Maytag MCE8000AY User Manual

This manual is to be used by qualified appliance technicians only. Maytag does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person.

Neptune DC

This Base Manual covers general information

Refer to individual Technical Sheet

for information on specific models

This manual includes, but is

not limited to the following:

MCE8000AY MCG8000AW

16022785

Revision 0

November 2003

Important Information

Important Notices for Servicers and Consumers

Maytag will not be responsible for personal injury or property damage from improper service procedures. Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service. Products should be serviced only by a qualified service technician who is familiar with the safety procedures required in the repair and who is equipped with the proper tools, parts, testing instruments and the appropriate service information. IT IS THE TECHNICIANS RESPONSIBLITY TO REVIEW ALL

APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS.

To avoid risk of severe personal injury or death, disconnect power before working/servicing on appliance to avoid electrical shock.

To locate an authorized servicer, please consult your telephone book or the dealer from whom you purchased this product. For further assistance, please contact:

Customer Service Support Center

CAIR Center

Web Site Telephone Number

WWW.AMANA.COM .................................................1-800-843-0304

WWW.JENNAIR.COM ...............................................1-800-536-6247

WWW.MAYTAG.COM...............................................1-800-688-9900

CAIR Center in Canada ............................................ 1-800-688-2002

Amana Canada Product ............................................1-866-587-2002

WARNING

Recognize Safety Symbols, Words, and Labels

DANGER

DANGER—Immediate hazards which WILL result in severe personal injury or death.

WARNING

WARNING—Hazards or unsafe practices which COULD result in severe personal injury or death.

CAUTION

CAUTION—Hazards or unsafe practices which COULD result in minor personal injury, product or property

damage.

Table of Contents

Important Information ...................................................... 2

Important Safety Information ........................................... 4

General Information

Model Identification ..................................................... 8

Serial Label Location ...................................................8

Model Nomenclature ................................................... 9

Model Specifications ................................................. 10

Troubleshooting Procedures

Trouble Shooting General Symptoms ....................... 11

Read Sensor Inputs ................................................... 12

Membrane Keypad Utility .......................................... 13

Upper/Lower Dryer Sub-System Check .................... 13

Accessing Diagnostic Codes .................................... 13

Diagnostic Codes ...................................................... 14

Reset to Factory Default Conditions ......................... 14

Sensor Bar Diagnostics ............................................ 15

Consumer Codes ...................................................... 15

View Cycle Statistics ................................................ 15

Membrane Pad Continuity Checks............................ 16

Logic Board Connectors ............................................ 17

Relay Header Connections ........................................ 18

Power And Relay Board Connectors ......................... 18

Disassembly Procedures

Lower Door Reversal/Removal ................................... 19

Door Hook Removal ................................................... 19

Shaker Removal ........................................................ 19

Console Removal ...................................................... 20

Logic Board Removal ................................................ 21

Front Access Panel Removal .................................... 21

Tumbler Drum Removal ............................................. 23

Heater Assembly Removal ........................................ 23

Relay Board Removal ................................................ 24

Blower And Motor Removal ....................................... 24

Water Valve Removal ................................................ 25

Steamer Blower Removal .......................................... 25

Steamer Heater Removal ........................................... 26

Appendix A

Installation Instructions ............................................. 28

Appendix B

Use And Care ............................................................ 41

Important Safety Information

WARNING

To avoid risk of fire, electric shock, serious injury, or death when using your dryer, follow these basic precautions:

1. Read all instructions before using dryer.

2. Install dryer according to Installation Instructions. Refer to the Grounding Instructions in the Installation Instructions for proper grounding of the dryer.

3. Do not dry articles that have been cleaned in, washed in, soaked in, or spotted with gasoline, dry-cleaning solvents, or other flammable or explosive substances. Vapors could ignite or explode.

4. Do not use dryer to dry clothes which have traces of any flammable substance, such as vegetable oil, cooking oil, machine oil, flammable chemicals, thinner, etc., or anything containing wax or chemicals, such as mops and cleaning cloths. Flammable substances may cause fabric to catch fire by itself.

5. Do not store or use gasoline or other flammable vapors and liquids near this or any other appliance.

6. Do not allow children to play on or in dryer. Close supervision of children is necessary when dryer is used near children, a safety rule for all appliances.

7. Before dryer is removed from service or discarded, remove doors to drying compartment.

8. Do not reach into dryer if cylinder is revolving.

9. Do not install or store dryer where it will be exposed to water and/or weather.

10. Do not tamper with dryer controls.

11. Do not repair or replace any part of dryer or attempt any service, unless specifically recommended in user-maintenance instructions or in published user-repair instructions that you understand and have skills to carry out, if you are a consumer.

12. To reduce risk of electric shock or fire, do not use extension cords or adapters to connect dryer to electrical power source.

13. Use the dryer only for its intended purpose, drying clothes.

14. Always disconnect dryer from electrical supply before attempting any service. Disconnect power cord by grasping the plug, not the cord.

15. Do not use heat to dry articles containing foam rubber or similarly textured rubberlike materials.

16. Always clean the lint filter after every load. A layer of lint in the filter reduces drying efficiency and prolongs drying time.

17. Use only fabric softeners or products to eliminate static that are appropriate for automatic dryers.

18. Keep your dryer in good condition. Bumping or dropping dryer can damage safety features. If damage occurs, have dryer checked by qualified service technician.

19. Replace worn power cords and/or loose plugs.

20. Do not tumble fiberglass curtains and draperies unless the label says it can be done. If they are dried, wipe out the cylinder with a damp cloth to remove particles of fiberglass.

21. Always read and follow manufacturer’s instructions on packages of laundry aids. Heed all warnings or precautions. To reduce risk of poisoning or chemical burns, keep products away from children at all times, preferably, in a locked cabinet.

22. Never operate dryer with guards and/or panels removed.

23. Do not operate dryer with missing or broken parts.

24. Do not bypass safety devices.

25. Keep area around the exhaust opening and adjacent surrounding areas free from accumulation of lint, dust, and dirt.

26. Interior of dryer and exhaust duct should be cleaned periodically by qualified service personnel.

27. Dryer will not operate with loading door open. DO NOT bypass door safety switch by permitting dryer to operate with door open. Dryer will stop tumbling when door is opened. Do not use dryer if it does not stop tumbling when door is opened or starts tumbling without pressing or turning the START mechanism. Remove the dryer from use and call the service person.

28. Remove laundry immediately after the dryer stops.

29. ALWAYS follow the fabric care instructions supplied by the garment manufacturer.

Save These Instructions

Important Safety Information

WARNING

The California Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65) requires the Governor of California to publish a list of substances known to the State of California to cause cancer or reproductive harm and requires business to warn consumers of potential exposures to such substances. Users of this appliance are hereby warned that the burning of gas can result in low-level exposure to some of the listed substances, including benzene, formaldehyde and soot, due primarily to the incomplete combustion of natural gas or liquid petroleum (LP) fuels. Exhaust ducts should be kept free of obstructions and properly exhausted dryers will minimize exposure.

Electrical Service Information

Electrical Dryers

• 240 VAC, 60 Hz, 30 Amps, 3–wire or 4–wire installations

Gas Dryers

• 120 VAC, 60 Hz, 20 Amps, 3–wire installations

WARNING

To avoid risk of personal injury or death due to electrical shock:

• Observe all local codes and ordinances.

• Disconnect electrical power to unit before servicing.

• Ground appliance properly.

• Check with a qualified electrician if you are not sure this appliance is properly grounded.

• DO NOT ground to gas line.

• DO NOT ground to cold water pipe if pipe is interrupted by plastic, non-metallic gaskets, or other insulating (non-conducting) materials.

• DO NOT modify plug on power cord. If plug does not fit electrical outlet, have proper outlet installed by qualified electrician.

• DO NOT have a fuse in the neutral or ground circuit. A fuse in the neutral or ground circuit could result in an electrical shock.

• DO NOT use an extension cord with this appliance.

• DO NOT use an adapter plug with this appliance.

• DO NOT pinch power cord.

Gas Connection Information

About Ground Wires

In the event of an electrical short circuit, a ground wire reduces the risk of electric shock by providing an escape wire for the electric current. Standard accepted color coding for ground wires is green or green with a yellow stripe. Grounding wires and wires colored like grounding wires are NOT to be used as current carrying conductors.

WARNING

To reduce the risk of fire, electric shock, serious injury or death, all wiring and grounding must conform with the latest edition of the National Electric Code, ANSI/ NFPA 70, or the Canadian Electrical Code, CSA C22.1, and such local regulations as might apply. It is the customer’s responsibility to have the wiring and fuses checked by a qualified electrician to make sure your home has adequate electrical power to operate the dryer.

WARNING

To avoid death, personal injury or property damage, from fire or explosion, information in this manual must be followed exactly.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

WARNING

To reduce the risk of fire and exposure to combustion gases, the dryer MUST be exhausted to the outdoors. DO NOT exhaust dryer air into a window well, gas vent, chimney or enclosed, unventilated area, such as an attic, wall, ceiling, crawl space under a building or concealed space of a building.

Important Safety Information

For proper operation at altitudes above 2,500 feet

The natural gas valve spud orifice size must be reduced to ensure complete combustion. See table.

Altitude

Ft (M)

3000 (915) 43 503778 6000 (1830) 44 58719 8000 (2440) 45 503779 9000 (2740) 46 503780 10000(3050) 47 503781

Orifice

Size #

Part

number

Gas Connection

Connect gas supply to dryer using a new stainless steel

flexible connector or hard pipe (check local codes) according to illustration. Test for leaks and check burner flame after gas supply is connected.

• Dryer must be connected to type of gas as shown on nameplate located in the door recess.

• Use pipe joint compound insoluble on LP (propane) Gas, or Teflon tape, on all pipe threads.

• Purge air and sediment from gas supply line before connecting it to the dryer. Before tightening the connection, purge remaining air from gas line to dryer until odor of gas is detected. This step is required to prevent gas valve contamination.

Use a new stainless steel flexible connector only if allowed by local codes (use A.G.A. certified connector).

1/8" NPT pipe plug (for checking inlet

3/8" NPT gas

gas pressure)

connection

Install Equipment shut-off valve

within 6' (1.8 m) of dryer.

Black iron piping:

• Shorter than 20’ (6.1 m) – use 3/8” piping

• Longer than 20’ (6.1) m) – use 1/2” piping

Testing for Gas Leaks

After final gas connection is made, turn on manual gas valve and test all connections in gas supply piping for gas leaks. Leak testing of the appliance shall be conducted according to the manufacturer’s instructions.

1. Place soap suds on connections.

2. If bubbles appear, a leak is present. Shut off gas

supply valve.

3. Tighten joint if leak is at factory fitting.

• If leak is not at factory fitting, unscrew, apply more

joint compound, and tighten to correct leak.

4. Retest connection for leak after tightening or adding joint compound.

• Retest any connections that were disturbed.

L.P./Propane

DO NOT connect dryer to L.P./Propane gas service without converting the gas valve. A Sales Accessory L.P./ Propane Gas Conversion Kit 63-6766 must be installed.

General Information

Service

Keep a copy of sales receipt for future reference or in case warranty service is required. To locate an authorized servicer:

• For Maytag/Jenn-Air product call 1-800-462-9824 or visit the Web Site at www.maytag.com or www.jennair.com

• For product in Canada call 1-866-587-2002 or visit the Web Sites at www.maytag.com or www.jennair.com

Warranty service must be performed by an authorized servicer. We also recommend contacting an authorized servicer, if service is required after warranty expires.

Model Identification

Complete registration card and promptly return. If registration card is missing:

• For Maytag product call 1-800-688-9900 or visit the Web Site at www.maytag.com

• For product in Canada call 1-866-587-2002 or visit the Web Sites at www.maytag.com or www.jennair.com

When contacting provide product information located on rating plate. Record the following: Model Number: ____________________ Manufacturing Number: ____________________ Serial or S/N Number: ____________________ Date of purchase: ____________________ Dealer’s name and address: ____________________

Parts and Accessories

Purchase replacement parts and accessories over the phone. To order accessories for your product call:

• For Maytag/Jenn-Air product call 1-800-462-9824 or visit the Web Site at www.maytag.com or www.jennair.com

• For product in Canada call 1-866-587-2002 or visit the Web Sites at www.maytag.com or www.jennair.com

Extended Service Plan

We offer long-term service protection for this new oven.

• Dependability PlusSM Extended Service Plan is specially designed to supplement Maytag’s strong warranty. This plan covers parts, labor, and travel charges. Call 1-800-925-2020 for information.

Serial Label is located in the upper left hand corner of the lower door opening.

General Information

Drying Center Nomenclature

Fuel

Listing

120V-60hz

240V-60hz

Color

White

Bisque

Drying Center Nomenclature

M C E 8 0 0 0 A Y W

Brand

A Amana C Magic Chief

G Graffer &

Sattler

H Hardwick

J Jenn-Air M Maytag N Norge U Universal

Y Crosley

Product Type

C Drying Center

W Y Z Canada 240V-60hz

Y 220-240 V / 50-60 Hz

W Q

G Gas E Electric

Marketing Code

This identifies which version of production the unit is.

Feature Content

8000 Feature Package

General Information

UPPER DRYING CABINET

egular150º F

Medium145º F

YING CENTER SPECIFICA

Capacity (cu. ft.)17.3 ControlsLED Drying SystemBreezeCare™

C.F. M.80

R W

Low140º F Extra Low110º F

Flat Dry Shelves5

LOWER TUMBLE DRYER

MODEL MCE/G8000

ControlsLED Drying SystemGentleBreeze™

C.F.M.170

Cycles4

Wrinkle Release•

Low140º F Extra Low125º F

Uncrated Dimensions: 33

Crated Dimensions: 36.8"w x 31.3"d x 76.3"h

Uncrated Weight: 245 lbs.

Crated Weight: 260 lbs.

TIONS

/ "w x 29"d x 74"h

Troubleshooting Procedures

! WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Troubleshooting Guide

Maytag Neptune™ Drying Center

•

Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit.

Will Not Run Will not start or run:

• All wires are hooked up to their corresponding terminals.

• Dryer is plugged in.

• Blown fuse or circuit breaker.

• Door switch functional...door closed.

• Poor connection between membrane switch and logic board, or faulty membrane switch. Use "Pd" utility to check function of membrane switch.

• Faulty motor relay, use diagnostic utilities to manually operate relay.

• Drive motor functional.

• Blown thermal fuse.

Motor runs/ tumbler will not turn:

• Belt off or broken/damaged.

• Idler tension spring too weak or stretched.

• Idler pulley jammed or stuck.

Runs a few minutes and then stops:

• Lint buildup around drive motor.

• Low voltage present.

• Blower impeller blocked in blower

housing.

• Drive motor - start switch contacts stuck closed.

Blows fuses or trips circuit breaker: Electric Models

• The amperage readings are at 240 volts. One line with 24 amps, and the other line with 21 amps. The neutral line will be at 3 amps. If the above amperages are present, then the house wiring, fuse box or circuit breaker should be suspected.

• Shorted heating element to housing.

• Incorrect wiring or a wire shorting to ground.

• Drive motor winding shorting to ground.

Gas Models

• During ignition the dryer will draw 7 amps. With the burner ON, the dryer will draw 3 amps. If the dryer is drawing amperages above this, then the house wiring, fuse box or circuit breaker is suspected to be at fault.

• Igniter harness loose and shorted to base.

• Incorrect wiring or wire shorted to ground.

• Open centrifugal switch in motor

• Drive motor winding shorting to ground.

Will Not Dry Will not heat (motor runs):

• Open heating element.

• Hi-Limit trips easily or is open.

• Faulty Thermistor.

• Faulty Heater Relays.

• Drive motor centrifugal start switch not allowing voltage to gas valve or heating element.

Will Not Dry (Gas Models) Poor Gas Ignition

When the dryer is operated on a heat setting, the igniter should be energized and burner shall fire within 45 seconds at 120 VAC. The failure of a component in this system will usually be indicated by one of three symptoms:

The igniter does not glow.

up, remove power and using an ohmmeter, check the following:

• Open flame sensor

• Open igniter

• Shorted booster coil

• Open wiring

Igniter glows - No gas ignition.

but the main burner flame is not ignited, remove power and using an ohmmeter, check the following:

• Open secondary coil

• Open holding coil

• Open wire harness

The gas is ignited but the flame goes out.

ignition takes place and after a short while the flame goes out, check for the following:

• Radiant sensor contacts opening

prematurely.

• Weak gas valve coil may open when

stressed by higher temperatures.

Improper drying/clothes wrinkled/ rough texture/long dry time:

• Lint filter is not clean.

• Restriction in exhaust.

• Outside exhaust hood damper door stuck closed.

• Exhaust too long, too many elbows, flex ductwork installed.

•

Poor makeup air available for the dryer.

•

Incorrect tumbler speed. Tumbler belt slipping.

• Blower impeller bound; check for foreign material in blower area.

• Customer overloading dryer.

• Check clothing labels for fabric content and cycle selected.

• Gas valve coil opens - weak point in coil opens when stressed under heated conditions.

If the igniter does not heat

If the igniter heats up

If a normal

Troubleshooting Procedures

invalid selection chime.

the sensor display menu. The sensor value appears on

WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

• Clothes too wet due to insufficient spin out by washer.

• Faulty Sensor Bar. See Sensor Bar diagnostic section.

Note: Pressing the Off button exits the Diagnostic State and places the control board in the Sleep State.

Troubleshooting the Sensor-Dry circuit:

• Check for incorrect wiring of the electrical connector at the electronic control board.

Dryer runs for 2 minutes, jumps to a 1-minute cool

down and then stops. Open Sensor Dry circuit. Check Sensor Bar. Refer to Sensor Bar Diagnostics section.

• Dryer does not shut off. Check sensor for continuity. If found, replace sensor bar or clean with alcohol. Some fabric softener sheets will coat the sensor bars.

Noisy and/Or Vibration

• Thumping. Check for loose tumbler baffle, rear tumbler roller(s) worn or misaligned, out-of-round tumbler or high weld seam on tumbler.

• Ticking. Check for loose wire harness or object caught in blower wheel area.

• Scraping. Check for front or rear bulkhead felt seal out of position or worn tumbler front bearings.

• Roaring - Check for blower wheel rubbing on blower

housing or bad motor bearings.

• Popping or squealing sound. Check for a sticky or frayed belt.

System Check Mode

The Diagnostic State provides a set of utilities not intended for use by the consumer. Diagnostic State utilities provide specialized functions for performance evaluation and service. Upon recovery from a power failure, the Drying Cabinet always returns to the Normalprogram State. Any Diagnostic State utility active prior to

Diagnostic State Menu

Enter a menu item by using the Time Adjust ^or v arrows to see the letter code desired and press Signal

(+). NOTE: * indicates a submenu with further explanation

given below.

Menu Description

dd Beginning of Diagnostic State Menu

cc Factory Use Only

cd Clear Diagnostic Codes

ch Clear Help Codes

******cS

****dL

FS Factory Use Only

hL View Help Code List

Lo Logic Board Output Self-test (Display

pc Factory Use Only

*Pd

**rd

***Sc

SF Software Version

rS Reset to Factory Default Conditions

View Cycle Counts

View Diagnostic Code List

will show “PASS” “PASS” or “FAIL” “FAIL”

Membrane Key Pad Utility

Read Sensor Inputs

Sub-system Check

the power failure is effectively cancelled.

rd**Read Sensor Inputs

To enter the Diagnostic State from the Normal Program State on the upper or lower dryer half of the keypad, press the Signal (+) button and Time Adjust ^ simultaneously for five (5) seconds. Upon entry to the Diagnostic State, the corresponding 7-segment display shows “dd”. Attempts to enter the Diagnostic State while a dryer cycle is active causes the invalid selection chime to sound.

This utility allows the user to enable or disable the display of sensor input values. Once enabled, the user exits the Diagnostic State and the 7-segment display used to make the selection alternates between the sensor value and the time remaining. All other features operate as normal. It is not necessary to start a cycle for the sensor value to begin displaying. The user may display lower dryer values on the upper dryer half of the keypad with the converse also allowed.

After 10 minutes of inactivity the diagnostic state will be canceled, and the machine will return to normal operation. To exit the Diagnostic State, press the Signal (-) button.

Either half of the keypad may be used to request the Diagnostic State. Once initiated, all key entries must be made from the same half of the keypad. The LED indicators and 7-segment displays on the remaining half of the keypad are extinguished. Any key presses to the unused portion of the keypad are ignored and sound the

After exiting the Diagnostic State with the sensor display function enabled, the 7-segment display continuously cycles through a 4-step sequence. Each step lasts 1.5 seconds. The sequence consists of the following:

“n=” appears to indicate that the next value is the time remaining. The time remaining value appears on the display.

“xx=” appears to indicate that the next value is from the selected sensor. Where “xx.xx” is the item selected from

Troubleshooting Procedures

WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Example:

1) To read measured temperature, scroll to “rd” on the menu and press Signal (+).

2) Upon entry to the utility, “OFF” appears on the display.

3) Using the Time Adjust v arrow button scroll to “Ld” menu item from the Table.

Note: To exit the utility before running a test, press Signal (-). The display will show “rd”. To exit diagnostics press, Signal (-) again. The display will show “dd”.

4) Press Signal (-) twice to initiate the menu item.

5) Time and Temperature are displayed.

6) Press “OFF” to exit the test.

Sensor Display Menu

OFF Sensor display disabled NA

Ld Lower Dryer Outlet

Ud Upper Dryer Outlet

uS Upper Dryer Door

LE Lower Dryer Heater

LS Lower Dryer Door

*****db Lower Dryer Sensor Bar On or OFF (On = hit detected)

SP Spare Thermistor Input Degrees Fahrenheit

Description Displayed Value

Degrees Fahrenheit

Temperature

Degrees Fahrenheit

Temperature

On or OFF (On = door open)

Switch

On or OFF (On = energized)

Energized

On or OFF (On = door closed)

Switch

Pd*Membrane Keypad Utility

To select the Membrane Keypad utility, scroll to “Pd” on the menu and press Signal (+). Upon entry to the utility, all LED indicators and 7-segment display LED elements illuminate. Pressing each key extinguishes one or more of the keypad indicators or 7segment display LED elements. All the keys must function properly to extinguish all the LED elements. The LED extinguished may not be adjacent to the keypad pressed. Do not press Signal (-) or you will exit the utility.

To exit the utility and return to the menu, press Signal (-). Upon return to the Main Menu, “Pd”. To check Membrane Pad with ohm meter see chart.

Sc***Upper and Lower Dryer Sub-system Check

Utilities

To view the Sub-system Check Utility menu, scroll to “Sc” on the main menu and press Signal (+).

To exit the Sub-system Check Utility Menu and return to the Main Menu, press Signal (-) at any of the menu items. Upon return to the Main Menu, “Sc” appears on the display. Upon entry to the Sub-system Check Utility Menu, “SU” appears on the display.

Sub System Check Menu

Menu Description

Su Beginning of Menu

bo Operate Upper Dryer Blower Motor

Fd Operate Lower Dryer Motor

hr Operate Upper Dryer Heater and Blower (Temp

displayed opposite side)

hh Operate Lower Heater and Blower at High Wattage

(Temp displayed opposite side)

hL Operate Lower Heater and Blower at Low Wattage

(Temp displayed opposite side)

So Operate Upper Dryer Shaker Motor

ho Operate Upper Dryer Blower, Heater and Water Valve

d1 Unused

d2 Operate Wax Motor for Upper Dryer Damper

Diagnostic Codes:

The diagnostic/help code information displayed provides information about the machine. Any abnormalities monitored by the board will be identified as either a Help or Diagnostic code. Diagnostic Codes will be logged and stored in permanent memory (maximum nine in the list). A Diagnostic Code is logged when there is a problem with the system. It may be recommended the machine be serviced. Software checks for open or shorted thermistors and door switch failures only during active cycles. Software continuously checks for stuck button conditions. “Stuck Button” fault detection uses the lower dryer cycle count when logging a diagnostic code. Fault detection logs a code once after initially detecting a fault. A fault must clear before logging additional occurrences.

dL****Accessing Diagnostic Codes

To view the Diagnostic Codes List, scroll to “dL” on the menu and press Signal (+). Upon entry to the utility, “SOL” appears on the display indicating start of list. Use the Time Adjust ^ (up arrow) and Time Adjust v (down arrow) buttons to step through the list. The display shows “End” after the last entry in the list is reached. Attempts to step past the beginning or end of the list cause the invalid selection chime to sound.

cd To select the Clear Diagnostic Codes utility, scroll to

“cd” on the menu and press Signal (+). Upon entry to the utility, “cL” appears on the display. Press Signal (+) again to clear all Diagnostic Codes for both the upper and lower dryer. The message “AC” appears on the display to indicate All Clear after the clear function completes. To exit the utility and return to the menu, press Signal (-). Upon return to the Main Menu, “cd” appears on the display.

Troubleshooting Procedures

WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Diagnostic Codes

Reset to Factory Default Conditions

Description Trigger Action Taken

Code

SOL Start of list

1 Lower Dryer

Thermistor Short Sensed

2 Lower Dryer

Thermistor Open Sensed

3 Lower Dryer

Door Circuit Failure

Not Used

6 Non Volatile

Memory

8 Stuck Button A button sensed as

9 Not Used

10 Not Used

11 Upper Dryer

Thermistor Short Sensed

12 Upper Dryer

Thermistor Open Sensed

13 Upper Dryer

Door Circuit Failure

If temperature > 200 degrees for 2 minutes.

If the temperature is low with an increase of temperature expected, and no increase occurring after 3 minutes.

Low for more than 1 second.

Problem Detected with integrity of parameters stored in EEPROM memory.

pressed more than 75 seconds, is assumed as stuck.

If temperature > 200 degrees for 2 minutes.

If the temperature is low with an increase of temperature expected, and no increase occurring after 3 minutes.

Low for more than 1 second.

Check for:

Clogged lint screen.

Restricted vent

system. Failed thermistor Check for:

Low ambient

temperature in

room (Below

50°F/10°C).

Outside vent

damper is stuck

open in

wintertime. Loose or open wire terminals Check for:

- Loose or open wire terminals in Door Sense circuit.

Disregard

Check for:

- Run membrane pad check and replace console w/membrane pad if necessary..

Check for:

Failed hi-limit

thermostat on

steamer.

Failed thermal

fuse on heater. Failed thermistor Check for:

Low ambient

temperature in

room (Below

50oF/10oC).

Check door vent

seals. Loose or open wire terminals on steamer circuit. Check for:

- Loose or open wire terminals

Step 1 From the Normal Program State, press the

Signal (+) button and Time Adjust • to enter the Diagnostic State from the upper or lower dryer keypad.

Step 2 Scroll to the “rS” display on the menu and press

Signal (+). The number “004” appears on the display to indicate the number of remaining steps needed to complete the reset sequence.

Step 3

and leave open the

Open

Lower Dryer Door

The remaining step count decrements to “003” on the display.

Step 4 Press the Time Adjust • and Time Adjust ‚

at the same time. The remaining step count decrements to “002” on the display.

Step 5 Press the Temperature • and Time Adjust ‚

at the same time. The remaining step count decrements to “001” on the display.

Step 6

the

Lower Dryer Door

. The remaining step count decrements to “000” once the Factory Default settings have been restored. The "Power On Reset" sequence then executes.

The remaining step count resets to four and the invalid selection chime sounds when any of the following conditions occur:

• A reset step is performed out of sequence.

• An unexpected key combination is entered.

The time window expires.

Opening the door to complete the first step marks the beginning of the time window.

This function does

clear either of the upper or lower

not

dryer cycle counters. All other parameters stored in nonvolatile memory are returned to the Factory Default values.

The Reset Utility functions the same regardless of which half of the keypad it is initiated from. Once the utility is initiated, all key combinations must be made from the same half of the keypad used to initiate the utility.

The Signal (-) key exits the Reset Utility and returns to the “rS” display on the main menu. Pressing the Signal (-) key any time prior to completion of the reset sequence cancels the sequence and then returns to the main menu.

To restore Factory Default settings for the dryer controls, complete the following sequence within one (1) minute.

Troubleshooting Procedures

! WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

“HP”

db*****Sensor Bar Diagnostics

Enter The Diagnostic Utilities Menu

1) The controls will not enter the Diagnostic State if a cycle is active or paused for either dryer. Push the

Off

key to cancel an active or paused dryer cycle.

Time Up-arrow

Push

“dd”

appears in the display.

2) Use

3) Scroll to

4) Use

5) Scroll to

6) With

7) Push

8) The Display cycles

9) The dryer may be operated as normal with the Read

10) The display shows

11) Either half of the membrane switch may be used to

Cancel the Read Sensor Display Function

1) Push the

2) Push the

3) Placing both upper and lower dryer controls in the

Codes Visible To The Consumer.

The following help codes could appear on the display and may need further investigation.

Time Up-arrow

through the utility menu.

“rd”

and push sensor display menu. to indicate an input sensor has not been selected yet for the Read Sensor Display Function.

Time Up-arrow

through the input sensor menu.

“db”

to select the Dryness Bar input for

display.

“db”

shown on the display, exit the input sensor menu by pushing display.

Signal (-)

menu and view the sensor bar status.

short across the dryness bars or open circuit between the dryness bars.

Sensor Display active. The alternating display is the normal time remaining value for the dryer display.

makes contact with the sensor bars.

display any input with the Read Sensor Display Function. The half of the membrane switch used to enable the Read Sensor Display function also determines where the sensor display appears.

Off

upper dryer controls in the Sleep State. The Sleep State extinguishes all the LED indicators and numerical displays.

Off

lower dryer controls in the Sleep State.

Sleep State cancels the Read Sensor Display Function.

“PF”

A power failure occurred during an active or paused cycle. Consumer may push the "Start/Pause" key to resume the interrupted cycle or push the "Off" key to cancel the interrupted cycle and start over with a new cycle.

Signal (-). “rd”

again to exit the diagnostic utility

“n=x:xx”

“db = On”

key for the upper dryer to place the

key for the lower dryer to place the

Signal (+)

and

Time Down-arrow

and

Signal (+)

“OFF”

Time Down-arrow

and

to enter the

appears on the display

appears in the

, then

“db = OFF”

“n=x:xx”

when damp clothing

for 5 seconds.

to scroll

“db = On”

with an

portion of the

with a

normal operation signal. During the Wrinkle Prevent phase of the cycle, the output animation shows 1 segment moving around the perimeter of the display. During the continuous tumble portion of Wrinkle Prevent, the animation is constant. After 20 minutes of continuous tumble, the Wrinkle Prevent intermittent phase begins where the dryer tumbles for 10 seconds out of every 5 minute interval. During this phase the display shows the segment moving, and stopping momentarily. This pattern continues until the Wrinkle Prevent phase ends.

cS******

To view the Cycle Statistics scroll to “cS” the menu and press

Upon entry to the utility “cu” appears indicating beginning of menu. Scroll to the menu item you want to view by pressing item buy pressing

Cycle Statistics Menu Menu Description

cu Beginning of Menu Lc Lower Dryer Cycle Count Lh Lower Dryer Cycle Hours Uc Upper Dryer Cycle Count Uh Upper Dryer Cycle Hours

The thermistor reading is out of range and the dryer cycle is interrupted. Consumer may push the "Off" Key and attempt to run the cycle again. If the condition persists, a service technician should check for a thermistor malfunction or a wiring problem with the thermistor circuit. Diagnostic Codes and look for code 1 or 2. See Diagnostic Codes chart.

“h1”

A temperature increase has not been detected on the lower dryer and the dryer advances to Cooldown. Consumer may check for a blocked vent.

Service Technician

blocked vent, cool air leaking into drum, poor seal between drum and blower, bad connection on igniter sense signal to control board, thermistor malfunction.

“h11”

A shaker assembly neutral fault has been detected. Shaker relay is de-energized and the cycle continues as normal without the shaker.

Technician

circuit to the shaker assembly.

“Wrinkle Prevent”

Signal (+)

check for a bad connection in neutral

View Cycle Statistics

Time Adjust ^

Signal (+)

Service Technician

check for heater not functioning,

This is not a fault code but a

Time Adjust v

view the

Service

. Enter a menu

Troubleshooting Procedures

! WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Membrane Pad Continuity Checks

Membrane shown with console tipped forward for service.

Manual Membrane Pad Check NOTE: Unplug connector and touch probe of meter to the appropriate pin numbers. Meter will show infinity on open

keys and 500 ohms or less on closed keys.

Location Description Plug Number Pin Number

Upper Dryer Cycle Selection Dry Wet Clothes J2B 7,10 Upper Dryer Cycle Selection Refresh Dry Clothes J2B 5,10 Upper Dryer Temp. Selection Up Arrow J2B 7,9 Upper Dryer Adjust Drying Time Increase Time J2B 8,12 Upper Dryer Adjust Drying Time Decrease Time J2B 7,12 Upper Dryer Options Wrinkle Release J2B 7,11 Upper Dryer Options Remove Odor J2B 6,11 Upper Dryer Options Add Fragrance J2B 5,11 Upper Dryer Commands Start/Pause J2B 6,12 Upper Dryer Commands Off J2B 5,12 Lower Dryer Cycle Selection Sensor Dry J1B 5,12 Lower Dryer Cycle Selection Time Dry J1B 6,12 Lower Dryer Cycle Selection Wrinkle Release J1B 7,12 Lower Dryer Cycle Selection Air Fluff J1B 8,12 Lower Dryer Temp. Selection Up Arrow J1B 7,9 Lower Dryer Adjust Drying Time Up Arrow J1B 5,9 Lower Dryer Adjust Drying Time Down Arrow J1B 6,9 Lower Dryer Options Wrinkle Prevent J1B 5,10 Lower Dryer Options Damp Dry Signal J1B 6,10 Lower Dryer Commands Start/Pause J1B 5,11 Lower Dryer Commands Off J1B 6,11 Audible Signal Volume Decrease Volume J1B 8,11 Audible Signal Volume Increase Volume J1B 7,11

Pin Number

J1A

J1B

J2A

J2B

Plug Number

Troubleshooting Procedures

WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Logic Board Connectors

Connector

Name

J1A 1-12 Left Keypad connector A 12 VDC J1B 1-12 Left Keypad connector B 12 VDC J2A 1-12 Right Keypad connector A 12 VDC J2B 1-12 Right Keypad connector B 12 VDC J3

J6A

J10

J10A

J11A

Number

1 Lower dryer thermistor 5 VDC 2 Lower dryer thermistor 5 VDC 3 Lower dryer moisture sensor 24 VDC 4 Lower dryer moisture sensor 24 VDC 5 Spare thermistor source 5 VDC 6 Spare thermistor return 5 VDC 7 Upper exhaust air thermistor 5 VDC 8 Upper exhaust air thermistor 5 VDC 1 L1 to upper door switch 120 VAC 2 Upper door switch to Lamp 120 VAC 3 Chassis ground to logic board Ground 1 12 VDC power 12 VDC 2 Power Supply Common Common 3 24 VDC power 24 VDC 4 To shaker motor relay coil 12 VDC 5 To upper blower motor relay coil 12 VDC 6 To upper heater relay coil 12 VDC 7 To water valve relay coil 12 VDC 8 To spare relay coil 12 VDC 9 To upper exhaust damper relay

coil 10 To lower heater cycling relay coil 12 VDC 11 To lower heater center-tap relay

coil 12 To lower dryer motor relay coil 12 VDC 1 VCC from logic board 5 VDC 2 Serial transmit signal 5 VDC 3 Serial receive signal 5 VDC 4 Serial signal common DC GND 1 DC common DC GND 2 Reset Signal 5 VDC 3 Serial transmit signal for logic

board 4 VCC from logic board 5 VDC 5 Serial receive signal for logic

board 6 VPP from programmer box 1 L1 for use on logic board 120 VAC 2 Upper door switch power to lamp 120 VAC 3 Lower door switch signal 120 VAC 4 Gas igniter sense signal 120 VAC 5 Neutral for switched 120 VAC

signals

Description Voltage Comment/

12 VDC

5 VDC

120 VACN

Connector Part Number

DC connections to Power & Relay Board.

120 VAC connections to power & relay board.

Troubleshooting Procedures

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Relay Header Connections

Relay Name

Power and Relay Board Connectors

Connector

Name

J6B 1-12

J11B

Note: VACN is the neutral wire of a 120V supply.

Connector

Name

NO L1 to relay 120 VAC K9

COM L1 to lower dryer motor 120 VAC

NO L1 to relay 240 VAC K8

COM L1 to lower dryer heater center tap 240 VAC

NO L1 to relay 240 VAC K7

COM L1 to lower dryer 240 VAC

Number

1 L1 to shaker motor 120 VAC 2 L1 to upper cabinet lamp 120 VAC 3 Neutral to shaker & lamp assembly 120 VACN 4 Unassigned

See J6A in Logic Board Connectors Table

1 Neutral to Power & Relay Board 120 VACN 2 L2 to Power & Relay Board 120 VAC 3 Gas Igniter Sense 120 VAC 4 Lower Door Switch 120 VAC 5 L1 to Power & Relay Board 120 VAC 1 Relay to upper blower motor 120 VAC 2 Unassigned 3 Unassigned 4 Unassigned 5

1-5

Relay connects upper heater to L2

Relay to upper dryer damper

Spare relay output

Relay to water valve

Unassigned

Relay connects upper heater to L2

See J11A in Logic Board Connectors table (Pin #3 is not used).

Description Voltage

WARNING

5 & 12 VDC

120 VAC

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