin to flash.

4. Press Up or Down to toggle between off and on.

5. Press Select to confirm.

If set to “on” showroom mode will begin immediately. To
exit showroom mode press and hold power for 5
seconds and release. The display will show a countdown to
switching the unit off. Press power again and the unit
will immediately switch on retaining the presets from
before it entered showroom mode.

To exit the showroom mode menu use Up to select
“Return to Menu” and press Select to confirm.

Control Operation - Service 9

USER GUIDE

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Control Defaults

Default Value

Fahrenheit/Celsius* °F °C

Defrost Duration Minutes 12

Next Defrost Hours 4

Thermistor Four OFFSET** 0 —

Thermistor Three OFFSET** 0 —

Thermistor Two OFFSET** 0 —

Thermistor One OFFSET** -7 —

Thermistor One Differential Up** 1 —

Thermistor One Differential Down** 1 —

Thermistor Four Set Point 0 -18

Thermistor Three Set Point 0 -18

Thermistor Two Set Point 42 6

Refrigeration Set Point 38 3

Light Key 1

Has Ice 0

Maximum Ice Set Point — —

Minimum Ice Set Point — —

Maximum Set Point 45 7

Minimum Set Point 34 1

* 115V models default to Fahrenheit.

220-240V models default to Celsius.

** Offset and Differential always expressed in °F.

Control Defaults 1

USER GUIDE

REVIEW ACTUAL TEMPS

REVIEW ERROR LOG

RELAY STATUS

RELAY TOGGLE

INPUTS

OUTPUTS

SELF TEST

DIFFERENTIALS

FACTORY DEFAULTS

RESELECT MODEL

USB PORT

SHOWROOM MODE

EXIT

TO ENTER THE MAIN SERVICE MENU

PRESS AND HOLD
FOR 5 SECONDS

AND

SERVICE MENU

ACTUAL TEMPS

RELAY STATUS

ALL ERRORS

ENTER & EXIT
SUB-MENU ITEM

SCROLL
THROUGH
MENU

SHOWS TEMPERATURES WITHOUT OFFSETS. EACH UNIT HAS A BIN
CONDENSER AND THERMISTOR. EACH UNIT HAS AN AMBIENT THERMISTOR

RETURN TO MENU

ACTUAL TEMPS

LEFT ZONE = 52°

LEFT EVAP = 52°

RETURN TO MENU

ALL ERRORS

NO COMM 3

L ZONE T OPEN 0

RETURN TO MENU

RELAY STATUS

MULL COND DEF LVLV

OFF OFF OFF ON

RETURN TO MENU

RELAY TOGGLE

MULL OFF

COND OFF

RETURN TO MENU

INPUTS
LEFT DOOR CLOSED
RIGHT DOOR OPEN

RETURN TO MENU

OUTPUTS
L EVAP FAN = 0%
R EVAP FAN = 0%

RETURN TO MENU

OUTPUTS
L EVAP FAN = 0%
R EVAP FAN = 0%

RETURN TO MENU

SELF TEST

NO ERRORS

RETURN TO MENU

DIFFERENTIALS

LEFT = 2°F

RIGHT = 2°F

RETURN TO MENU
FACTORY DEFAULT

RESTORE?

RETURN TO MENU
RE-SELECT MODEL

3036WCWC

RETURN TO MENU

USB PORT

FLASH DRIVE

RETURN TO MENU

SHOWROOM MODE

OFF

FAN DELAY

USB PORT

SHOWROOM MODE

EXIT

RANDOMLY SCROLLS THROUGH ZONES, MODES, TEMPERATURES AND OTHER
FEATURES. TOUCH AND HOLD

TO EXIT SHOWROOM MODE

SCROLL DOWN TO “EXIT”. TOUCH AND RELEASE TO EXIT SERVICE MODE.

CONFIGURES THE ON-BOARD USB PORT FOR FLASH DRIVE OR PC LINK

DISPLAYS THE NUMBER OF TIMES AN ERROR HAS OCCURRED.
SCROLL TO THE END TO ERASE THE ERROR CODES

DISPLAYS THE CURRENT STATUS OF THE RELAYS ON THE BOARD
(not all relays are used on all models)

ALLOWS THE RELAYS TO BE TOGGLED ON/OFF TO CHECK RELAY & COMPONENT.
YOU CAN TURN ON MULTIPLE RELAYS TO CHECK A ZONE, (COMP FAN ETC)

DISPLAYS DOOR SWITCH STATE, TEST INPUT, AND USB STATE

COND FAN

DISPLAYS 0 - 100% WHILE OPERATING

MONITORS THE STATE OF DC OUTPUTS
(evaSFRQGHQVHUIDQVDQGOLJKWLQJRɞOow - med - high)

SELF TEST IS USED TO DIAGNOSE THE BOARD. IF NO ERRORS ARE PRESENT
“NO ERRORS” WILL BE DISPLAYED, THE MAIN BOARD IS FUNCTIONING PROPERLY

DIFFERENTIALS ARE USED TO DETERMINE AT WHAT TEMPERATURE THE UNIT
CYCLES. “O” SETTING IS +/- 2° DIFFERENTIAL

FACTORY DEFAULT IS USED TO RESTORE ALL SETTINGS TO THE FACTORY
DEFAULT FOR THE SELECTED MODEL

RE-SELECT MODEL IS USED TO MODIFY THE MODEL INFORMATION.
CHANGING THE MODEL COMPLETELY REPROGRAMS AVAILABLE ZONES

TO GO TO NEXT SUB-MENU ITEM
YOU MUST ARROW UP TO “RETURN TO MENU”

TOUCH AND RELEASE

TO RETURN TO THE MAIN MENU

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Service Mode

QUICK GUIDE

Service Mode 1

USER GUIDE

Up

Select

Down

RETURN TO MENU

ACTUAL TEMPS

ZONE = 37°
EVAP = 52°

Can be displayed in Celsius

Up

Error ID

Number

Of Occurrences Select

Down

RETURN TO MENU

ALL ERRORS

NO COMM 0

ZONE T OPEN 0

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SERVICE MENU

In addition to a feature rich customer menu, the 3000

series also offers a service menu with the ability to fine

tune and monitor unit operation.

To initiate the Service menu hold both Up and Zone

Toggle for 5 seconds.

Actual Temps

The Actual Temp option in the service menu will display

raw thermistor readings without calculating offsets.

1. Use Down to select “Actual Temps”.

2. Press Select .

3. Use Up and Down to scroll through available

thermistor readings.

To exit the Actual Temps menu use Up to select

“Return to Menu” and press Select to confirm.

The All Errors option keeps record of any system errors.

When an error occurs it is recorded to all errors. The

number next to the error indicates the number of recorded

instances. Errors in the log may not be currently active.

The error log memory is non volatile and is persistent

should power be lost and restored to the unit. See below

for a list of logged errors and their respective descriptions.

ID Description Solution

No Comm Unit lost

Bin T Open Bin thermistor circuit

Condenser T
Open

Bin T Short Bin thermistor circuit

Condenser T
Short

Temp Hi
6H+

Temp Hi
12H+

Temp Lo
6H+

Temp Lo
12H+

Door Open 5MDoor switch open for

Time To
Clean

Blocked
Drain

communication
to the display.

open.

Condenser
thermistor circuit
open.

shorted.

Condenser
thermistor circuit
shorted.

Not used. Not used.

Not used. Not used.

Not used. Not used.

Not used. Not used.

more then 5
minutes.

Water circulation
system requires
cleaning.

Drain pump has
detected a problem.

Check display cable.
Replace if necessary.

Check connection.
Replace if necessary.

Check connection.
Replace if necessary.

Check connection.
Replace if necessary.

Check connection.
Replace if necessary.

Check reed switch and
connection.

Clean unit with 37050
cleaner.

Check drain hose for
restriction or drain pump
for correct operation.

All Errors

To access All Errors follow the steps below.

1. Use Down to select “All Errors”.

2. Press Select .

3. Use Up and Down to scroll through available

information.

Service Mode 2

USER GUIDE

Up

Select

Down

RETURN TO MENU

RELAY STATUS

MULL COND DEF LVLV

OFF OFF OFF OFF

Up

Select

Down

RETURN TO MENU

RELAY TOGGLE

MULL OFF

COND OFF

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To clear the error log use Down to select “Clear Errors”

and press Select to confirm.

To exit the Actual Temps menu use Up to select

“Return to Menu” and press Select to confirm.

RELAY STATUS

Relay status displays the current state of each relay. While

all available relays are displayed, only a portion are used.

ID Description Status

Mull Mullion Heater Not Used

Cond Condenser Fan Used

Def Defrost Valve Not Used

LVLV Left Valve Not Used

RVLV Right Valve Not Used

Pan Pan Heater Not Used

Comp Compressor Used

WV Water Valve Used

Pump Circulation Pump Used

Harvest Harvest Used

NOTE: The Cond (Condenser Fan) will switch state with

the compressor relay, however the condenser fan is

actually powered through a DC output and is independent

of the Cond relay. Condenser fan status can be viewed

through the “Output” service menu option.

To access Relay Status

1. Use Down to select “Relay Status”.

2. Press Select .

3. Use Up and Down to scroll through available

information.

To exit the Relay Status simply press Select to exit.

RELAY TOGGLE

Relay toggle is used to manually switch the state of each

relay to test for proper operation. In addition to the AC

relays, DC outputs may also be toggled. Relay toggle can

also be used to force the unit into a particular state. For

example, to force a 3018 / 3045 into a cooling cycle

activate Comp, F1, and F3.

ID Description Type

Cond Fan AC

LVLV Left Valve (Not Used) AC

RVLV Right Valve (Not Used) AC

Pan Pan Heater (Not Used) AC

Comp Compressor AC

F1 Evaporator Fan (Not Used) DC

F2 Evaporator Fan (Not Used) DC

F3 Condenser Fan (Not Used) DC

L1 Cabinet Lighting DC

L2 Cabinet Lighting (Not Used) DC

WV Water Valve AC

Pump Circulation Pump AC

Harvest Harvest AC

Service Mode 3

USER GUIDE

Up

Select

Down

RETURN TO MENU

INPUT STATUS

DOOR OPEN

IN2 OPEN

Up

Select

Down

RETURN TO MENU

OUTPUTS

EVAP FAN=0%

CONDENSER FAN=0%

Up

Select

Down

RETURN TO MENU

OFFSETS
ZONE = 1°F
EVAP = 1°F

Can be displayed in Celsius

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To access Relay Toggle

1. Use Down to select “Relay Toggle”.

2. Press Select .

3. Use Up and Down to scroll through each relay or

DC output.

4. Press Select to toggle.

To exit the Relay Toggle menu use Up to select “Return

to Menu” and press Select to confirm.

Input Status

3. Use Up and Down to scroll through available

information.

To exit the Input Status menu use Up to select “Return

to Menu” and press Select to confirm.

Outputs

Outputs is used to monitor the state of DC outputs.

ID Description States

Evap Fan Evaporator Fan 0 - 100%

Condenser Fan Condenser Fan 0 - 100%

Light Interior Lighting Off - Low - Med - High

Input status displays the current state of each available

input as well as the current USB connection state.

ID Description States

Door Door Switch Open - Closed

IN2 Input 2 - Not Used Open

Test Input Factory Test Input Open

USB USB Connection State Flash - Com Port

NOTE: USB status shows current connection state. In

order to make a successful connection USB connection

type must be properly set in “USB Port” under the service

menu.

To access Input Status

1. Use Down to select “Input Status”.

2. Press Select .

To access Outputs

1. Use Down to select “Outputs”.

2. Press Select

3. Use Up and Down to scroll through available

information.

To exit the Outputs Status menu use Up to select

“Return to Menu” and press Select to confirm.

Offsets

Service Mode 4

USER GUIDE

NOTICE

NOTICE

Up

Select

Down

RETURN TO MENU

SELF TEST

NO ERRORS

try “RELAY TOGGLE”

Up

Select

Down

RETURN TO MENU

DIFFERENTIALS

ZONE = 1°F

Can be displayed in Celsius

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Self Test

Customer care MUST be notified and approve of

any changes to the differential before they are

made. Failure to notify customer care will void

the warranty.

Offsets are used to adjust or correct thermistor readings.

Offset values are added to the current thermistor reading

and are then used by the control board to determine

cooling and defrost cycle times. Offsets have a range of

+/- 10°F. Corrected values may be viewed through the

customer “All Temps” menu or TTY output.

To access Offsets

Self test is used to initiate a self diagnostic report. Any

system faults will be displayed under Self test. If no errors

are present “no errors” will be displayed and the main

control board is functioning properly. If an error is listed

attempt to correct it before changing control board. See

troubleshooting for tips on correcting errors.

1. Use Down to select “Offsets”.

2. Press Select .

3. Use Up and Down to scroll through available

thermistors.

To change offset

1. Press Select , the selected thermistor will begin to

flash.

2. Use Up or Down to modify offset value.

3. Press Select to confirm setting.

To exit the Offset menu use Up to select “Return to

Menu” and press Select to confirm.

To access Self Test

1. Use Down to select “Self Test”.

2. Press Select .

3. Use Up and Down to scroll through available

information.

To exit the Self Test use Up to select “Return to Menu”

and press Select to confirm.

Differentials

Customer care MUST be notified and approve of

any changes to the differential before they are

made. Failure to notify customer care will void

the warranty.

Service Mode 5

USER GUIDE

NOTICE

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Up

Select

Down

RETURN TO MENU

FACTORY DEFAULT

RESTORE?

Up

Select

Down

RETURN TO MENU

RE-SELECT MODEL #

3018R

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Differentials are used to determine the maximum variation

from set point and have a range of 0 through 10. The

table below shows the effect of differentials on cooling

cycles with a set point of 45°.

NOTE: Air temperature does not reflect product

temperatures.

Differential Cycle Start Cycle End

0 46° 44°

1 47° 43°

2 48° 42°

3 49° 41°

4 50° 40°

5 51° 39°

The graph below shows a unit’s cooling cycle over time

with various differentials.

To restore settings to their factory default

1. Use Down to select “Restore?” and press Select .

2. “Restore?” will change to “Restoring...” while settings

are restored. When restoration is complete,

“Restoring...” will return to “Restore”.

To exit Factory Default use Up to select “Return to

Menu” and press Select to confirm.

Re-Select Model

Factory Default

Factory Default will restore all settings to their factory

default.

To access Factory Default

1. Use Down to select “Factory Default”.

2. Press Select .

Before altering model selection, U-Line customer

service must be notified. Failure to notify

customer service will result in voiding of the

manufacturer warranty. Call U-Line Customer

Service for assistance.

Re-Select Model allows the unit’s model configuration to

be modified. Changing the unit’s model completely

reprograms available zones, relay assignments, dc output

assignments, etc.

To access Re-Select Model

1. Use Down to select “Re-Select Model”.

2. Press Select .

To alter model setting

1. Use Down to select “Model=” and press Select .

“Model” will begin to flash.

Service Mode 6

USER GUIDE

Up

Select

Down

RETURN TO MENU

USB PORT

PC Link

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2. Press Up or Down to scroll through each

available model.

3. Press Select to confirm.

To exit Re-Select Model use Up to select “Return to

Menu” and press Select to confirm.

USB COMMUNICATION

The 3000 series uses an advanced USB logging feature for

system logging and diagnostics. The controller outputs 36

separate data points per second to either a USB flash disk

or transmitted over USB via TTY to a client PC. To prepare

the unit for logging, first verify the USB port is set to the

proper configuration. See “USB Port” for information on

configuring the USB port.

Flash Mode:

Suitable for logging directly to a USB flash disk.

For information on identifying each data point, see the

“Communication Data” table on page 17.

USB COMMUNICATION (PC LINK)

Data can be transmitted directly to a client PC via a serial

connection. Verify the USB port is set to “PC Link”. Use a

Type A to Type A male to male USB cable to connect the

system to a Windows

®

compatible PC. It is necessary to

install communication drivers to the client PC. Drivers

may be downloaded at u-lineservice.com. Establish a

connection using a Telnet / TTY terminal application. U-

Line recommends PuTTY. PuTTY is available for download

at u-lineservice.com. Once the connection is established,

the controller will output a series of 36 data points in 1

second increments. For information on identifying each

data point, see the “Communication Data” table on page

17.

USB Port

PC Link Mode:

Suitable for communicating directly with a PC via USB.

USB Communication (Flash)

The main control can host a wide range of flash disks up

to a maximum capacity of 8GB. After verifying the USB

port is set to “Flash”, simply insert a flash disk in to the

USB port located above the grille. The flash disk activity

light (located on the flash disk) will begin flashing

immediately as data is recorded to the drive. Data is

recorded in one second increments and is only limited by

the capacity of the flash disk.

The system will create a file named “uline.csv” on the

flash disk. In the event the file already exists, new data

will automatically be appended to the end of the existing

file. The file is output in a comma delineated text format

and may be viewed in a wide variety of simple text

readers or spreadsheet programs.

The USB Port menu option allows the selection of a

communication mode. The 3000 Series can communicate

either via TTY to a PC or log diagnostic information

directly to a USB flash disk.

ID Communication

PC Link PC TTY

Flash USB Flash Drive

NOTE: Unit ships in PC link mode.

To alter communication settings

1. Use Down to select the current setting and press

Select .

2. Press Up or Down to change settings.

Service Mode 7

USER GUIDE

USB

Grille

Up

Select

Down

RETURN TO MENU

SHOWROOM MODE

OFF

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5. Press Select to confirm.

If set to “on” showroom mode will begin immediately. To

exit showroom mode press and release Power .

To exit the showroom mode menu use Up to select

“Return to Menu” and press Select to confirm.

3. Press Select to confirm.

To exit “USB Port” use Up to select “Return to Menu”

and press Select to confirm.

To access USB Port

1. Use Down to select “USB Port”.

2. Press Select .

Showroom Mode

Showroom displays a number of features and allows the

unit to be powered on without running the cooling system.

To toggle showroom mode

1. Use Down to select “Showroom Mode”.

2. Press Select .

3. Use Down to select “Off” and press Select . “Off”

will begin to flash.

4. Press Up or Down to toggle between off and on.

Service Mode 8

USER GUIDE

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Communication Data ID Table (Sample Temperatures in F)

Field

ID

Sample
Data

Field

ID

Sample
Data

Field

ID

Sample
Data

Field

ID

Sample
Data

12---45678910

Time

Live

1525 --- --- --- --- 85 111 --- 34 1

11 12 13 14 15 16 17 18 19 20

NA Zone

0 0 --- --- --- 2 --- --- --- ---

21 22 23 24 25 26 27 28 29 30

R6

Harvest

7 1 --- 3 0 --- --- --- --- 45

31 32 33 34 35 36 37

Comp
Timer

500 --- 0 0 0 0 0

NA --- BIN

Offset

R7

NA

Comp Cum

Timer

Evap Off Left Door

Fan

1

Defrost

Timer

Temp

Indicator

Fan

2

Fan 1

Timer

NA Condenser

Right Door

Indicator

Fan

3

Fan 2

Timer

Lamp OFF

1 Timer

Temp

R1

Cond

Left

Light

Ambient

Temp

R2

NA

Right
Light

Lamp OFF

2 Timer

CPU

Temp

R3

Comp

Energy

Mode

Current

Zone

R4

Water

Sabbath

Mode

Set

Point

R5

Circ

Power

Field Value Field Value

1 Time in seconds since unit plugged in. 20 R5 Relay Circulation Pump.

2 NA 21 R6 Hot Gas Bypass.

3Not used. 22R7 NA.

4BIN Thermistor. 23Fan 1.

5Not used. 24Fan 2.

6 Condenser temperature. 25 Fan 3.

7 Ambient temperature. 26 Left Light.

8 CPU Temperature. 27 Right Light.

9 Current Bin Temperature. 28 Energy Saver Mode.

10 Set Point. 29 Sabbath Mode.

11 NA 30 Power.

12 Zone offset value in °F/C. 31 Compressor Timer.

13 Evaporator Offset Value in °F/C. 32 Compressor Cumulative Timer.

14 Left Door Indicator. 33 Defrost Timer.

15 Right Door Indicator. 34 Fan 1 Timer.

16 R1 Relay Condenser Fan. 35 Fan 2 Timer.

17 R2 Relay NA. 36 Lamp OFF 1 Timer.

18 R3 Relay Compressor. 37 Lamp OFF 2 Timer.

19 R4 Relay Water Fill Valve.

NOTE: Relay 4 will cycle with relay 6, this is considered normal.

Service Mode 9

USER GUIDE

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Thermistors

Thermistors are used for various temperature readings.

Thermistors provide reliable temperature readings using a

resistance which varies based on surrounding

temperatures. If a faulty thermistor is suspected it may

be tested using an accurate ohmmeter.

THERMISTOR FAILURE

Zone Thermistors

If the zone thermistor in the unit fails the unit will continue

to cool in a back up mode to preserve the integrity of the

contents. The unit will cycle on for ten minutes, then shut

down for forty five minutes. The process will repeat until

the problem is corrected. All other functions of the unit

will continue to operate normally.

Evaporator Thermistors

If an evaporator thermistor fails the unit will rely on a

preset defrost timer during defrost cycles. The unit will

otherwise operate normally. The error will be displayed in

the service mode “Error Log.”

This unit has two thermistors. Thermistor one is located

along the right hand side wall inside of the unit and is used

to maintain temperature within the unit.

Thermistor two is located on the back of the evaporator

and is used for defrost purposes.

Thermistor Resistance Data

Temp (F) Temp (C)

-40 -40 169157

-31 -35 121795

-22 -30 88766

-13 -25 65333

-4 -20 48614

5 -15 36503

14 -10 27681

23 -5 21166

32 0 16330

41 5 12696

50 10 9951

59 15 7855

68 20 6246

77 25 5000

86 30 4029

95 35 3266

104 40 2665

113 45 2186

122 50 1803

131 55 1495

140 60 1247

149 65 1044

158 70 879

167 75 743

176 80 631

* (=/-5%)

Nominal Resistance

(OHMS)*

Thermistor connections must be kept clean. A thermistor

connection that has become corroded can cause

resistance values from the thermistor to change as they

pass through a dirty connection to the board.

It is for that reason that we apply die electric grease to all

of our thermistor connections. Die electric grease will help

to keep thermistor connections clean and dry.

If you change a thermistor in the unit please re-apply die

electric grease to the connection. If you encounter a dirty

thermistor connection, you should replace the thermistor

and the thermistor harness.

Thermistor 1

USER GUIDE

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Defrost

These units are frost free technology

Model Hrs

Between
Defrost
Time

2218R/WC 12 45 42

2224BEV/R/WC 12 45 42

3018R/WC 12 45 40

1224DWR 12 45 42

1224WC 12 45 45

3024DWR/FZR/BEV/R 12 42 40

3036BVWC/RR/WCWC 12 42 40

C01224F 12 18 42

C029F 12 18 --

1224RF 12 18 42

Length/
Minutes

Stop
Point

Defrost 1

USER GUIDE

Evaporator Cover

Screws

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Remove Fan and Cover

CONVECTION COOLING

This unit is equipped with an advanced convection cooling

system. Convection cooling stabilizes cabinet

temperature, cools product faster and increases energy

efficiency.

Evaporator Fan

The evaporator fan is responsible for circulating warm air

from the refrigeration zone, past the evaporator and back

into the refrigerated zone.

The evaporator fan is factory set to have a 1 minute delay

at the beginning of a cooling cycle. This delay gives the

evaporator time to cool properly before warm air is passed

over it. The fan will continue to run for an additional 2

minutes at the end of a cooling cycle. Fan delay times can

be modified through the service menu.

3. Disconnect power to the unit.

4. Remove rear cover from unit.

5. Disconnect fan electrical connection at rear of unit.

6. Remove insulating foam from refrigerant line pass-

through hole as needed to gain clearance for fan plug.

7. Remove internal shelving.

8. Remove rear shelf clips, fronts can remain.

9. Remove thermistor cover.

10.Remove two evaporator cover screws from top of

evaporator plate.

Evaporator fan operation is also determined by door

switch state. If the door switch circuit opens, the fan will

stop. When the door switch circuit is closed the fan will

either continue running with the cooling cycle, or if not

currently cooling, the fan will run for 1 minute to circulate

air and clear any condensation that may have appeared

on glass doors and shelves.

Note: If the unit is set to sabbath mode, the evaporator

fan will no longer respond to the state of the door switch.

In order to operate efficiently, the evaporator fan blade

and vents should be unobstructed and free of any dust

buildup.

Evaporator Fan Replacement

Should the evaporator fan need to be replaced follow the

steps below.

1. Remove any product from the unit.

11.Grasp evaporator cover, pull forward and up as bottom

of cover is installed behind the front edge of the drain

trough.

12.While pulling the evaporator cover clear of the unit, it

may be necessary to use your free hand to manipulate

the fan plug end through the pass-through hole.

2. Uninstall unit.

Remove Fan and Cover 1

USER GUIDE

NOTICE

Air Flow

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13.Remove the 4 screws mounting the fan shroud to the

evaporator plate.

14.Remove and replace fan. Take special care to properly

route fan wire.

Fan must be oriented to pull air in through lower

evaporator cover vents and push air out at fan

mounting location.

15.Installation is the reverse of removal.

16.Care must be taken to assure the bottom of the

evaporator cover is reinstalled behind the front edge of

the train trough.

17.Use sealant gum to seal any openings at rear of unit

before replacing rear cover.

18.Reinstall unit taking care to level, space and secure as

found.

Remove Fan and Cover 2