USER GUIDE & SERVICE MANUAL
1 Class ● UHFZ124 ● 24” Convertible Freezer
USER GUIDE & SERVICE MANUAL
u-line.com
Table of Contents
Intro
Safety
Safety and Warning
Disposal And Recycling
Installation
Environmental Requirements
Electrical
Cutout & Product Dimensions
Side by Side Installation
Anti-Tip Bracket
General Installation
Grille Installation
Door Swing
Door Adjust
Product Liability
Warranty Claims
Ordering Replacement Parts
System Diagnosis Guide
Compressor Specifications
Troubleshooting Extended
Control Operation - Service
Thermistor
Defrost
Remove Fan and Cover
Warranty
Interior Adjustments
Maintenance
Free Standing Kit
Cleaning
Cleaning Condenser
Extended Non-Use
Operating Instructions
First Use
Control Operation
Airflow and Product Loading
Service
Troubleshooting
USER GUIDE
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WELCOME TO U-LINE
Congratulations on your U-Line purchase. Your product comes from a company with over ve decades of premium modular ice
making, refrigeration, and wine preservation experience. U-Line creates products focused on functionality, style, and inspired
innovations — paying close attention to even the smallest details. Applications include residential, outdoor, ADA height
compliant, marine, and commercial. Complete product categories include Beverage Centers, Wine Refrigerators, Ice Machines,
Refrigerators, Freezers, and Dispensers.
Our advanced refrigeration systems, large and exible capacities, and Built-In to Stand Out® clean integrated look allow you
to preserve the right product, in the right place, at the right temperature. Since 2014, U-Line has been part of the Middleby
family of brands. All products are designed, engineered, and assembled in Milwaukee, Wisconsin, USA, and select products
are available worldwide.
PRODUCT INFORMATION
Looking for additional information on your product? User Guides, Spec Sheets, CAD Drawings, Compliance Documentation,
and Product Warranty information are all available for reference and download at u-line.com.
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 +1.414.354.0300.
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 eld without prior written approval from U-Line, claims will not be eligible.
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
Email: sales@u-line.com
u-line.com
SERVICE & PARTS ASSISTANCE
Monday - Friday 8:00 am to 4:30 pm CST
T: +1.414.354.0300
Service Email: onlineservice@u-line.com
Parts Email: onlineparts@u-line.com
CONNECT WITH US
Introduction
Designed, engineered and assembled in WI, USA
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USER GUIDE
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Safety and Warning
NOTICE
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
ammable hydrocarbon. It is safe for regular
use. Do not use sharp objects to expedite
defrosting. Do not service without consulting the
“R600a specications” 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.
CALIFORNIA PROPOSITION 65
This product contains chemicals known to the
state of California to cause cancer and birth
defects or other reproductive harm.
www.P65warnings.CA.gov
CAUTION
!
This equipment is to be installed with adequate
backow protection to comply with applicable
federal, state and local codes.
Safety and Warning
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USER GUIDE
Disposal and Recycling
DANGER
!
RISK OF CHILD ENTRAPMENT. Before you throw
away your old refrigerator or freezer, take o
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.
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3. Remove the door(s)/drawer(s).
Disposal and Recycling
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USER GUIDE
CAUTION
!
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.
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Damages caused by ambient temperatures of
40°F (4°C) or below are not covered by the
warranty.
Environmental Requirements
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USER GUIDE
WARNING
!
Electrical
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.
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Never use an extension cord to connect power to
the unit.
Always keep your working area dry.
NOTICE
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 & PRODUCT DIMENSIONS for recommended
receptacle location.
Electrical
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USER GUIDE
4"
(102 mm)
7"
(178 mm)
24"
(610 mm)
24 1⁄4"
(616 mm)
34 1⁄8"
(867 mm)
to
35 1⁄8"
(892 mm)
Preferred location
for electrical outlet
is in adjacent
cabinet.
5/8"
(16 mm)
Power Cord
6 ft (183 cm)
6 ⁄”
(162 mm)
3 ⁄”
(98 mm)
23 ⁄”
(608 mm)
3 ⁄”
(91 mm)
34 ⁄” to 35 ⁄”
(867 mm to
892 mm)
28”
(711 mm)
Cutout & Product Dimensions
PREPARE SITE
Your U-Line product has been designed for either free-
standing or 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,
and clearance is required for an electrical connection in
the rear.
CAUTION
!
Unit can NOT be installed behind a closed cabinet
door.
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FRONT
CUTOUT DIMENSIONS
PRODUCT DIMENSIONS
REAR
TOP
SIDE
1 ⁄”
(48mm)
24 ⁄”
(613 mm)
7 ⁄
(200 mm)
7 ⁄
(200 mm)
15 ¾”
(400 mm)
”
”
(371 mm)
14 ⁄”
(572 mm)
22 ½”
20 ⁄”
(530 mm)
24 ½”
(622mm)
Cutout & Product Dimensions
2 ⁄”
(59 mm)
”
(25 mm)
1
6 ⁄”
(162 mm)
(210 mm)
8 ¼”
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USER GUIDE
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Side-by-Side Installation
Two units may be installed side-by-side.
Cutout width for a side-by-side installation is the cutout
dimension of a single unit times two.
No trim kit is required. However, 1/4" (6 mm) of space
needs to be maintained between the units to ensure
unobstructed door swing.
Units must operate from separate, properly grounded
electrical receptacles placed according to each unit’s
electrical specifications requirements.
Side-by-Side Installation with Bracket
1. Slide both units out so screws on top of units are easily
accessible.
3. Place bracket over holes and attach to unit with two
screws removed in step 2 using a T-25 Torx driver.
Tighten screws fully.
4. Gently push units into position. Be careful not to
entangle the electrical cord or water line, if applicable.
5. 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.
2. Remove screws as shown below.
Side-by-Side Installation
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USER GUIDE
Anti-Tip Bracket
1. Slide unit out so screws on top of unit are easily
accessible.
2. Remove the two screws from the opposite side of the
hinge assembly using a T-25 Torx driver (see below).
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3. Place bracket over holes and attach to unit with two
screws removed in step 2 using a T-25 Torx driver.
Tighten screws fully.
4. Gently push unit into position. Be careful not to
entangle the electrical cord or water line, if applicable.
5. Check to be sure the unit is level 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.
6. Secure bracket into adjoining surface.
Anti-Tip Bracket
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USER GUIDE
1
Turn to Adjust
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General Installation
LEVELING INFORMATION
1. Use a level to
conrm the unit is
level. Level should
be placed along top
edge and side edge
as shown.
2. If the unit is not level, adjust the legs on the corners of
the unit as necessary.
INSTALLATION
1. Plug in the power/electrical cord.
2. Gently push the unit into position. Be careful not
to entangle the cord or water and drain lines, if
applicable.
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
the countertop.
4. Install the anti-tip bracket.
5. Remove interior packing material and wipe out the
inside of the unit with a clean, water-dampened cloth.
1⁄8” (3 mm) below
3. Conrm the unit is level after each adjustment and
repeat the previous steps as needed.
INSTALLATION TIP
If the room oor is higher than the oor in the cutout
opening, adjust the rear legs to achieve a total unit rear
height of
Shorten the unit height in the front by adjusting the front
legs. This allows the unit to be gently tipped into the
opening. Readjust the front legs to level the unit after it is
correctly positioned in the opening.
1⁄8” (3 mm) less than opening’s rear height.
General Installation
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USER GUIDE
Grille Installation
REMOVING AND INSTALLING GRILLE
WARNING
!
Disconnect electric power to the unit before
removing the grille.
When using the unit, the grille must be installed.
WARNING
!
DO NOT touch the condenser ns. The condenser
ns are SHARP and can be easily damaged.
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Removing the grille
1. Disconnect power to the unit.
2. Loosen the two screws (1).
3. Remove grille (2) from unit.
Installing the grille
1. Align cabinet and grille holes and secure, but do not
over tighten grille screws (1).
Note: When installing next to a 15” wide U-Line
product, use the supplied spacers behind the
grille. The 24” grille will now be on the same
plane as the 15” grille.
2. Reconnect power to the unit.
2
Grille Installation
1
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USER GUIDE
Wall
90°
Door Swing
2-1/8" Min.
(54 mm)
Door Swing
Units have a zero clearance for the door to open 90°,
when installed adjacent to cabinets.
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Stainless Steel models require 2-1/8" (54 mm) door
clearance to accommodate the handle if installed next to a
wall.
Door Swing
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USER GUIDE
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Door Adjustments
HINGE COVER
Hinge cover included with the literature bag is optional.
To install hinge cover:
1. Press hinge cover squarely over hinge.
Hinge Cover
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 may form in the interior.
REVERSING THE DOOR
Location of the unit may make it desirable to mount the
door on the opposite side of the cabinet.
The hinge hardware will be removed and reinstalled on the
opposite side of the cabinet.
TO REVERSE THE DOOR
Remove grille:
NOTICE
Properly aligned, the door’s gasket should be
rmly in contact with the cabinet all the way
around the door (no gaps). Carefully examine the
door’s gasket to ensure that it is rmly in contact
with the cabinet. Also make sure the door gasket
is not pinched on the hinge side of the door.
To align and adjust the door:
1. Gently pry o hinge cover from top of unit.
2. Loosen (do not remove) top and bottom hinge screws
using a Torx T-25 screwdriver.
3. Align door squarely with cabinet.
4. Make sure gasket is rmly in contact with cabinet all
the way around the door (no gaps).
5. Tighten bottom hinge screws.
Remove the grille (see GRILLE INSTALLATION section of
this guide).
Remove top hinge and door:
1. Hold door to keep it from falling.
2. Remove top hinge from cabinet using a Torx T-25
screwdriver to remove three screws. Set aside and
save for possible future use.
6. Tighten top hinge screws and replace hinge cover.
Door Adjustments
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USER GUIDE
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3. Remove door by tilting forward and lifting door o
bottom hinge. Retain shoulder washers; they will be
reused.
4. Remove three screws from hinge holes on the
opposite side. Reinstall into holes where the hinge was
removed. (If utilizing supplied screw cover, install just
one screw.)
Remove bottom hinge:
1. Remove bottom hinge from cabinet using a T-25 TORX
screw driver to remove three screws.
Install top hinge and door:
1. Install hinge with longer straight edge aligned to
outside edge of cabinet. Do not tighten.
2. Rotate door 180o and set on bottom hinge.
3. Align edge of the hinge with the outer edge of the unit.
2. Remove corresponding screws on opposite side of
cabinet. On some models there may be a nut behind
one or both screws on either side.
Install bottom hinge:
Install two or three screws, depending on model. Replace
nuts if used.
4. Tighten three hinge screws.
Align and adjust the door:
Align and adjust the door (see DOOR ALIGNMENT AND
ADJUSTMENT)
Install grille and hinge cover
Door Adjustments
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USER GUIDE
Free Standing Kit
Te free standing kit is an optional accessory
(ULAFREESTANDS), used when unit is freestanding - not
built into a cabinet. Available at u-line.com.
To install the kit:
1. Remove grille (see GRILLE INSTALLATION section).
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2. Place shell accessory over front and back of cabinet
base, aligning holes of shell accessory with the holes
on the base. Insert sheet metal screw in back of base.
3. Align front hole wit hole in shell accessory, hole in
base, and hole in grille. Tighten screw.
Free Standing Kit
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USER GUIDE
First Use
Initial startup requires no adjustments. If the unit was
turned off, press and the unit will immediately switch
on. To turn off, press and release. See CONTROL
OPERATION section for more details.
NOTICE
Temperature displayed reflects actual
temperature inside unit.
If the temperature displayed is different than selected, the
unit is progressing towards the selected temperature. Time
to reach set point varies based upon ambient temperature,
temperature of product loaded, door openings, etc. U-Line
recommends allowing the unit to reach set point before
loading.
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Approximate time required (empty unit) when converting
between refrigerator and freezer:
• 38ºF to 0ºF - 1 hour
• 0ºF to 38ºF - 4 hours
First Use
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USER GUIDE
Control Operation
CONTROL FUNCTION GUIDE
FUNCTION COMMAND NOTES
ON/OFF Press and release Unit will immediately turn On or OFF
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Press and release to leave interior
Leave interior light on
Adjust Temperature Press or and release
Toggle between ºF / ºC Hold and for 5 seconds The display will change units
Toggle between Freezer/
Refrigerator
Enable Sabbath Mode
Disable Sabbath Mode Press and release Display and interior light return to normal operation
Showroom Mode Hold and for 5 seconds
This unit is Star-K certied. See www.star-k.org for more details.
light on for 12 hours; press again to
deactivate
Hold for 5 seconds
Press and hold for 5 seconds and
release
After 12 hours, factory default is restored; light will
turn on when door is open
When the display is ashing, press or to
adjust the set point temperature. Note: temperature
displayed is the actual temperature inside unit
Unit will “beep” and display will show the default set
point for Refrigerator/Freezer
The oF / oC symbol will ash briey after 5 seconds.
Interior light and display will go dark and remain so
until user resets mode - unit continues to operate
Display will show SH for 2 seconds. Interior light and
display will function normally, but the compressor
and fans will not energize.
Repeat command to return to normal operation.
Display will show EH for 2 seconds.
DOOR ALERT NOTIFICATION
When the door is left open for more than 5 minutes:
• A tone will sound for several seconds every minute
• will appear in display
Close door to silence alert and reset
Control Operation
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USER GUIDE
NOTICE
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
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. Do not install the unit
behind a door.
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Airflow and Product Loading 1
USER GUIDE
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Interior Adjustments
FREEZER BASKETS
Freezer Basket Installation & Removal
Freezer baskets are removable for cleaning. To remove
the baskets follow the instructions below.
NOTICE
Do not remove the track rails from the cabinet.
To reinstall:
1. Align the left and right basket channels with the tracks
in the cabinet. Ensure an even track engagement on
both sides by gently pushing the basket into the
cabinet until it stops.
2. Before reloading the basket, ensure proper movement
of the travel stops in the left and right track rails by
pulling the basket out gently until it stops.
3. Push the basket into the cabinet.
Cleaning
Baskets may be cleaned in a soapy warm water solution.
A general household disinfectant may be used if
necessary. Be sure to completely dry your basket before
reinstalling. Do not submerge basket assembly.
1. Fully extend the basket you wish to remove from the
cabinet.
2. Press the left basket release lever down. At the same
time, lift the matching right basket release lever up.
Pull basket out until it is free of the tracks and the
cabinet.
NOTICE
Freezer baskets are NOT dishwasher safe.
Interior Adjustments
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USER GUIDE
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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. 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
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
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.
Integrated Models
or Barkeepers Friend Cleanser®
®
Stainless Steel Polish and
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
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USER GUIDE
NOTICE
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.
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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
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USER GUIDE
WARNING
!
Cleaning Condenser
INTERVAL - EVERY SIX MONTHS
To maintain operational efficiency, keep the front grille
free of dust and lint, and clean the condenser when
necessary. Depending on environmental conditions, more
or less frequent cleaning may be necessary.
Disconnect electric power to the unit before
cleaning the condenser.
NOTICE
DO NOT use any type of cleaner on the
condenser unit.
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1. Remove the grille.
2. Clean the condenser coil using a using a soft brush
with a “combing” action or vacuum cleaner.
3. Install the grille.
Condenser
Cleaning Condenser
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USER GUIDE
CAUTION
!
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.
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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 800.779.2547.
Damage caused by freezing temperatures is not
covered by the warranty.
Extended Non-Use
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USER GUIDE
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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 upper right or rear wall of the
interior of your product.
NORMAL OPERATING SOUNDS
• Evaporator: Refrigerant owing 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.
TROUBLESHOOTING GUIDE
DANGER
!
ELECTROCUTION HAZARD. Never attempt to
repair or perform maintenance on the unit
before disconnecting the main electrical power.
Troubleshooting - What to check when problems occur:
Problem Possible Cause and Remedy
Interior Light
Does Not
Illuminate
Light Remains
on When Door
Is Closed.
If the unit is cooling, it may be in
Sabbath mode.
Turn o light switch if equipped.
Adjust light actuator bracket on bottom
of door.
All models incorporate rigid foam insulated cabinets to
provide high thermal eciency 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 oors and paneled walls have a
tendency to reect 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.
• Compressor: The compressor makes a hum or pulsing
sound that may be heard when it operates.
Unit Develops
Frost on
Internal
Surfaces.
Unit Develops
Condensation
on External
Surfaces.
Product is Not
Cold Enough
Ensure the door is closing and sealing
properly.
The unit is exposed to excessive
humidity. Moisture will dissipate as
humidity levels decrease.
Air temperature does not indicate
product temperature. See CHECKING
PRODUCT TEMPERATURE below.
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 the interior light has not
remained on too long.
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.
Troubleshooting
25
USER GUIDE
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CHECKING PRODUCT TEMPERATURE
To check the actual product temperature in the
unit:
1. Partially ll a plastic (nonbreakable) bottle with water.
2. Insert an accurate thermometer.
Causes which aect 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
aects product on the top rack or shelf.)
• Obstruction of front grille or condenser.
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.
6. After 24 hours, check the temperature of the water.
If required, adjust the temperature control in a small
increment (see CONTROL OPERATION).
Troubleshooting
26
USER GUIDE
Product Liability
Field service technicians are authorized to make an initial
assessment in the event of reported damages. If there are
any questions about the process involved, the technician
shou
ld call U-Line for further explanation.
While inspecting for defects or installation issues, photos
should be taken to document any damages or issues found.
During the assessment, if the service technician is able to
nd the source of the damage and it can be resolved by
replacement of a part, the servicer is authorized to replace
the part in question. The part that caused the damage
must be returned to U-Line in its entirety. The part must
be clearly labeled with the serial number of the unit it was
removed from, the date, and the servicer who removed the
part.
u-line.com
If the service technician determines the damage is the
result of installation issues (water connection/drain, etc.),
the consumer would be notied and the issues shall be
resolved at the direction of the consumer.
If damage is evident and the service technician is
unable to nd the source, U-Line must be contacted at
1.800.799.2547 for further direction.
8900 N. 55th Street • Milwaukee, WI 53223
T: +1.414.354.0300 • F: +1.414.354.5696
Website: www.u-line.com
Right product. Right place.
Right temperature Since 1962.
Product Liability
27
USER GUIDE
17 14862 05 0527
use Only
use Only
u-line.com
Warranty Claims
The following information denes the parameters for ling a
warranty claim:
• Valid serial number needed
• Valid model number needed
• Claims must be submitted online at
www.U-LineService.com
• 60 day submittal deadline from date of completed
service
• Only one repair or unit per warranty claim
• Part order numbers will be required when submitting
for warranty labor
Units must be registered prior to warranty submittal.
Customers may register at www.U-Line.com. A proof
of purchase is required. We also accept the following
information to update warranty:
• New construction occupancy documents
• Closing paperwork
• Final billing - Remodel
Warranty parts will be shipped at no charge after U-Line
conrms warranty status. Please provide the model, serial
number, part number and part description. Some parts will
require color or voltage information.
Year
Factory
Month
Factory
Warranty Claims
28
USER GUIDE
Ordering Replacement Parts
Parts may be ordered online at www.U-Line.com
See our contact information below:
www.U-LineService.com (with service login)
Phone Number: +1.800.779.2547
NOTICE
Use only genuine U-Line replacement parts.
The use of non-U-Line parts can reduce speed
of ice production, cause water to overow from
ice maker mold, damage the unit, and void the
warranty.
Warranty parts will be shipped at no charge after U-Line
conrms warranty status. Please provide the model, serial
number, part number and part description. Some parts will
require color or voltage information.
u-line.com
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 emailed to you. Please
enclose a copy of the parts packing list and be sure the
model and serial numbers are legible on the paperwork.
Tag the part with the reported defect.
Customers and non-authorized servicers may order non-
warranty parts at www.u-line.com. Authorized servicers
with a servicer login may order non-warranty parts at
www.u-lineservice.com.
Ordering Replacement Parts
29
USER GUIDE
System Diagnosis Guide
REGRIGERATION SYSTEM DIAGNOSIS GUIDE
u-line.com
System
Condition
Normal Normal Slightly
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
below 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
Very hot Top passes
Room
temperature
(cool)
Cool to hot Room
Condenser Capillary
Tube
Hot to warm Cool Cold Higher than
Room
warm -
Lower
passes cool
(near room
temperature)
due to liquid
Room
temperature
(cool)
temperature
(cool)
temperature
(cool) or
colder
Room
temperature
(cool)
Room
temperature
(cool)
Evaporator Wattage
normal
Lower than
cold near
inlet - Outlet
below room
temperature
Extremely
cold near
inlet - Outlet
below room
temperature
backing up
No
refrigeration
No
refrigeration
normal
Lower than
normal
Lower than
normal
Lower than
normal
System Diagnosis Guide
30
USER GUIDE
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
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.
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.
Electrical Relay and Overload Protector
EM3D50HLT
Refrigerant R134a
Voltage 115 - 127 VAC
Frequency 60 H z
Run Cap 12μF/180 VAC
Start Winding 5.95 Ohm at 77°F/25°C
Run Winding 5.35 Ohm at 77°F/25°C
LRA 8 A
FLA 1.34 A
Starting Device 71055
Overload 71056
* 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.
31
Compressor Specifications 1
USER GUIDE
u-line.com
Troubleshooting - Extended
CAUTION
!
Never attempt to repair or perform maintenance
on the unit until the main electrical power has
been disconnected from the unit.
SPECIFIC ERRORS AND ISSUES
The advanced diagnostic capabilities of the electronic
controls utilized on the 1, 3, and 5 Class units allow for
easy and thorough troubleshooting.
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.
Verication of temperature and thermistor performance can
be identied by directly viewing thermistor readings in the
service mode.
Included in this section are some diagnostic tips and of
course, if additional help is required, please contact the
U-Line Corp, “Customer Care Facility” at +1.800.779.2547
for assistance.
NORMAL OPERATING SOUNDS
All models incorporate rigid foam insulated cabinets to
provide high thermal eciency 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 oors and paneled walls have a
tendency to reect normal appliance operating noises.
Listed below are common refrigeration components with a
brief description of the normal sounds they make. NOTE:
Your product may not contain all the components listed.
• Compressor: The compressor makes a hum or pulsing
sound that may be heard when it operates.
• Evaporator: Refrigerant owing 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.
Troubleshooting Extended
Solenoid Valves: An occasional clicking sound may be
heard as solenoid valves are operated.
32
USER GUIDE
u-line.com
TROUBLESHOOTING GUIDE
Concern Potential Causes Action
Not Cooling Compressor overheating Verify proper air ow through condenser. Is condenser clean?
Conrm condenser fan operation.
Compressor not operating Test overload and relay, replace as needed.
Compressor operating - no cooling Refer to System Diagnosis Guide.
Frozen Product Control set too cold Adjust Set Point Temp accordingly.
Thermistor failure Check Error Log in Service Mode, OHM thermistor.
Frost Buildup
Inside Unit
Display Not
Working
Interior Lights Not
Working
Noisy Refrigeration tubing touching cabinet Carefully reposition tubing.
Door Ajar or Restricted from Closing Check door clearance to adjoining cabinetry. Check
distribution of product in unit.
Thermistor failure OHM thermistor
Display unplugged Verify that both ends of the display wiring are rmly
connected.
Display wiring broken or damaged Perform continuity test of wiring and replace as needed.
Door switch misaligned or defective Check the function of reed switch and door magnet
adjustment.
Fan blade obstruction (wiring, foam
insulation, packaging material)
Remove obstruction.
Troubleshooting Extended
33
USER GUIDE
u-line.com
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
ow chart below to help diagnose the issue. Before begin-
ning it is important to rst verify the unit is not simply set
to sabbath mode.
Check Voltage
At Wall Outlet
Voltage
Verify Voltage At
Main Control
Voltage Input
No Voltage
No Voltage
Alert Customer
Of Power Failure
Replace
Power Cord
CAUTION
!
Precautions must be taken while working with
live electrical equipment. Be sure to follow
proper safety procedures while performing tests
on live systems.
PLUNGER SWITCH
A plunger switch is used to monitor door state. When the
door is closed it comes into contact with the plunger which
closes a circuit which turns the light and display o. When
the door is open the plunger moves outward 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.
Voltage
Check Fuse F1
For Continuity
Continuity
Connect Test Display
Cycle Power And Check
For Operation
Not Operating
Is the Plunger
Switch Operating
Properly?
No
Replace
Plunger Switch
No Continuity
Operating
Yes
Replace
Fuse
Inspect
Customer UI
and Data Cable
Replace Main
Board
Troubleshooting Extended
34
USER GUIDE
USER GUIDE
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
CONTROL FUNCTION QUICK GUIDE
USER GUIDE
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
When the degree symbol is flashing the unit will allow the
use of the control for demonstrations. The unit can be left
in this mode indefinitely.
SERVICE MODE
This mode has options available for service diagnostics.
To enter the mode hold the hidden key for 10 seconds.
The display will show “0.” When in this mode use the up
and down arrows to select the desired option. The LIGHT
key is the ENTER key and will initiate the function. If
changing a setting, you must press the LIGHT key again
CONTROL FUNCTION QUICK GUIDE
FUNCTION COMMAND DISPLAY/OPTIONS
ON/OFF Press and release Unit will immediately turn ON or OFF
Toggle lights
Press and release to leave interior light
on for 3 hours
Glass door wine captains and beverage centers
only.
Adjust refrigerator
temperature
Push and release
When the “F” or “C” in the display is flashing,
push to adjust the set point
temperature.
View temperature in unit Push and release the together
The display will flash and then toggle from set
point to temperature in unit.
Toggle between F/C Hold the for five seconds The display will change units.
or
or
and
and
USER GUIDE
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
DOOR ALERT NOTIFICATION
When the door is left open for more than 5 minutes:
• An audible tone will sound for several seconds every
minute.
• “dr” will appear in display.
Close door to silence alert and reset.
VIEWING ACTUAL TEMPERATURE
In viewing temperature in these modes any offsets are
taken into account. This means that if you place a therm-
ermistor reading when viewing
35°F. In the unit this would
ature, push and release the
When the degree symbol is flashing the unit will allow the
use of the control for demonstrations. The unit can be left
in this mode indefinitely.
SERVICE MODE
This mode has options available for service diagnostics.
To enter the mode hold the hidden key for 10 seconds.
The display will show “0.” When in this mode use the up
and down arrows to select the desired option. The LIGHT
key is the ENTER key and will initiate the function. If
changing a setting, you must press the LIGHT key again
to retain the changed setting. To exit the service mode
scroll to option “0” and press the LIGHT key. After five
minutes of not touching any keys the mode will also exit
automatically.
CONTROL FUNCTION QUICK GUIDE
FUNCTION COMMAND DISPLAY/OPTIONS
ON/OFF Press and release Unit will immediately turn ON or OFF
Toggle lights
Press and release to leave interior light
on for 3 hours
Glass door wine captains and beverage centers
only.
Adjust refrigerator
temperature
Push and release
When the “F” or “C” in the display is flashing,
push to adjust the set point
temperature.
View temperature in unit Push and release the together
The display will flash and then toggle from set
point to temperature in unit.
Toggle between F/C Hold the for five seconds The display will change units.
or
or
and
and
Control Operation-Service
UI BUTTON LAYOUT
1. Up Button
-Increases temperature
-Navigates through service menu
-LED activated with button activation
2. Down Button
-Decreases temperature
-Navigates through service menu
-LED activated with button activation
3. Light Button
-Activates light for 3 hours on select models
-Used to select items in service menu
-LED activated with button activation
CONTROL FUNCTION GUIDE
FUNCTION COMMAND DISPLAY/OPTIONS
ON/OFF Press and release Unit will immediately turn ON or OFF
Toggle lights
Adjust refrigerator
temperature
View temperature in unit Push and release the together
Toggle between F/C Hold the for five seconds The display will change units.
DOOR ALERT NOTIFICATION
When the door is left open for more than 5 minutes:
• An audible tone will sound for several seconds every
minute.
• “dr” will appear in display.
Close door to silence alert and reset.
VIEWING ACTUAL TEMPERATURE
In viewing temperature in these modes any offsets are
taken into account. This means that if you place a therm-
Control Operation-Service
Press and release to leave interior light
on for 3 hours
Push and release
or
and
and
Glass door wine captains and beverage centers
only.
When the “F” or “C” in the display is flashing,
push to adjust the set point
temperature.
The display will flash and then toggle from set
point to temperature in unit.
istor in a known temperature, let’s say ice water, it may
not read the 32°F that you would assume. If the control
offset was preset at -3°F while you placed the thermistor
in an icebath, the actual th
actual temperature would read
cause the cabinet to push itself 3° cooler. To view pure
thermistor readings you must go into the service menu
and choose the correct option.
To view the thermistor temper
up and down keys. The display will show the corrected
refrigerator temperature.
or
35
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USER GUIDE
USER GUIDE
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
DOOR ALERT NOTIFICATION
When the door is left open for more than 5 minutes:
• An audible tone will sound for several seconds every
minute.
• “dr” will appear in display.
Close door to silence alert and reset.
VIEWING ACTUAL TEMPERATURE
In viewing temperature in these modes any offsets are
taken into account. This means that if you place a therm-
istor in a known temperature, let’s say ice water, it may
not read the 32°F that you would assume. If the control
offset was preset at -3°F while you placed the thermistor
in an icebath, the actual thermistor reading when viewing
actual temperature would read 35°F. In the unit this would
cause the cabinet to push itself 3° cooler. To view pure
thermistor readings you must go into the service menu
and choose the correct option.
To view the thermistor temperature, push and release the
up and down keys. The display will show the corrected
refrigerator temperature.
When the degree symbol is flashing the unit will allow the
use of the control for demonstrations. The unit can be left
in this mode indefinitely.
SERVICE MODE
This mode has options available for service diagnostics.
To enter the mode hold the hidden key for 10 seconds.
The display will show “0.” When in this mode use the up
and down arrows to select the desired option. The LIGHT
key is the ENTER key and will initiate the function. If
changing a setting, you must press the LIGHT key again
to retain the changed setting. To exit the service mode
scroll to option “0” and press the LIGHT key. After five
minutes of not touching any keys the mode will also exit
automatically.
CONTROL FUNCTION QUICK GUIDE
FUNCTION COMMAND DISPLAY/OPTIONS
ON/OFF Press and release Unit will immediately turn ON or OFF
Toggle lights
Press and release to leave interior light
on for 3 hours
Glass door wine captains and beverage centers
only.
Adjust refrigerator
temperature
Push and release
When the “F” or “C” in the display is flashing,
push to adjust the set point
temperature.
View temperature in unit Push and release the together
The display will flash and then toggle from set
point to temperature in unit.
Toggle between F/C Hold the for five seconds The display will change units.
or
or
and
and
u-line.com
When the degree symbol is flashing the unit will allow the
Glass door wine captains and beverage centers
only.
When the “F” or “C” in the display is flashing,
push to adjust the set point
temperature.
The display will flash and then toggle from set
point to temperature in unit.
or
USER GUIDE
u-line.com
SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
SERVICE MODE GUIDE
1. THERMISTOR 1 — ZONE
This shows the pure thermistor reading with no
offsets taken into account.
2. THERMISTOR 2 — EVAPORATOR
This shows the pure thermistor reading with no
offsets taken into account.
3. Does not apply to this model.
4. Does not apply to this model.
5. THERMISTOR 1 — ZONE OFFSET
(DO NOT MAKE AN ADJUSTMENT TO THIS WITHOUT
CONTACTING TECH LINE: 800-779-2547)
This calibration is only to be used if actual
temperature at thermistor #1 is off from set
point.
By adjusting the offset higher we can force the
unit to drive the temperature down below the set
point. (example: adjusting from 0 to +2 will drop
the unit temperature 2 degrees)
6. THERMISTOR 2 — EVAPORATOR OFFSET
(DO NOT MAKE AN ADJUSTMENT TO THIS WITHOUT
CONTACTING TECH LINE: 800-779-2547)
7. THERMISTOR 3 — AMBIENT OFFSET
Not adjustable.
8. Does not apply to this model.
9. THERMISTOR 2 — SET POINT MINUS
OFFSET
This shows the thermistor reading with offsets
taken into account.
10. Does not apply to this model.
11. Does not apply to this model.
12. ADJUST DEFROST INTERVAL — 3 TO 24
HOURS
This will adjust the interval between defrosts
from 3 to 24 hours. Adjusting from the factory
settings may cause undesired temperature in
the refrigerator section.
13. ADJUST DEFROST DURATION — 0 TO 99
MINUTES
The length of the defrost can be adjusted 0 to 99
u-line.com
SHOWROOM MODE
This mode is designed to show units in a display environ-
ment. When in this mode the only functions will be the
control and cabinet lights. The compressor, fans, etc. will
not operate. To enter/exit this mode hold the light key
and the power key for 5 seconds. The display will flash
once and beep and the degree symbol will begin to flash.
use of the control for demonstrations. The unit can be left
in this mode indefinitely.
ACCESS SERVICE MODE
To access the service menu for this model, remove the
two screws that hold the display together.
Remove display circuit board. Press and hold the far left
button on the display circuit board.
Press and Hold
SERVICE MODE GUIDE
# Service Mode Menu Item
1 View thermistor #1 (no offsets)
2 View thermistor #2 (no offsets)
3 View thermistor #3 (no offsets)
4 View thermistor #4 (no offsets)
5 Adjust thermistor #1 offset
6 Adjust thermistor #2 offset
7 Adjust thermistor #3 offset
8 Adjust thermistor #4 offset
9 View thermistor #2 set point no offsets
10 View thermistor #3 set point no offsets
11 View thermistor #4 set point no offsets
12 Adjust defrost interval 3 to 24 hours
13 Adjust defrost duration 0 to 99 minutes
14 View error log
15 Clear error log
16 Adjust thermistor #1 differential
17 Adjust evaporator fan delay in minutes (start of cooling
cycle) 0 - 99 minutes
18 Adjust evaporator fan delay in minutes (after cooling
cycle stops) 0 - 99 minutes
19 Individual component toggle
20 Model number indicator
21 Light all LED segments of display
22 View defrost cycles
23 View compressor run time
24 Activate defrost/harvest
25 Restore factory defaults
26 View software version - main board
27 View software version - user interface
28 Login period
29 Factory test mode
0 Exit service mode
NAVIGATE SERVICE MODE
Use up or down arrows to scroll through the menu.
Use the light bulb key to enter or exit menu. If values
have been changed, they will be saved when exiting.
Control Operation-Service
36
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USER GUIDE
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
20. MODEL NUMBER INDICATOR
Displays the two-digit model number of the
specific unit. See model list table.
21. LIGHT ALL LED SEGMENTS
This will illuminate all the LEDs on the display to
ensure they work properly.
22. VIEW DEFROST CYCLES
Displays the number of defrosts that have
occurred in the past 24 hours.
23. VIEW COMPRESSOR RUNTIME
This will show the number of minutes the
compressor has run in the prior cycle (or
current cycle if the compressor was running
when service mode was entered).
24. ACTIVATE DEFROST/HARVEST
Turns on the hot gas bypass valve allowing hot
gas to circulate through the evaporator causing
frost to melt.
25. RESTORE FACTORY DEFAULTS
Will restore all adjustable functions to their
factory settings.
26. SOFTWARE VERSION — MAIN BOARD
Displays software version of the main control
board.
27. SOFTWARE VERSION —
USER INTERFACE
Displays software version of the user interface.
28. LOG IN PERIOD
Factory use only - do not adjust.
29. FACTORY TEST MODE
Should be 0.
0. EXIT SERVICE MODE
SEE RELAY/OUTPUT CHART
u-line.com
SERVICE MODE GUIDE
1. THERMISTOR 1 — ZONE
This shows the pure thermistor reading with no
offsets taken into account.
2. THERMISTOR 2 — EVAPORATOR
This shows the pure thermistor reading with no
offsets taken into account.
3. Does not apply to this model.
4. Does not apply to this model.
5. THERMISTOR 1 — ZONE OFFSET
(DO NOT MAKE AN ADJUSTMENT TO THIS WITHOUT
CONTACTING TECH LINE: 800-779-2547)
This calibration is only to be used if actual
temperature at thermistor #1 is off from set
point.
By adjusting the offset higher we can force the
unit to drive the temperature down below the set
point. (example: adjusting from 0 to +2 will drop
the unit temperature 2 degrees)
6. THERMISTOR 2 — EVAPORATOR OFFSET
(DO NOT MAKE AN ADJUSTMENT TO THIS WITHOUT
CONTACTING TECH LINE: 800-779-2547)
7. THERMISTOR 3 — AMBIENT OFFSET
Not adjustable.
8. Does not apply to this model.
9. THERMISTOR 2 — SET POINT MINUS
OFFSET
This shows the thermistor reading with offsets
taken into account.
10. Does not apply to this model.
11. Does not apply to this model.
12. ADJUST DEFROST INTERVAL — 3 TO 24
HOURS
This will adjust the interval between defrosts
from 3 to 24 hours. Adjusting from the factory
settings may cause undesired temperature in
the refrigerator section.
13. ADJUST DEFROST DURATION — 0 TO 99
MINUTES
The length of the defrost can be adjusted 0 to 99
minutes long. The other defrost parameters still
apply. Lengthening a defrost may cause higher
than normal temperatures in the refrigerator
section.
14. VIEW ERROR LOG
A list of the errors in the order they occurred will
scroll once on the display. All errors are logged
in memory. Only door error is displayed on the
display and has an audible signal.
Door 1 (upper) open.
E0:
E1: Thermistor 1 open.
E2: Thermistor 2 open.
E3: Thermistor 3 open.
E4: Thermistor 4 open (Does not apply to this
model).
E5: Thermistor 1 shorted.
E6: Thermistor 2 shorted.
E7: Thermistor 3 shorted.
E8: Thermistor 4 shorted (Does not apply to this
model).
E9: Door 2 (lower) open.
P1: Pump Circuit open (Does not apply to this
model).
15. CLEAR ERROR LOG
To clear errors, press and hold
when CLR is flashing.
(5 seconds)
16. THERMISTOR — 1 DIFFERENTIAL
This number should not be adjusted.
17. EVAPORATOR FAN DELAY IN MINUTES —
ON
“Fan Delay On” is the amount of time in minutes
the fan will be delayed from starting from the
beginning of a cooling cycle. Adjustable 0-99
minutes.
18. EVAPORATOR FAN DELAY IN MINUTES —
OFF
“Fan Delay Off” is the amount of time in minutes
the fan will continue to run at the end of a
cooling cycle. Adjustable 0-99 minutes.
19. INDIVIDUAL COMPONENT TOGGLE
Display # Relay/Output
0 Exit
2 Relay 2
3 Relay 3
4 Relay 4
5 Relay 5
6 Relay 6
7 Relay 7
8 DC Output 1
9 DC Output 2
10 DC Output 3
11 DC Output 4
12 DC Output 5
Control Operation-Service
37
USER GUIDE
u-line.com
20. MODEL NUMBER INDICATOR
Displays the two-digit model number of the
specific unit. See model list table.
21. LIGHT ALL LED SEGMENTS
This will illuminate all the LEDs on the display to
ensure they work properly.
22. VIEW DEFROST CYCLES
Displays the number of defrosts that have
occurred in the past 24 hours.
23. VIEW COMPRESSOR RUNTIME
This will show the number of minutes the
compressor has run in the prior cycle (or
current cycle if the compressor was running
when service mode was entered).
24. ACTIVATE DEFROST/HARVEST
Turns on the hot gas bypass valve allowing hot
gas to circulate through the evaporator causing
frost to melt.
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25. RESTORE FACTORY DEFAULTS
Will restore all adjustable functions to their
factory settings.
26. SOFTWARE VERSION — MAIN BOARD
Displays software version of the main control
board.
27. SOFTWARE VERSION —
Displays software version of the user interface.
28. LOG IN PERIOD
Factory use only - do not adjust.
29. FACTORY TEST MODE
Should be 0.
0. EXIT SERVICE MODE
USER INTERFACE
Control Operation-Service
38
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USER GUIDE
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SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
MODEL LIST
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1000 MODEL
1215R 07 2218R 05 2245R 55
1215WC 12 2218RGL 04 2245DC 54
1224BEV 13 2218WC 06 2245WC 56
1224DWR 08 2224BEV 00 2260DC 50
1224R 14 2224R 02 2260R 52
1224RF 09 2224RGL 01 2260RDC 51
1224RSOD 10 2224WC 03 2260WC 53
1224WC 15 2224ZWC 59 2260ZWC 58
CLR1215 18 ADA24R 17
CO1224F 19
1224FZR 11
INDICATOR
2000 (120V) MODEL
INDICATOR
2000 (230V) MODEL
INDICATOR
PROGRAMMING THE UNIT TO CORRECT
MODEL NUMBER
1. Disconnect the unit from power source.
2. Push and hold the U-Line button.
3. While still holding the U-Line button, plug the
unit into the appropriate power source.
4. When the flashing digits appear (3-5 seconds),
use the up and down arrow buttons to select the
appropriate model number*.
*(See Above “Model List”)
or
5. Press the light bulb button once.
6. The display will blink, and then will appear as the
programmed display.
Control Operation-Service
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USER GUIDE
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p
p
p
p
p
ut 5
DC
Out
ut 4
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DC
DC
DC
DC
Out
ut 3
Out
ut 2
Out
ut 1
Out
Compressor Light N/A N/A N/A N/A
Condenser
Fan
N/A N/A
N/A
Evaporator Fan
Light
Compressor
Condenser
Fan
Relay / Output Chart
Name Relay 2 Relay 3 Relay 4 Relay 5 Relay 6 Relay 7
Control Operation-Service
1215R N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
N/A
N/A
N/A N/A N/A N/A Compressor Top Light Evaporator Fan Condenser Fan N/A Bottom Light
Mullion
Heater
1215WC N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
124BEV N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
1224DWR
1224R N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
1224RF N/A N/A Pan Heater Hot Gas Valve N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
1224RSOD N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
1224WC N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
ADA24R N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
CLR1215 N/A Pump Water Valve Hot Gas Valve
CO1224F Ice Maker 2 Ice Maker 1 Pan Heater Hot Gas Valve N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2218R N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2218RGL N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2218WC N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2224BEV N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2224R N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2224RGL N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2224WC N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2224ZWC N/A N/A vl2 vl1 N/A Compressor Top Light N/A Condenser Fan N/A Bottom Light
2245R N/A Hot Gas Valve N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2245RDC N/A Hot Gas Valve N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2245WC N/A Hot Gas Valve N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2260DC N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2260R N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2260RDC N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
2260WC N/A N/A N/A N/A N/A Compressor Light Evaporator Fan Condenser Fan N/A N/A
Defrost Heater
N/A
2260ZWC N/A N/A vl2 vl1 N/A Compressor Top Light N/A Condenser Fan N/A Bottom Light
1224FZR
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USER GUIDE
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Thermistor Resistance Data
* (+/
- 5%)
Temp (F) Temp (C)
Nominal Resistance
(OHMS)*
-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
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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.
Both thermistors in the unit are identical. If a thermistor
is suspected of being defective, the resistance can be
veried. Place the thermistor in an ice water bath, the
resistance should read 16.1k Ohms +/-5% on your meter.
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 dielectric grease to all of
our thermistor connections. Dielectric grease will help to
keep thermistor connections clean and dry.
Evaporator Thermistor
If the evaporator thermistor fails, the unit will rely on a
preset defrost timer during defrost cycles. The unit will
otherwise operate normally. Refer to defrost section.
Thermistor Resistance Data
If you change a thermistor in the unit please re-apply
dielectric grease to the connection. If you encounter
a dirty thermistor connection, you should replace the
thermistor and the thermistor harness.
Thermistor error information can be found in the Control
Operations - Service section.
This unit has two thermistors.
Thermistor one (Zone):
Located along the right hand side wall. It is used to
maintain the operating temperature within that zone.
Thermistor two (Evaporator):
Located on the evaporator. It is used for defrost.
THERMISTOR FAILURE
Zone Thermistor
If the zone thermistor in the unit fails, the unit will
continue to cool in a backup mode (Self Preservation
Mode) to preserve the integrity of the contents. The unit
will otherwise operate normally.
Thermistor
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USER GUIDE
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Defrost
This unit defrosts every 12 hours of compressor runtime for 45 minutes. If you have veried that the unit does
not have an ambient air leak, utilize the Control Operation - Service section and adjust unit to defrost every 9
hours for 60 minutes. Also, adjust the #2 thermistor to -4 instead of 0.
Defrost
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USER GUIDE
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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 eciency.
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 modied 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.
In order to operate eciently, 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.
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 Cover
Screws
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.
13. Remove the 4 screws mounting the fan shroud to the
evaporator plate.
1. Remove any product from the unit.
2. Remove unit from cabinetry to access rear.
3. Disconnect power to the unit.
4. Remove back panel from unit.
5. Disconnect fan electrical connection at rear of unit.
Remove Fan and Cover
Air Flow
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USER GUIDE
14. Remove and replace fan. Take special care to properly
route fan wire.
NOTICE
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.
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18. Reinstall unit taking care to level, space and secure as
found.
Remove Fan and Cover
44
U-Line Corporation (U-Line) Limited Warranty
One Year Limited Warranty
For one year from the date of original purchase, this warranty covers all parts and labor to repair or replace any part of the product that
proves to be defective in materials or workmanship. For products installed and used for normal residential use, material cosmetic defects
are included in this warranty, with coverage limited to 60 days from the date of original purchase. All service provided by U-Line under the
above warranty must be performed by a U-Line factory authorized servicer, unless otherwise specified by U-Line. Service provided during
normal business hours.
Two Year Limited Warranty (5 Class Product)
For two years from the date of original purchase, this warranty covers all parts and labor to repair or replace any part of the product that
proves to be defective in materials or workmanship. For products installed and used for normal residential use, material cosmetic defects
are included in this warranty, with coverage limited to 60 days from the date of original purchase. All service provided by U-Line under the
above warranty must be performed by a U-Line factory authorized servicer, unless otherwise specified by U-Line. Service provided during
normal business hours.
Available Second & Third Year Limited Warranty
In addition to the standard one and two year warranties outlined above, U-Line offers a one year extension of the warranties from the date
of purchase, free of charge. To take advantage of this extension, you must register your product with U-Line within 60 days from the date
of purchase at u-line.com and provide proof of purchase.
Five Year Sealed System Limited Warranty
For five years from the date of original purchase, U-Line will repair or replace the following parts, labor not included, that prove to be
defective in materials or workmanship: compressor, condenser, evaporator, drier, and all connecting tubing. All service provided by U-Line
under the above warranty must be performed by a U-Line factory authorized servicer, unless otherwise specified by U-Line. Service
provided during normal business hours.
Terms
These warranties apply only to products installed in any one of the fifty states of the United States, the District of Columbia, or the ten
provinces of Canada. The warranties do not cover any parts or labor to correct any defect caused by negligence, accident or improper use,
maintenance, installation, service, repair, acts of God, fire, flood or other natural disasters. The product must be installed, operated, and
maintained in accordance with your product’s User Guide.
The remedies described above for each warranty are the only ones that U-Line will provide, either under these warranties or under any
warranty arising by operation of law. U-Line will not be responsible for any consequential or incidental damages arising from the breach of
these warranties or any other warranty, whether express, implied, or statutory. Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation or exclusion may not apply to you. These warranties give you specific legal
rights, and you may also have other rights which vary from state to state.
Any warranty that may be implied in connection with your purchase or use of the product, including any warranty of merchantability or any
warranty fit for a particular purpose is limited to the duration of these warranties, and only extends to five years in duration for the parts
described in the section related to the five year limited warranty above. Some states do not allow limitations on how long an implied warranty
lasts, so the above limitations may not apply to you.
• The warranties only apply to the original purchaser and are non-transferable.
• The second, third, and five year warranties cover products installed and used for normal residential or designated marine use only.
• The warranties apply to units operated outside only if designed for outdoor use by model and serial number.
• U-Line Commercial products are covered by the one year and 5 year limited warranties and are not eligible for the second and
third year limited warranties.
• Replacement water filters, light bulbs, and other consumable parts are not covered by these warranties.
• The start of U-Line’s obligation is limited to four years after the shipment date from U-Line.
• In-home instruction on how to use your product is not covered by these warranties.
• Food, beverage, and medicine loss are not covered by these warranties.
• If the product is located in an area where U-Line factory authorized service is not available, you may be responsible for a trip
charge or you may be required to bring the product to a U-Line factory authorized service location at your own cost and expense.
• Units purchased after use as floor displays, and/or certified reconditioned units, are covered by the limited one year warranty only
and no coverage is provided for cosmetic defects.
• Signal issues related to Wi-Fi connectivity are not covered by these warranties.
For parts and service assistance, or to find U-Line factory authorized service near you, contact U-Line:
8900 N. 55th Street, Milwaukee, WI 53223 • u-line.com • onlineservice@u-line.com •
+1.414.354.0300
Copyright © 2020 U-Line Corporation. All Rights Reserved. | Publication Number 30379 | 11/2020 Rev. O
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