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Whirlpool W11440958 Technical Manual

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TECHNICAL MANUAL
Whirlpool® 24" Compact
Condensing Dryer
W11440958

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Summary of Contents for Whirlpool W11440958

  • Page 1 TECHNICAL MANUAL Whirlpool® 24" Compact Condensing Dryer W11440958...
  • Page 2 FOREWORD This Whirlpool® Technical Manual (Part No. W11440958), provides the In-Home Service Professional with service information for the “Whirlpool® 24" Compact Condensing Dryer.” The Wiring Diagram used in this Technical Manual is typical and should be used for training purposes only.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Whirlpool® 24" Compact Condensing Dryer SECTION 1: GENERAL INFORMATION ................1-01 DRYER SAFETY ..........................1-02 PRODUCT SPECIFICATIONS ....................... 1-03 PRODUCT FEATURES ........................1-04 MODEL AND SERIAL NUMBER LOCATION ..................1-05 MODEL NOMENCLATURE ......................... 1-06 TECH SHEET LOCATION ........................1-06 SECTION 2: DIAGNOSTICS AND TROUBLESHOOTING ..........2-01...
  • Page 4 NOTES iv n Whirlpool 24" Compact Condensing Dryer ®...

  • Page 5: Section 1: General Information

    GENERAL INFORMATION 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 ■...

  • Page 6: Dryer Safety

    WARNING instructions. All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what can happen if the instructions are not followed. Whirlpool 24" Compact Condensing Dryer ®...

  • Page 7: Product Specifications

    GENERAL INFORMATION (Cont.) Product Specifications Whirlpool® 24" Compact Condensing Dryer Dimensions Capacity IEC CAN (Cu. Ft.) 2.2 or 2.3 Capacity (Cu. Ft.) 1.9 or 2.3 Depth With Door Open 90 Degree (IN, inches) or 42 Depth (IN, inches) Height (IN, inches)

  • Page 8: Product Features

    START/PAUSE bu on: POWER bu on: Press and hold un l display turns on. Press and hold to run Service Test Cycle and advance through steps in Service Test Cycle. Figure 1 - Human-Machine Interface (HMI) Whirlpool 24" Compact Condensing Dryer ®...

  • Page 9: Model And Serial Number Location

    GENERAL INFORMATION (Cont.) Model and Serial Number Location Model and serial number location Whirlpool 24" Compact Condensing Dryer ®...

  • Page 10: Model Nomenclature

    GENERAL INFORMATION Model Nomenclature Whirlpool® Model Nomenclature MODEL NUMBER 3090 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...

  • Page 11: Section 2: Diagnostics And Troubleshooting

    DIAGNOSTICS and TROUBLESHOOTING 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 ■...

  • Page 12: Safety

    The manufacturer or seller cannot be responsible, nor assume any liability for injury or damage of any kind arising from the use of this data sheet. Whirlpool 24" Compact Condensing Dryer...

  • Page 13: Diagnostic Guide

    [Timed Dry] for 5 seconds. Pressing [Timed Dry] To exit the Service Test Cycle, press and hold POWER or open and again will step through the automatic tests manually. close the door. Whirlpool 24" Compact Condensing Dryer ®...

  • Page 14: Faults And Error Codes

    Indicates a problem in the Front Thermistor circuit. To troubleshoot: • Perform Test #4b to diagnose the Thermostat Circuit. F3E3 Indicates a problem in the Hot thermistor circuit. To troubleshoot: • Perform Test #4b to diagnose the Thermostat Circuit. Whirlpool 24" Compact Condensing Dryer ®...

  • Page 15: Troubleshooting Guide

    See Test #2: Supply Connections, page 3-5. Heater system malfunction. See Test #4: Heat System, page 3-7. NTC thermistor problem. See Test #4b: Thermistors, page 3-7. ACU problem. See Test #1: ACU Power Check, page 3-5. Whirlpool 24" Compact Condensing Dryer ®...
  • Page 16 Shuts Off Before Clothes Lint filters are full/plugged Clean if necessary. Refer customer to Owner's Manual. Are Dry Moisture sensor problem See Test #5: Moisture Sensor, page 3-8. NTC thermistor problem. See Test #4b: Thermistors, page 3-7. Whirlpool 24" Compact Condensing Dryer ®...

  • Page 17: Section 3: Component Testing

    COMPONENT TESTING 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 ■...

  • Page 18: Safety

    The manufacturer or seller cannot be responsible, nor assume any liability for injury or damage of any kind arising from the use of this data sheet. Whirlpool 24" Compact Condensing Dryer...

  • Page 19: Wiring Diagram

    COMPONENT TESTING (Cont.) For Service Technician Use Only Wiring Diagram Condensing Dryer Wiring Diagram Whirlpool 24" Compact Condensing Dryer ®...

  • Page 20: Main Control (Acu) Connectors And Pinouts

    CN13-4 BU/BU 12 VDC CN 09 - Drain Pump CN09-1 RD/R Drain Pump CN09-2 RD/R 5 VDC Neutral CN01 CN18 (OPEN) CN07 CN09 CN04 CN03 CN02 CN12 CN17 OPEN CN05 (Open) Figure 1 - Main Control (ACU) Whirlpool 24" Compact Condensing Dryer ®...

  • Page 21: Troubleshooting Tests

    If +5 VDC is still missing, unplug dryer or disconnect power and replace the ACU. n If +5 VDC returns, unplug dryer or disconnect power and check harnesses and connections between the ACU and HMI. If acceptable, replace the HMI. Whirlpool 24" Compact Condensing Dryer ®...
  • Page 22 If an open circuit is found, check the integrity of the connections of the power cord to the harness in the dryer; harness to the ACU; and the integrity of the power cord itself. Whirlpool 24" Compact Condensing Dryer ®...
  • Page 23 230° (110°) 0.630 ± 1.0 10. Plug in dryer or reconnect power. 11. Perform the Service Test Cycle on page 2-4 to verify repair. 266° (130°) 0.370 ± 1.8 356° (180°) 0.116 ± 3.4 Whirlpool 24" Compact Condensing Dryer ®...
  • Page 24 4. Check CN15 - 1 or CN15 - 2 to dryer 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. Whirlpool 24" Compact Condensing Dryer ®...
  • Page 25 If it does not pass the the machine electronics. test, replace the HMI. 5. Verify visually that ACU connections CN09 is connected properly. 6. Verify AC voltage according to Test #1: ACU Power Check, page 3-5. Whirlpool 24" Compact Condensing Dryer ®...
  • Page 26 (closed contact). If not, replace the harness. NOTE: The harness includes the reed switch and the water level switch. 7. If the failure persists after replacing the harness, replace the ACU. 3-10 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 27: Component Locations

    For Service Technician Use Only Component Locations A. Interference Filter F. Condenser Unit B. ACU G. Drain Pump C. HMI H. Motor Assembly D. Filter I. Water Container E. Air Intake Grille J. Thermal Fuse Thermostats NTC Whirlpool 24" Compact Condensing Dryer 3-11 ®...
  • Page 28 COMPONENT TESTING NOTES 3-12 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 29: Section 4: Component Access

    COMPONENT ACCESS Section 4: Component Access This section provides service parts access, removal, and replacement instructions for the “Whirlpool® 24" Compact Condensing Dryer.” n Removing the Door Assembly and Door Components n Removing the Top and Side Panels n Removing the Appliance Control Unit (ACU)

  • Page 30: Removing The Door Assembly And Door Components

    Figure 2 3. Lift up door assembly to disengage hinge from the front panel. Remove door assembly (see Figure 3). Figure B Figure 3 †®TORX and T-20 are trademarks of Acument Intellectual Properties, LLC. Whirlpool 24" Compact Condensing Dryer ®...
  • Page 31 3. Slide the door catch upward while pulling the bottom of catch away from the front panel (see Figure 3). Figure 2 3. Remove the “run/stop” pin from the door assembly. See Figure 3. Figure 3 4. Reverse procedure to reinstall. Figure 3 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 32: Removing The Top And Side Panels

    4. Use a TORX T-20 driver to remove the top-front two (2) screws on one or both side panel(s). See Figure 2. 5. Lift up on side panels(s) and remove from dryer. 6. Reverse procedure to reinstall panels. Figure 2 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 33: Removing The Appliance Control Unit (Acu)

    Figure 5 7. Remove ACU board cover by disengaging all tabs (see Figure 6) then set aside. Figure 2 4. Lift up on ACU to disengage from rear panel (see Figure 3). Figure 6 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 34: Removing The Interference Filter

    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 Whirlpool 24" Compact Condensing Dryer ®...
  • Page 35 (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 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 36: Removing The Console/User Interface

    (page 4-4). 3. Remove the TORX T-20 screw next to the water tank opening (see Figure 1). Figure 1 Figure 4 4. Disconnect the HMI harness from the HMI (see Figure 2). Figure 2 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 37: Removing The Water Tank Housing

    Figure 4 Figure 1 4. Unclip the two 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. Whirlpool 24" Compact Condensing Dryer ®...

  • Page 38: Removing The Rear Air Duct, Heaters, Thermal Fuse, Thermostats, And Ntc

    (see Figure 2). Figure A Figure 2 6. Remove the nine (9) T20 screws holding the rear duct panel (see Figure A and B). Figure B Figure A 4-10 Whirlpool 24" Compact Condensing Dryer ®...
  • Page 39 8. Remove the thermal fuse, thermostats, and NTC by disconnecting the wires and prying the two tabs shown in Figure 3. Figure B A. Heater C. Plastic Air Canal B. Thermostat, Thermal Fuse and NTC Whirlpool 24" Compact Condensing Dryer 4-11 ®...

  • Page 40: Removing The Back Panel

    4-10, “Removing the Rear Figure 4). Air Duct". 9. Disengage the belt by pushing in and down on the pulley bracket while sliding the belt off the pulley (see Figure 1). Figure 4 Figure 1 4-12 Whirlpool 24" Compact Condensing Dryer ®...
  • Page 41 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 Whirlpool 24" Compact Condensing Dryer 4-13 ®...

  • Page 42: Removing The Drum

    9. Remove the seven (7) T20 screws from the fan cover (see Figure 1). Figure 1 10. Lift cover up and away from motor shaft to remove (see Figure 2). Figure 1 Figure 2 4-14 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 43: Removing The Water Level Sensor, Drain Pump, And Front Ntc

    Figure 5 15. Remove motor by lifting it straight up and away from base (see Figure 5). Figure 1 5. Remove T20 screw from rear access panel (see Figure 2). Figure 5 Figure 2 Whirlpool 24" Compact Condensing Dryer 4-15 ®...
  • Page 44 8. Remove five (5) T20 screws as shown in Figure 5. Figure 8 Figure 5 NOTE: When replacing the water level sensor make sure to remove all water from tray to ensure proper calibration. 4-16 Whirlpool 24" Compact Condensing Dryer ®...

  • Page 45: Removing The Front Panel And Door Switch

    Figure 10 (see Figure 1). 2. Pull NTC straight out to remove (it is press fit in place). Figure 1 7. Remove two (2) T20 screws as shown in Figure 2. Figure 2 Whirlpool 24" Compact Condensing Dryer 4-17 ®...
  • Page 46 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 4-18 Whirlpool 24" Compact Condensing Dryer ®...
  • Page 47 INFORMATION SOURCES IN THE UNITED STATES: FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL: FOR WHIRLPOOL PRODUCTS: 1-800-253-1301 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER’S HOME CALL: THE TECHNICAL ASSISTANCE LINE: 1-800-832-7174 HAVE YOUR STORE NUMBER READY TO IDENTIFY YOU AS AN...
  • Page 48 Whirlpool® 24" Compact Condensing Dryer W11440958...

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