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3-12

Whirlpool Compact Heat Pump Dryer

COMPONENT TESTING

For Service Technician Use Only

TEST #5: Moisture Sensor (SEH)

This test is performed when an automatic cycle stops too

soon, or runs much longer than expected.

NOTE:

Dryer will shut down automatically after 4 hours and 10

minutes.
The following items are part of this system:

Part of Moisture System

Heat Pump Dryer

Harness/connection

Metal sensor strips

Appliance Control Unit (ACU)

NOTE:

Refer to strip circuit below to diagnose moisture sensor.

1. Unplug dryer or disconnect power.
2. Remove top panel, left side panel, and console to access

the machine electronics.

3. Access moisture sensor inside front of drum to verify

continuity between moisture sensor in drum and J11-3

(blue wire) pin on ACU.

NOTE:

You may need to clean

sensor strip in drum before testing.

Verify continuity between J11-1 (green wire) pin on

ACU and ground screw on cabinet.

Verify continuity across J11-1 and J11-3 connectors.

If continuity is found in the steps above, proceed to

step 5. If no continuity, proceed to step 4.

4. Remove front panel and check J11-3 wire connection to

moisture sensor in drum (connector is located below the

door opening between the front panel and bulkhead) and

J11-1 wire connection to cabinet. If still no continuity,

replace the main harness.

5.  Reassemble all parts and panels.
6.  Plug in dryer or reconnect power.
7.  Run the moisture sensor diagnostic test (Service Test

Cycle step S04; see pages 3 and 4). If the moisture sensor

diagnostic test passes (no F03 error code), check the

outlet thermistor: see TEST #4c, page 17.

If the problem persists after replacing the moisture

sensor and thermistor, consider adjusting the dryness

level (see TEST #5a: Adjusting Customer-Focused

Dryness Level).

8. If the preceding steps did not correct the problem, replace

the ACU.

WARNING

Electrical Shock Hazard

Disconnect power before servicing.

Failure to do so can result in death or
electrical shock.

Replace all parts and panels before operating.

MOISTURE (HUMIDITY) SENSOR STRIP CIRCUIT

ACU

MOISTURE SENSOR

J11-3

J11-1

MOISTURE SENSOR

ISOLATED METAL STRIP

0 to 15 M

Ω

G-Y

MOV

HUMIDITY

SENSOR

HUMIDITY

SENSOR

CHASSIS GND

Figure 2 - Moisture Sensor Strip Circuit

CONNECTOR LOCATION (ACU TOP)

Figure 1 - Moisture Sensor Connector (SEH)

3$*(

FOR SERVICE TECHNICIAN’S USE ONLY

DO NOT REMOVE OR DESTROY

TROUBLESHOOTING TESTS

IMPORTANT:

The following procedures

may require the use of needle probes

to measure voltage. Failure to use needle

probes will damage the connectors.

TEST #1: ACU Power Check

This test is used to determine if power is

present at the machine control electronics.

This test assumes that proper voltage is

present at the outlet.

Unplug dryer or disconnect power.

Check for appropriate line voltages at the

outlet: 240VAC (electric 2-phase) or 208VAC

(electric 3-phase).

If line voltage is present, go to step 3.

If line voltage is not present, check for

tripped circuit breaker or blown household

fuse. If CB (circuit breaker) is not tripped,

have customer check with qualified

electrician.

Remove top panel, left side panel, and

console to access the machine electronics.

ACU VAC

– With voltmeter set to

connect black probe to ACU J13-2 (L2) and

red probe to J13-1 (L1). (See Figure 2.)

Plug in dryer or reconnect power.

If 240VAC is present, unplug dryer or

disconnect power and go to step 5.

If 240VAC is not present, unplug dryer or

disconnect power and perform TEST #2:

Supply Connections, page 13.

ACU +5VDC

– With voltmeter set to

unplug connector

J17

from the ACU and

connect black probe to ACU J17-4 (ground)

and red probe to J17-2 (+5VDC). Plug in

dryer or reconnect power.

If +5VDC is present, unplug dryer or

disconnect power and go to step 8.

If +5VDC is not present, go to step 6.

Unplug dryer or disconnect power. Unplug

and

from the ACU. Plug in dryer or

reconnect power and repeat step 5.

If +5VDC returns, one of the thermistors

has shorted. To diagnose thermistors,

see TEST #4c, page 17.

If +5VDC is not present, go to step 7.

Unplug dryer or disconnect power.

Reconnect

and

to the ACU and unplug

J17

from the ACU. Plug in dryer or reconnect

power and repeat step 5. Perform voltage

check inside header J17 on ACU, between pins

2 & 4—DO NOT SHORT PINS TOGETHER.

Figure 2 - ACU Connectors

& Pinouts

IF – RFI

FM – Fan

M – Motor

supply

DP – Drain

pump

HE – Heater/

Compressor

M – Motor Supply

J4-1 L1 Motor

J4-2 L2 Motor

FM – Fan

J2-1 L1

J2-3 L2

DP – Drain Pump

J3-1 L1

J3-3 L2

WI2 – User Interface

J17-1 VPOS

J17-2 +5VDC

J17-3 WIDE

J17-4 GND

SEH – Moisture Sensor

J11-1 Gnd

J11-3 Moisture Sensor

IF – RFI

J13-1 L1

J13-2 L2

HE – Heater (Condenser dryer)/

Compressor (HP dryer)

Condenser dryer HP dryer

J5-1 L2

J5-2 Heater 1

J5-2 Compressor

J5-3 Heater 2

WI1 – MCU Communication

J12-2 +12VDC

J12-3 IN/OUT

J12-4 GND

HX-SLE – Heat

Exchanger Switch

and Level Switch

J8-1 Heat Ex 1

J8-2 Heat Ex 2

J8-3 Float 1

J8-4 Float 2

SET1 – NTC Air Channel

J7-1 NTC Air 1

J7-3 NTC Air 2

SET2 – NTC Heater

J6-1 NTC Heat 1

J6-3 NTC Heat 2

WI2 – User

interface

SEH

WI1 – MCU communication

HX-SLE

SET1 SET2

Содержание 4.3 CU FT

Страница 1: ...L 93 SERVICE MANUAL WHIRLPOOL 4 3 CU FT COMPACT HEAT PUMP DRYER W11040040A Multimedia Enhanced WHD3090GW WHD5090GW ...

Страница 2: ...de or Installation Instructions provided with the washer GOALS AND OBJECTIVES The goal of this Service Manual is to provide information that will enable the In Home Service Professional to properly diagnose malfunctions and repair the WHIRLPOOL COMPACT HEAT PUMP DRYER The objectives of this Service Manual are to Understand and follow proper safety precautions Successfully troubleshoot and diagnose...

Страница 3: ... TEST CYCLE 2 4 SERVICE TEST CYCLE CHART 2 5 EXITING SERVICE DIAGNOSTIC MODE 2 6 FAULT ERROR CODES 2 6 TROUBLESHOOTING GUIDE 2 8 SECTION 3 COMPONENT TESTING COMPONENT TESTING SAFETY INFORMATION 3 2 WIRING DIAGRAM 3 3 COMPONENT TESTING 3 4 TEST 1 ACU POWER CHECK 3 4 ACU BOARD CONNECTORS PINOUTS 3 5 TEST 2 SUPPLY CONNECTIONS IF 3 6 TEST 3 MOTOR CIRCUIT M 3 8 TEST 4 HEATING SYSTEM COMPRESSOR 3 9 TEST...

Страница 4: ...G THE DOOR ASSEMBLY DOOR COMPONENTS 4 8 REMOVING THE TOP SIDE PANELS 4 9 REMOVING THE INTERFERENCE FILTER 4 10 REMOVING THE CONSOLE USER INTERFACE 4 11 REMOVING THE APPLIANCE CONTROL UNIT ACU 4 12 REMOVING THE WATER TANK HOUSING 4 13 REMOVING THE DRIVE MOTOR 4 14 REMOVING THE DRAIN PUMP FLOW SWITCH AND FAN ASSEMBLIES 4 15 REMOVING THE FRONT PANEL 4 17 REMOVING THE DRUM 4 18 REMOVING THE FRONT BULK...

Страница 5: ...ection provides general safety parts and information for the Whirlpool Compact Heat Pump Dryer Dryer Safety Introduction General Theory of Operation Control Panel and Features Dryer Maintenance Model Serial Number Location Tech Sheet Location Model Serial Number Nomenclature Product Specifications ...

Страница 6: ...l you what can happen if the instructions are not followed Your safety and the safety of others are very important We have provided many important safety messages in this manual and on your appliance Always read and obey all safety messages This is the safety alert symbol This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety ale...

Страница 7: ...ory This technology allows direct access to dryer functions and even remembers the consumer s last cycle and settings to save them time Figure 1 Baffles Care for each garment with baffles that provide balanced tumbling for gentle perfect drying Cycles Refresh Cycle Refresh the load using the Refresh cycle so dry clean clothes are ready to wear without needing to be rewashed Wool Cycle Keep cozy dr...

Страница 8: ... condensing fluid known as a refrigerant The heat pump compresses the refrigerant to make it hotter on the side to be warmed and releases the pressure at the side where heat is absorbed Refer to the diagram below for the following operations 1 The refrigerant R134a in its gaseous state is pressurized heated and circulated through the sealed system by the compressor 2 The now hot and highly pressur...

Страница 9: ...e ACU Water Level Switch checks the water level in the sump If the tank is full the switch will be open If the tank is empty the switch will be closed The water level switch is connected to J8 on the ACU HX Filter Switch is a magnetic reed switch that signals the ACU when the Heat Exchanger Lint Filter is not installed The dryer will not operate if the Heat Exchanger Filter is not detected The fil...

Страница 10: ...30 seconds then plug back in NOTE Not all options are available with all cycles Cycle Signal Use to turn on or off the signal indicating the end of a drying cycle NOTE Touch and hold the Cycle Signal button for about one second to turn sounds on or off Control Lock Use to lock the controls of the dryer and avoid an accidental change in cycle options or preferences during a drying cycle Touch and h...

Страница 11: ...ttom of the dryer and grab the handle to pull out filter Remove the foam from the bottom filter Clean the filter foam and filter by hand or rinse with water do not wash the filter foam in a washer Wring out the filter foam do not insert it in the bottom filter dripping wet For additional cleaning information see Dryer Care Replace the filter foam on the bottom filter Replace the bottom filter in t...

Страница 12: ...h Sheet Location Inside right side panel Figure 9 Model Serial Number Model Serial Number Location Tech Sheet Location Figure 10 Tech Sheet Location Model WHD5090G0 Serial No MF42512345 NOTE First 5000 dryers will have the model serial number tag on the console behind the removable water tank drawer ...

Страница 13: ...ed System Hybrid Dryer 5090 High Efficiency YEAR OF INTRODUCTION G 2016 COLOR CODE W White ENGINEERING CHANGE 0 Basic Release 1 First Revision 2 Second Revision SERIAL NUMBER M F 4 25 10000 PRODUCTION SITE M MARION OH SOURCE PRODUCTION F Whirlpool Amiens France YEAR OF PRODUCTION 5 2015 6 2016 7 2017 WEEK OF PRODUCTION 2 Digits that represent the week of the year PRODUCT SEQUENCE NUMBER 5 Digits t...

Страница 14: ...cators 4 Bottom Filter Clogged Delay Start Door Filter Clogged Water Tank Full Dryness Levels 3 Damp Dry Dry Extra Dry Filters Primary Lint Filter Heat Pump Filter Secondary Lint Filter Yes Automatic Dry Control Yes Cycle Time Remaining Yes Moisture Sensor Yes INSTALLATION CONSIDERATIONS Venting Direction Ventless Stackable Yes Door Reversal Yes see Installation section Water Drain Standpipe or la...

Страница 15: ...ion provides diagnostic fault codes and troubleshooting information for the Whirlpool Compact Heat Pump Dryer Control Panel Abbreviations Diagnostic Guide Service Diagnostic Mode Service Test Cycle Activating Service Diagnostic Mode Service Test Cycle Service Test Cycle Chart Fault Error Codes Troubleshooting Guide ...

Страница 16: ...est Cycle For Service Technician Use Only CONTROL PANEL buttons to use when entering Service Diagnostic Mode Service Test Cycle Figure 1 User Interface Options Delay Start Timed Dry Dryness Level PProgram 3 Sec Cycle Signal Control Lock Hold 3 Sec Steam X Dry Dry Damp Dry Mixed Heavy Duty Normal Synthetics Delicates Wool Air Dry Refresh Timed Dry Bulky Bedding Cycle selector knob POWER button pres...

Страница 17: ...ntrol not functioning is corrosion or contamination on connections Use an ohmmeter to check for continuity across suspected connections SERVICE DIAGNOSTIC MODE SERVICE TEST CYCLE Allows service personnel to run the Service Test Cycle to verify inputs to the dryer and functionality of the dryer control You may want to do a quick and overall checkup of the dryer with this test before going to specif...

Страница 18: ...d to the back hole will now fill the container After container is filled wait 60 seconds for the icon and the pump to turn off The humidity moisture sensor check is achieved by resistance value See Test 5 Moisture Sensor page 18 Press START to go to next step S05 Verifies the status of the compressor by monitoring the temperature if the temperature increases at the condenser NTC thermistor in a sp...

Страница 19: ...ockwise Motor OFF OFF CW OFF S03 CCW Counterclockwise Motor Pump ON OFF ON CCW ON S04 Humidity Pump Humidity Moisture Sensor Test Pump and Float Switch Test OFF OFF OFF Test see SO4 page 4 S05 Compressor 5 1 Automatic Compressor Test 5 2 Extended Compressor Test 5 3 Extended Compressor Test Finished Waiting to Press START ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF S06 Fan Fan Post Condenser OFF...

Страница 20: ...st 11 page 22 Bottom Filter Not Positioned Properly Push in the bottom filter and move the release levers into horizontal position to make sure that the filter is fully inserted in the filter compartment Close the flap Door Filter Blocked By Lint Remove and clean the door filter make sure to put it back into position properly Door Filter Not Positioned Properly Check the position of the door filte...

Страница 21: ...ame procedure as for F07 F14 Undervoltage Condition Perform reset procedure turn on the dryer then press and hold POWER until 3 2 1 and then rES appears in the display Try to run a cycle if the issue persists turn off and unplug the dryer check ACU connections and harness and perform Tests 1 2 3 pages 12 14 Note Make sure there is no laundry inside the dryer F15 MCU Failure Rectifier Diode Shorted...

Страница 22: ...EST 3 Motor Circuit page 14 User Interface or communication problem See TEST 6 Buttons Indicators page 19 and TEST 12 Communication Between UI and ACU page 22 ACU problem See TEST 1 ACU Power Check page 12 WILL NOT SHUT OFF WHEN EXPECTED Poor airflow Check lint filters and fan Clean if necessary Start Pause button problem See TEST 6 Buttons Indicators page 19 Moisture sensor problem See TEST 5 Moi...

Страница 23: ...ean out pockets before laundering Dryer isn t properly leveled The dryer may vibrate if not properly installed See Installation Instructions All four dryer feet should be in firm contact with the floor Clothing is balled up in dryer When balled up the load will bounce causing the dryer to vibrate Separate the load items and restart the dryer LOUD HUMMING OR INCREASED NOISE DURING CYCLE Load is pac...

Страница 24: ...tener Add dryer fabric softener sheets at the beginning of the cycle Fabric softener sheets added to a partially dried load can stain your garments Do not use fabric softener sheets with steam cycles STAINS ON DRUM Loose dyes in clothes Drum stains are caused by dyes in clothing usually blue jeans These will not transfer to other clothing LOADS ARE WRINKLED The load was not removed from dryer at t...

Страница 25: ...ng Diagram Component Testing TEST 1 ACU Power Check TEST 2 Supply Connections IF TEST 3 Motor Circuit M TEST 4 Heating System Compressor TEST 4A Heat Pump HE TEST 4C Thermistor SET2 TEST 5 Moisture Sensor SEH TEST 5A Adjusting Customer Focused Dryness Level TEST 6 Buttons and Indicators TEST 7 Door Switch ACU TEST 8 Drain Pump DP TEST 9 Water Level Switch SLE TEST 10 Auxiliary Fan FM TEST 11 Heate...

Страница 26: ...to a green ground connection point or unpainted metal in the appliance Before removing the part from its package touch the anti static bag to a green ground connection point or unpainted metal in the appliance Avoid touching electronic parts or terminal contacts handle electronic control assembly by edges only When repackaging main control assembly in anti static bag observe above instructions IMP...

Страница 27: ...or ESD information W W W W GY GY GY BU BU W W W W BK BK BU BU GY GY BR BR R BR BR BR BU G Y BK W W R BR BR G Y BU GY GY OR W R BK BK R W BK R G Y NOTE The door switch is a part of the ACU POST COND FAN FM 415 510 OHMS COMPRESSOR HE THERMISTOR NTC SET 2 HX FILTER SWITCH HX WATER LVL SWITCH SLE MCU COMM WI1 MOTOR M TERMINAL BLOCK INTERFERENCE FILTER IF MOISTURE SENSOR SEH DRAIN PUMP DP 210 OHMS USER...

Страница 28: ...er or blown household fuse If CB circuit breaker is not tripped have customer check with qualified electrician 3 Remove top panel left side panel and console to access the machine electronics 4 ACU VAC With voltmeter set to AC connect black probe to ACU J13 2 L2 and red probe to J13 1 L1 See Figure 2 Plug in dryer or reconnect power If 240 VAC is present unplug dryer or disconnect power and go to ...

Страница 29: ... 1 J8 4 Float 2 SET1 NTC Air Chan J7 1 NTC Air 1 J7 3 NTC Air 2 SET2 NTC Heater J6 1 NTC Heat 1 J6 3 NTC Heat 2 WI2 User interface SEH WI1 MCU communication HX SLE SET1 SET2 APPLIANCE CONTROL UNIT ACU PINOUTS FIGURE 3 IF RFI J13 1 L1 In J13 2 L2 In HE Compressor J5 1 L2 Compressor J5 2 L1 Compressor FM Auxiliary Fan J2 1 L1 Fan J2 3 L2 Fan DP Drain Pump J3 1 L1 Pump J3 3 L2 Pump M Motor Supply J4 ...

Страница 30: ... L1 black wire in the wiring diagram Follow the same procedure for L2 red wire See figure 2 When this is found go to step 5 If neither of the plug terminals have continuity with the left most contact of the terminal block replace the power cord and retest dryer FOR SERVICE TECHNICIAN S USE ONLY If 5VDC is still missing unplug dryer or disconnect power and replace the ACU If 5VDC returns unplug dry...

Страница 31: ...ood condition Make sure there is no obstruction to drum movement Check J12 and J4 connections on ACU to motor Check continuity If there is no continuity replace the wiring harness If there is continuity replace the drive motor 5 Reassemble all parts and panels 6 Plug in dryer or reconnect power 7 Perform the Service Test Cycle on pages 3 and 4 to verify repair TEST 4 Heat System Power Cord Plug AC...

Страница 32: ...e to do so can result in death or electrical shock Replace all parts and panels before operating MOTOR STRIP CIRCUIT 4 Check the wiring and components a Check for loose worn or damaged drum belt repair as necessary b Verify that the spring and support structure is in position and in good condition c Make sure there is no obstruction to drum movement Check J12 and J4 connections on ACU to motor d C...

Страница 33: ...f a significant amount of lint or debris is observed on the filter remove the exchanger cover and vacuum the filter and any lint or debris from the fins and coils of the evaporator and condenser Heat pump does not heat Compressor Compressor runs but cycles due to overheating 1 Check for restricted air flow caused by dirty filters or heat exchanger see Process air flow above 2 Auxiliary Fan used to...

Страница 34: ...ge 13 1 Unplug dryer or disconnect power 2 Remove top panel left side panel and console to access the machine electronics 3 Check compressor wiring use an ohmmeter to measure the resistance at the wire terminal on the compressor relay K5 and L2 at the terminal block If the resistance is 2 15 Ω go to step 10 If an open circuit is detected go to step 4 4 Remove the belt and drum to access the compre...

Страница 35: ... for appropriate line voltages at the outlet 240VAC electric 2 phase or 208VAC electric 3 phase If line voltage is present go to step 3 If line voltage is not present check for tripped circuit breaker or blown household fuse If CB circuit breaker is not tripped have customer check with qualified electrician 3 Remove top panel left side panel and console to access the machine electronics 4 ACU VAC ...

Страница 36: ...rip Circuit CONNECTOR LOCATION ACU TOP Figure 1 Moisture Sensor Connector SEH 3 DO NOT REMOVE OR DESTROY TEST 1 ACU Power Check This test is used to determine if power is present at the machine control electronics This test assumes that proper voltage is present at the outlet 1 Unplug dryer or disconnect power 2 Check for appropriate line voltages at the outlet 240VAC electric 2 phase or 208VAC el...

Страница 37: ...he 7 segment display The factory default value is 3 2 Turning the cycle selector knob counterclockwise reduces the dryness level setting number Turning the cycle selector knob clockwise increases the dryness level setting number The new setting is displayed in the 7 segment display 3 With the display showing the desired dryness level setting press the cycle selector knob to save the setting and ex...

Страница 38: ...ervice Test Cycle on page 3 to verify repair If it does not pass the test replace the UI No beep sound is heard 1 Unplug dryer or disconnect power 2 Remove top panel left side panel and console to access the ACU and user interface UI 3 Visually check that ACU connectors are inserted all the way into the ACU 4 Visually check that UI connector is inserted all the way into the UI 5 If all visual chec...

Страница 39: ...el upper clips hooked to the ACU and ACU feet are inside front panel slots b Verify that there are no obstructions between the white lever on the ACU and the door c Verify that the door assembly is aligned with the door latch d Verify that there is physical contact of the door with the white lever on the ACU when the door is closed If there was a problem with any of the above go to step 4 If the v...

Страница 40: ...the water tank full indicator is off and that the pump is active in Service Test Cycle step S04 8 If everything is connected and the drain pump still does not drain water from the sump measure the resistance across pins 1 and 3 the resistance should be approximately 210 Ω If the reading is infinite open replace the drain pump 9 If the preceding steps did not correct the problem replace the ACU The...

Страница 41: ...J13 1 W W GY TR1 210 OHMS WATER LEVEL WATER LEVEL Figure 3 Drain Pump Water Level Switch Strip Circuit 3 DO NOT REMOVE OR DESTROY fuse If CB circuit breaker is not tripped have customer check with qualified electrician 3 Remove top panel left side panel and console to access the machine electronics 4 ACU VAC With voltmeter set to AC connect black probe to ACU J13 2 L2 and red probe to J13 1 L1 See...

Страница 42: ...reading is infinite open go to step 7 If the reading is correct go to step 11 7 Remove the rear panel to access the post condenser fan 8 Visually check that the in line fan connector is securely connected If visual check passes go to step 9 If connections are loose reconnect the in line fan connector and retest 9 With an ohmmeter check the harness for continuity between the fan and the ACU J2 1 an...

Страница 43: ...08VAC electric 3 phase If line voltage is present go to step 3 If line voltage is not present check for tripped circuit breaker or blown household fuse If CB circuit breaker is not tripped have customer check with qualified electrician 3 Remove top panel left side panel and console to access the machine electronics 4 ACU VAC With voltmeter set to AC connect black probe to ACU J13 2 L2 and red prob...

Страница 44: ...probe to ACU J13 2 L2 and red probe to J13 1 L1 See Figure 2 Plug in dryer or reconnect power 6 Unplug dryer or disconnect power Unplug J7 and J6 from the ACU Plug in dryer or reconnect power and repeat step 5 If 5VDC returns one of the thermistors has shorted To diagnose thermistors see TEST 4c page 17 If 5VDC is not present go to step 7 7 Unplug dryer or disconnect power Reconnect J7 and J6 to t...

Страница 45: ...khead Parts Parts Assemblies Door Parts Removing the Door Assembly Door Components Removing the Top Side Panels Removing the Interference Filter Removing the Console User Interface Removing the Appliance Control Unit ACU Removing the Water Tank Housing Removing the Drive Motor Removing the Drain Pump Float Sw and Fan Ass y Removing the Front Panel Removing the Drum Removing the Bulkhead Removing t...

Страница 46: ...erature Parts 2 Top White 3 Screw 4 Assembly Control Knob 5 Handle Drawer White 6 Assembly Console White 7 User Interface 8 Screw 9 Appliance Control Unit ACU 10 Lever Door Switch 11 Spring Door Switch 12 Harness RFI 13 Harness Main 14 Harness UI 15 Shield UI Foil 16 Screw 723 1 2162 3 576 3DUW 1R 5HY ...

Страница 47: ...0 Filter Handle 11 Filter Cover 12 Filter Frame 13 Filter Foam 14 Access Door Pump Rear Panel 15 Tank Water 16 Housing Water Tank 17 Pipe Water Tank Inflow 18 Hose Inflow to Pump 19 Hose Over Fill Water Tank to Pump 20 Bracket Hose 21 Cover Terminal Box 22 Housing Terminal Box 23 Screw 24 Screw 25 Screw 26 Harness Terminal Block 27 Insulator Terminal Block Harness 28 Filter RFI 29 Cover Heater 30 ...

Страница 48: ... Unit 4 Screw 5 Capacitor 6 Washer Lock 7 Nut 8 Pump Assembly 9 Harness Compressor 10 Harness NTC 11 Sensor NTC 12 Cap NTC 13 Spring NTC 14 Harness Heat Pump Ground 15 Screw 16 Housing Fan 17 Fan 18 Roller Support 19 Compressor Thermal Overload Protector 20 Seal Base to Rear Panel 21 Seal Base to Front Bulkhead 3DUW 1R 5HY ...

Страница 49: ...Pump Dryer n 4 5 Parts Assemblies MOTOR PARTS 1 Motor 2 Bolt 3 Washer 4 Pulley Idler 5 Nut 6 Wheel Blower 7 Washer 8 Nut 9 Spring Belt Tension 10 Screw 11 Cover Blower 12 Seal Motor to Blower 13 Bracket Motor 14 Screw 02725 3 576 3DUW 1R 5HY ...

Страница 50: ...HEAD PARTS 1 Lint Screen 2 Sensor Humidity 3 Screw 4 Bulkhead Front 5 Screw 6 Seal Drum Front 7 Belt Drum 8 Assembly Drum Complete 9 Baffle Drum 10 Screw 11 Seal Drum Rear 12 Bearing Drum Axis 13 Washer Spring 14 Housing Bearing Axis 15 Nut 16 Cover Bearing Axis 580 1 8 3 576 3DUW 1R 5HY ...

Страница 51: ...Heat Pump Dryer n 4 7 Parts Assemblies DOOR PARTS 3DUW 1R 5HY 1 Door Outer Trim Ring 2 Door Inner Trim 3 Door Glass 4 Hinge Door 5 Bushing Hinge Outer 6 Door Inner 7 Door Inner Hinge 8 Door Inner Lock 9 Lock Door 10 Pin Run Stop 11 Screw ...

Страница 52: ...nclips from the door see Figure 2 Remove the strike assembly from the door Figure 1 Figure 2 To Remove the Door Catch Assembly 1 Open door 2 Use a T20 Torx driver to remove the one screw securing the door catch to the front panel see Figure 3 Remove T20 Screw Figure 3 3 Slide the door catch upward while pulling the bottom of the catch away from the front panel see Figure 3 4 Reverse procedure to r...

Страница 53: ...he motor and blower assembly by removing the right side panel Removing the left side panel provides access to the base component connectors for ease in diagnostics 1 Perform the procedure Remove the Top Panel on this page prior to performing the following steps 2 Use a T20 Torx driver to remove the three 3 screws from the back of one or both side panel s circled in Figure 1 3 If removing the right...

Страница 54: ...erference Filter Figure 1 4 Use a T20 Torx driver to remove the two 2 screws securing the Interference Filter to the rear panel See Figure 2 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating 5 Slide the Interference Filter horizontally to release the filter from back panel See Fig...

Страница 55: ...nt T20 Torx screws located on the top front right side panel see Figure 2 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Remove Front T20 Console Screw Figure 2 7 On the left side of the dryer left panel should be removed gently lift up on the left console tab to disengage left...

Страница 56: ...L1 J2 3 L2 DP Drain Pump J3 1 L1 J3 3 L2 WI2 User Interface J17 1 VPOS J17 2 5VDC J17 3 WIDE J17 4 GND SEH Moisture Sensor J11 1 Gnd J11 3 Moisture Sensor IF RFI J13 1 L1 J13 2 L2 HE Heater Condenser dryer Compressor HP dryer Condenser dryer HP dryer J5 1 L2 J5 1 L2 J5 2 Heater 1 J5 2 Compressor J5 3 Heater 2 WI1 MCU Communication J12 2 12VDC J12 3 IN OUT J12 4 GND HX SLE Heat Exchanger Switch and...

Страница 57: ...gure 1 3 Unclip the two front tabs on the water tank see Figure 2 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Push inward on both tabs to release tank Figure 2 4 Push back on the water tank housing and lift up from the front bulkhead 5 Depress the top tab on the back of the ...

Страница 58: ...ress the two tabs to release the blower wheel cover Then rotate blower cover down See Figure 1 Tension Spring Blower Cover Screw Drive Motor Blower Cover Tabs Figure 1 8 Use a T20 Torx driver to remove the two screws securing the motor brackets see Figure 2 Remove brackets and set aside WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electr...

Страница 59: ...r Sensor Float Switch HX Filter Drain Pump Fan Figure 1 4 If not already remove the two hoses drain pump and overfill hoses from the sump assembly WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating 5 Use a T20 Torx driver to remove the two 2 screws securing sump bracket to the back...

Страница 60: ...E Be sure to disconnect the pump and or float switch harnesses before removing the assembly from the dryer Sump Tab Sump Tab Drain Pump Float Sw Figure 5 To Remove the Fan Assembly 9 Locate the post condenser fan motor assembly mounted to the left of the sump assembly see Figure 6 below Fan Assembly Figure 6 10 If exists cut the wire tie securing the fan to the post condenser see Figure 7 11 Disco...

Страница 61: ... the procedure on page 4 11 Remove the Console User Interface prior to performing the following steps 6 Remove door lint filter and bottom HX Filter 7 Remove the two T20 Torx screws on the opposite side of the door hinge see Figure 1 Remove 2 T20 Screws Figure 1 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all pa...

Страница 62: ...azard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating 7 Remove Drum Bearing Assembly See Figures 2 5 Figure 2 Drum Bearing Assembly a Remove the bottom screw using a 7mm hex head driver Remove screw and bearing cover see Figure 3 WARNING do not remove or lose the copper ground terminal inside the bearing cover...

Страница 63: ...s 7 Perform the procedure on page 4 18 Remove the Drum prior to performing the following steps 8 Disconnect the moisture sensor harness 9 Remove the main harness run from the front of the bulkhead The harness is secured to the bulkhead by one clip and 2 or 3 guides See Figure 2 in the next column 10 Remove the two 7 mm screws securing the front bulkhead to the base assembly see Figure 1 below 11 L...

Страница 64: ... Remove the Console User Interface prior to performing the following steps 6 Perform the procedure on page 4 13 Remove the Water Tank prior to performing the following steps 7 Perform the procedure on page 4 18 Remove the Drum prior to performing the following steps 8 If not already remove the two hoses drain pump and overfill hoses from the back of the dryer 9 Disconnect the two ground terminals ...

Страница 65: ... the plastic access cover and set aside see Figure 5 Access Cover Figure 5 14 Use a T20 Torx driver to remove the ten 10 screws securing heat channel cover to the back panel as illustrated in Figure 6 Remove the heat channel and set aside Figure 6 15 Use a T20 Torx driver to remove the three 3 screws securing the rear panel to the base assembly as illustrated in Figure 7 Remove rear panel from bas...

Страница 66: ... Interface prior to performing the following steps 5 Perform the procedure on page 4 13 Remove the Water Tank prior to performing the following steps 6 Perform the procedure on page 4 17 Remove the Front Panel prior to performing the following steps 7 Perform the procedure on page 4 18 Remove the Drum prior to performing the following steps 8 Perform the procedure on page 4 20 Remove the Back Pane...

Страница 67: ...ER READY TO IDENTIFY YOU AS AN AUTHORIZED IN HOME SERVICE PROFESSIONAL FOR LITERATURE ORDERS CUSTOMER EXPERIENCE CENTER PHONE 1 800 851 4605 FOR TECHNICAL INFORMATION AND SERVICE POINTERS www servicematters com IN CANADA FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL PHONE 1 800 461 5681 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER S HOME CALL THE TECHNICAL ASSISTANCE LINE 1 800 488 47...

Страница 68: ...Whirlpool 4 3 CU FT Compact Heat Pump Dryer W11040040A ...

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