Whirlpool W11440958, Technical Manual

Page 1: ...TECHNICAL MANUAL Whirlpool 24 Compact Condensing Dryer W11440958 ...

Page 2: ...iced refer to the Use and Care Guide or Installation Instructions provided with the dryer GOALS AND OBJECTIVES The goal of this Technical Manual is to provide information that will enable the In Home Service Professional to properly diagnose malfunctions and repair the Whirlpool 24 Compact Condensing Dryer The objectives of this Technical Manual are to Understand and follow proper safety precautio...

Page 3: ...ENT TESTING 3 01 SAFETY 3 02 WIRING DIAGRAM 3 03 MAIN CONTROL ACU CONNECTORS AND PINOUTS 3 04 TROUBLESHOOTING TESTS 3 05 COMPONENT LOCATIONS 3 11 SECTION 4 COMPONENT ACCESS 4 01 REMOVING THE DOOR ASSEMBLY AND DOOR COMPONENTS 4 02 REMOVING THE TOP AND SIDE PANELS 4 04 REMOVING THE APPLIANCE CONTROL UNIT ACU 4 05 REMOVING THE INTERFERENCE FILTER 4 06 REMOVING THE CONSOLE USER INTERFACE 4 08 REMOVING...

Page 4: ...iv n Whirlpool 24 Compact Condensing Dryer NOTES ...

Page 5: ...1 1 Section 1 General Information This section provides general safety parts and information for the Whirlpool 24 Compact Condensing Dryer Dryer Safety Product Specifications Product Features Model and Serial Label Location Model Nomenclature Tech Sheet Location ...

Page 6: ... tell 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...

Page 7: ...s Bottom Filter Clogged Delay Start Door Filter Clogged Water Tank Full Location of Controls Front End of Cycle Signal Yes Features Automatic Dry Control Yes Cycle Time Remaining Yes Lint Filter Indicator Yes Moisture Sensor Yes Pedestal Options WFP24JW Secondary Lint Filter Yes Sound Package No Stackable Yes Cycles Number of Dryer Cycles 15 Selection of Drying Cycles Bulky Colors Cotton Delicates...

Page 8: ...ation Considerations Venting Direction Bottom Rear Ventless Condensing Description Fuel Type Electric Electrical Amps 20 Hz 60 Volts 240 Product Features Cycle selector knob POWER bu on Press and hold un l display turns on START PAUSE bu on Press and hold to run Service Test Cycle and advance through steps in Service Test Cycle Figure 1 Human Machine Interface HMI ...

Page 9: ...GENERAL INFORMATION Cont Whirlpool 24 Compact Condensing Dryer n 1 5 Model and Serial Number Location Model and serial number location ...

Page 10: ...pool Model Nomenclature MODEL NUMBER W C D 3090 J W Brand W Whirlpool Product Type C Compact Product Type W Washer D Dryer Feature Set 3090 Higher the number more features are available Production Year J 2019 K 2020 Color Code W White C Chrome Shadow Tech Sheet Location Tech Sheet location ...

Page 11: ... Section 2 Diagnostics and Troubleshooting This section provides diagnostic fault codes and troubleshooting information for the Whirlpool 24 Compact Condensing Dryer Safety Diagnostic Guide Service Diagnostic Mode Service Test Cycle Faults and Error Codes Troubleshooting Guide ...

Page 12: ...d metal in the appliance IMPORTANT Electrosta c Discharge ESD Sensi ve Electronics ESD problems are present everywhere Most people begin to feel an ESD discharge at approximately 3000 V It takes as li le as 10 V to destroy damage or weaken the main control assembly The new main control assembly may appear to work well a er repair is finished but a malfunc on may occur at a later date due to ESD str...

Page 13: ...nostic Mode 1 Open and close the dryer door The door must be closed to enter Service Diagnostic Mode 2 Be sure the dryer is in standby mode plugged in with all indicators off 3 Press the following button sequence Timed Dry Dryness Level Start Timed Dry Dryness Level Start Timed Dry Dryness Level Start all within 8 seconds Once the sequence is complete the display will read Service Mode The display...

Page 14: ...e 2 4 If the routine is unable to start perform Test 7 to diagnose a door switch problem 2 If the cycle starts perform Test 4 and to diagnose a possible heater system problem Replace parts as needed try to run a cycle 3 If the heater and the door switch diagnostics did not resolve the failure perform Test 5 to diagnose a possible moisture sensor circuit issue Replace parts as needed and try to run...

Page 15: ...onnections page 3 5 Connection problem between ACU and HMI Check connections and harness continuity between ACU and HMI Power supply not present at machine electronics See Test 1 ACU Power Check page 3 5 HMI problem See Test 6 Buttons and Indicators page 3 9 Will Not Start Cycle No response when Start is pressed Bottom lint filter not present or not positioned properly filter icon showing in displ...

Page 16: ...invalid option Refer customer to Use and Care Guide HMI or communication problem See Test 6 Buttons and Indicators page 3 9 and Test 10 Communication Between HMI and ACU page 3 10 Drum Will Not Spin Drive belt problem See Test 3 Motor Circuit page 3 6 Door switch problem See Test 7 Door Switch page 3 9 Motor problem See Test 3 Motor Circuit page 3 6 ACU problem See Test 1 ACU Power Check page 3 5 ...

Page 17: ...1 Section 3 Component Testing This section provides the wiring diagram component testing and component location for the Whirlpool 24 Compact Condensing Dryer Safety Wiring Diagrams Main Control ACU Connectors and Pinouts Troubleshooting Tests Component Locations ...

Page 18: ... in the appliance IMPORTANT Electrosta c Discharge ESD Sensi ve Electronics ESD problems are present everywhere Most people begin to feel an ESD discharge at approximately 3000 V It takes as li le as 10 V to destroy damage or weaken the main control assembly The new main control assembly may appear to work well a er repair is finished but a malfunc on may occur at a later date due to ESD stress Use...

Page 19: ...fage_1 Heater_2 Chauffage_2 Line_HMR Ligne_HMR 1 2 3 4 5 CN05 Neutral Neutre Neutral Neutre L1 Diverter L 1 déviation L1 CCW L 1 V CC L1 CW L 1 coupe circuit ACU MCA 240 V 60 Hz 1 1 2 2 3 3 1 1 2 2 RFI RFI Terminal Block Block thermique 240 V 210 Ohms 210 ohms Drain Pump Pompe de vidange Drum LED DEL tambour HMI IHM Optional en option Strips 220 240 VAC 0 2 A 15 W 60 Hz Class A Lanières M M 1200 W...

Page 20: ... BU AZ Reed Switch CN15 4 BU AZ Reed Switch CN15 5 R ROJ Inlet Thermistor CN15 6 R ROJ Inlet Thermistor CN 14 Water Level Sensor CN11 2 CN 11 CN 08 Not Used CN11 1 CN18 1 Open GND CN11 2 CN18 1 Open WIN Communication CN11 3 CN18 1 Open 5 VDC CN11 4 CN18 1 Open 12 VDC 1 3 4 CN08 2 1 3 4 CN13 2 1 3 4 CN09 1 2 CN17 2 1 CN 13 Motor Communication CN13 1 BU BU GND CN13 2 BU BU WIN Communication CN13 3 B...

Page 21: ...tep 6 6 Unplug dryer or disconnect power Unplug CN15 from the ACU Plug in dryer or reconnect power and repeat step 5 If 5 VDC returns one of the thermistors has shorted To diagnose thermistors see Test 4b page 3 7 If 5 VDC is not present go to step 7 7 Unplug dryer or disconnect power Reconnect disconnected harness to the ACU and unplug CN13 from the ACU Plug in dryer or reconnectpower and repeat ...

Page 22: ...es the cord to the back panel Disconnect the cord from the main harness and the ground wire from the rear panel then pull out the power cord 5 Visually check that all connectors are fully inserted into the ACU 6 Visually check that all connectors are fully inserted into the HMI 7 Reassemble all parts and panels 8 Plug in dryer or reconnect power 9 Perform the Service Test Cycle on page 2 4 to veri...

Page 23: ...m the Service Test Cycle on page 2 4 to verify repair Heater will not shut off 1 Unplug dryer or disconnect power 2 Remove top panel right side panel and console to access the machine electronics 3 Refer to Thermistor Resistance table on page 3 7 and NTC Air Channel section of Test 4b Thermistors on page 3 7 for temperatures and their associated values If the resistance corresponds to the temperat...

Page 24: ...yer cabinet ground If either pin indicates continuity to ground short replace wiring harness otherwise proceed to step 5 5 If the preceding steps did not correct the problem replace the ACU Test 5 Moisture Sensor 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 40 minutes The following items ar...

Page 25: ...does not pass the test replace the HMI Test 7 Door Switch Attempt to perform Service Test Cycle on page 2 4 If the routine is unable to start the dryer is detecting an open door Open and close the door again If Service Test Cycle still will not start try to start a dryer cycle If pressing START produces an invalid sound and the START light blinks the dryer is detecting an open door If dryer runs w...

Page 26: ...infinite open replace the drain pump 10 If the preceding steps did not correct the problem replace the ACU Test 9 Secondary Lint Filter Switch This is a test to perform when the Check bottom filter error is displayed and the machine will not operate 1 Open the cover to access the bottom filter 2 Verify that the release levers are in place and in good condition to hold the bottom filter in place 3 ...

Page 27: ...G Cont Whirlpool 24 Compact Condensing Dryer n 3 11 Component Locations A B C D E F G H I J A Interference Filter B ACU C HMI D Filter E Air Intake Grille F Condenser Unit G Drain Pump H Motor Assembly I Water Container J Thermal Fuse Thermostats NTC ...

Page 28: ...NOTES COMPONENT TESTING 3 12 n Whirlpool 24 Compact Condensing Dryer ...

Page 29: ...ssembly and Door Components Removing the Top and Side Panels Removing the Appliance Control Unit ACU Removing the Interference Filter Removing the Console User Interface Removing the Water Tank Housing Removing the Rear Air Duct Heaters Thermal Fuse Thermostats and NTC Removing the Back Panel Removing the Drum Removing the Drive Motor Removing the Water Level Sensor Drain Pump and Front NTC Removi...

Page 30: ...gure 3 Figure 3 TORX and T 20 are trademarks of Acument Intellectual Properties LLC To Remove the Door Strike Assembly 1 Open door see Figure 1 Figure 1 2 Using a flat blade screwdriver insert the screwdriver as shown in Figure A below At the same time push down on the strike until it unclips from the door see Figure B Remove the strike assembly from the door Figure A Figure B WARNING Electrical S...

Page 31: ...door catch upward while pulling the bottom of catch away from the front panel see Figure 3 Figure 3 4 Reverse procedure to reinstall To Remove the Door Run Stop Pin 1 Open door see Figure 1 Figure 1 2 Using a pair of pliers grasp the run stop pin used to depress the door switch paddle and rotate the pin counter clockwise 1 4 turn See Figure 2 Figure 2 3 Remove the run stop pin from the door assemb...

Page 32: ...se in diagnostics 1 Perform the procedure Removing the Top Panel on this page prior to performing the following steps 2 Use a TORX T 20 driver to remove the three 3 screws from the back of one or both side panel s circled in Figure 1 Figure 1 3 If removing the right side panel detach the harness clip affixed to the top of the panel and remove the T20 screw attaching the ACU See Figure 2 Figure 2 4...

Page 33: ...up on ACU to disengage from rear panel see Figure 3 Figure 3 5 Remove wire harnesses from routing clips see Figure 4 Figure 4 6 Remove ACU top cover by sliding it left see Figure 5 Figure 5 7 Remove ACU board cover by disengaging all tabs see Figure 6 then set aside Figure 6 Removing the Appliance Control Unit ACU WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so c...

Page 34: ...yer or disconnect power 2 Perform the procedure on page 4 4 Removing the Top Panel prior to performing the following steps 3 Remove the harnesses from the Interference Filter see Figure 1 FIgure 1 4 Remove the four 4 T20 screws on the terminal box cover see Figure 2 Figure 2 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock R...

Page 35: ...screws see Figure 3 Figure 3 6 Remove the two 2 T20 screws securing the interference filter to the back panel see Figure 4 Figure 4 7 Remove the interference filter from it s bracket by using a Torx T 20 driver to remove the two screws see Figure 5 Figure 5 8 Slide the filter horizontally away from the bracket to release the plastic tabs see Figure 6 Figure 6 ...

Page 36: ...1 4 Disconnect the HMI harness from the HMI see Figure 2 Figure 2 5 On the both side of the dryer disengage the tab holding the console in place see Figure 3 Figure 3 6 Remove the console from dryer see Figure 4 Figure 4 Removing the Console User Interface WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts an...

Page 37: ...front tabs on the water tank see Figure 2 Figure 2 5 Push back on the water tank housing and lift up from the front bulkhead 6 Depress the top tab on the back of the water tank Figure 3 7 Gently push the water tank housing into the dryer and up through the top using care not to damage the lower tab on the back of the housing see Figure 4 Figure 4 Removing the Water Tank Housing WARNING Electrical ...

Page 38: ...Figure 1 Figure 1 5 Using a flat blade screwdriver to push in on heater connector tab to disengage it from rear duct panel see Figure 2 Figure 2 6 Remove the nine 9 T20 screws holding the rear duct panel see Figure A and B Figure A Removing the Rear Air Duct Heaters Thermal Fuse Thermostats and NTC WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in dea...

Page 39: ...connecting the wires and prying the two tabs shown in Figure 3 Figure 3 9 To remove the the heater assembly remove the four T20 screws see Figure 4 Figure 4 10 Lift the heater assembly out and disconnect wiring from thermals see Figure 5 Figure 5 11 To remove plastic air canal remove two T20 screws as shown in Figures A and B and lift it out Figure A Figure B A B C D A Thermal Fuse B Thermostat C ...

Page 40: ...filter prior to performing the following steps 6 Perform the procedure on page 4 8 Removing the Console User Interface prior to performing the following steps 7 Perform the procedure on page 4 9 Removing the Water Tank Housing prior to performing the following steps 8 Perform the procedure on page 4 10 Removing the Rear Air Duct 9 Disengage the belt by pushing in and down on the pulley bracket whi...

Page 41: ...the 10 mm nut securing the drum to the back panel see Figure 6 Figure 6 15 Use a TORX T 20 driver to remove the four 4 screws shown in Figure 6 Figure 6 16 Remove the T20 screw holding the wire channel to the back panel Squeeze the two retainers together to free the channel from the back panel See Figure 7 Figure 7 17 Back panel can now be removed by lifting up and away from the drum see Figure 8 ...

Page 42: ...ior to performing the following steps 3 Perform the procedure on page 4 4 Removing the Side Panels prior to performing the following steps 4 Perform the procedure on page 4 6 Removing the Interference Filter prior to performing the following steps 5 Perform the procedure on page 4 8 Removing the Console User Interface prior to performing the following steps 6 Perform the procedure on page 4 9 Remo...

Page 43: ...Remove the Water Level Sensor 1 Unplug dryer or disconnect power 2 Perform the procedure on page 4 4 Removing the Top Panel prior to performing the following steps 3 Perform the procedure on page 4 4 Removing the Side Panels prior to performing the following steps only necessary to remove the left side panel to access these components 4 Clip the wire tie securing the pipe and disengage pipes from ...

Page 44: ... five 5 T20 screws as shown in Figure 5 Figure 5 9 Remove plastic water sensor and drain pump support bracket by lifting up on it see Figure 6 Figure 6 10 Remove the foam tape from Water Level Sensor see Figure 7 Figure 7 11 Remove the T20 screw securing the Water Level Sensor and disconnect wire connector see Figure 8 Figure 8 NOTE When replacing the water level sensor make sure to remove all wat...

Page 45: ...rm the procedure on page 4 2 Removing the Door Assembly prior to performing the following steps 3 Perform the procedure on page 4 4 Removing the Top Panel prior to performing the following steps 4 Perform the procedure on page 4 4 Removing the side Panels prior to performing the following steps 5 Perform the procedure on page 4 8 Removing the console User Interface prior to performing the followin...

Page 46: ... lifted and removed see Figure 3 Figure 3 To Remove the Door Switch 1 Remove the two 2 TIS screws from the door switch see Figure 4 Figure 4 2 Remove the wire connector as shown in Figure 5 Figure 5 3 Remove the door switch by pulling it straight away from bulkhead see Figure 6 Figure 6 ...

Page 47: ...UMBER 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 1 800 461 5681 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER S HOME CALL THE TECHNICAL ASSISTANCE LINE 1 800 488 4791 ...

Page 48: ...Whirlpool 24 Compact Condensing Dryer W11440958 ...