WHIRLPOOL 4.3 CU FT COMPACT HEAT PUMP DRYER - Service Manual - W11040040A

Oct 22, 2026

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Provides in-home service professionals with service information for the Whirlpool 4.3 cu ft Compact Heat Pump Dryer (models WHD3090GW and WHD5090GW), including general information, safety precautions, and diagnostic and repair guidance. Includes goals and objectives for diagnosing malfunctions, troubleshooting to identify failures, performing necessary component repairs, and returning the dryer to proper operational status. Contains table of contents covering dryer safety, theory of operation, control panel features, maintenance, model/serial number locations, wiring diagram use, diagnostics, service modes, fault/error codes, and component testing procedures.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages68

Reading Time2 h 51 min

AccessFree to download

SECTION 1—GENERAL INFORMATION

DRYER SAFETY

GENERAL INFORMATION

GENERAL THEORY OF OPERATION

CONTROL PANEL AND FEATURES

DRYER MAINTENANCE

MODEL & SERIAL NUMBER LOCATION

TECH SHEET LOCATION

MODEL AND SERIAL NUMBER NOMENCLATURE

PRODUCT SPECIFICATIONS

SECTION 2—DIAGNOSTICS & TROUBLESHOOTING

CONTROL PANEL

ABBREVIATIONS

ICONS

DIAGNOSTIC GUIDE

SERVICE DIAGNOSTIC MODE/SERVICE TEST CYCLE

FAULT/ERROR CODES

TROUBLESHOOTING GUIDE

SECTION 3—COMPONENT TESTING

COMPONENT TESTING: SAFETY INFORMATION

WIRING 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

TEST #5A: ADJUSTING CUSTOMER-FOCUSED DRYNESS LEVEL

Multimedia Enhanced SERVICE MANUAL WHIRLPOOL 4.3 CU FT COMPACT HEAT PUMP DRYER WHD3090GW WHD5090GW L-93 W11040040A FORWARD This Whirlpool Service Manual,(Part No. W11040040A), provides the In-Home Service Professional with service information for the “WHIRLPOOL 4.3 CU FT COMPACT HEAT PUMP DRYER.” The Wiring Diagram used in this Service Manual is typical and should be used for training purposes only. Always use the Wiring Diagram supplied with the product tech sheet when servicing the washer. For specific operating and installation information on the model being serviced, refer to the “Use and Care Guide” 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 malfunctions. • Successfully perform necessary repairs. • Successfully return the washer to its proper operational status. WHIRLPOOL CORPORATION assumes no responsibility for any repairs made on our products by anyone other than authorized In-Home Service Professionals. Copyright © 2017, Whirlpool Corporation, Benton Harbor, MI 49022 TABLE OF CONTENTS WHIRLPOOL COMPACT HEAT PUMP DRYER SECTION 1—GENERAL INFORMATION DRYER SAFETY ....................................................................................................................................1-2 GENERAL INFORMATION ...................................................................................................................1-3 GENERAL THEORY OF OPERATION.....................................................................................................1-4 CONTROL PANEL AND FEATURES .......................................................................................................1-6 DRYER MAINTENANCE .......................................................................................................................1-7 MODEL & SERIAL NUMBER LOCATION ..............................................................................................1-8 TECH SHEET LOCATION.......................................................................................................................1-8 MODEL AND SERIAL NUMBER NOMENCLATURE ..............................................................................1-9 PRODUCT SPECIFICATIONS ..............................................................................................................1-10 SECTION 2—DIAGNOSTICS & TROUBLESHOOTING CONTROL PANEL .................................................................................................................................2-2 ABBREVIATIONS .................................................................................................................................2-3 ICONS ..................................................................................................................................................2-3 DIAGNOSTIC GUIDE............................................................................................................................2-3 SERVICE DIAGNOSTIC MODE/SERVICE TEST CYCLE...........................................................................2-3 ACTIVATING SERVICE DIAGNOSTIC MODE ........................................................................................2-3 SERVICE TEST CYCLE ...........................................................................................................................2-4 SERVICE TEST CYCLE CHART ...............................................................................................................2-5 EXITING SERVICE DIAGNOSTIC MODE .....................................................

FAQs

What is the purpose of this Whirlpool service manual?

It enables in-home service professionals to diagnose malfunctions properly and perform repairs for the Whirlpool compact heat pump dryer.

Which models are covered in the service manual?

The manual covers Whirlpool 4.3 cu ft compact heat pump dryer models WHD3090GW and WHD5090GW.

Where can service technicians find the wiring diagram and related training guidance?

The manual states that the wiring diagram is typical and should be used for training purposes only, and it points technicians to use the wiring diagram supplied with the product tech sheet for servicing.

Oct 22, 2026

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