Whirlpool WRT138FZDB SERIES Bedienungsanleitung

TECHNICAL EDUCATION

JOB AID W10329932

L-84

Vertical Modular

Washer

R-122

SERVICE MANUAL

“MATRIX”

18.2 CU FT TOP MOUNT REFRIGERATOR

W10881764

WRT138FZDB**, WRT138FZDM**, WRT138FZDW**

*All Engineering Versions

ii n

18.2 Cu Ft Top Mount Refrigerator

FORWARD

This Whirlpool Service Manual, (Part No. W10881764), provides the In-Home Service Professional with

service informaon for the “18.2 CU FT TOP MOUNT REFRIGERATOR.”

The Wiring Diagrams used in this Service Manual are typical and should be used for training purposes

only. Always use the Wiring Diagram supplied with the product tech sheet when servicing the

refrigerator.

For specic operang and installaon informaon on the model being serviced, refer to the “Use and

Care Guide” or “Installaon Instrucons” provided with the refrigerator.

GOALS AND OBJECTIVES

The goal of this Service Manual is to provide informaon that will enable the In-Home Service

Professional to properly diagnose malfuncons and repair the “18.2 CU FT TOP MOUNT

REFRIGERATOR.”

The objecves of this Service Manual are to:

• Understand and follow proper safety precauons.

• Successfully troubleshoot and diagnose malfuncons.

• Successfully perform necessary repairs.

• Successfully return the refrigerator to its proper operaonal status.

WHIRLPOOL CORPORATION assumes no responsibility for any repairs made on our

products by anyone other than authorized In-Home Service Professionals.

18.2 Cu Ft Top Mount Refrigerator n

iii

TABLE OF CONTENTS

18.2 Cu Ft Top Mount Refrigerator

 SECTION1—GENERALINFORMATION

REFRIGERATOR SAFETY ......................................................................................................................1-2

MODEL & SERIAL NUMBER LABEL LOCATION....................................................................................1-3

TECH SHEET LOCATION.......................................................................................................................1-3

NOTES .................................................................................................................................................1-4

SECTION2—THEORYOFOPERATION

DIAGNOSTICS & TROUBLESHOOTING: SAFETY INFORMATION ........................................................2-2

POWER DISTRIBUTION.......................................................................................................................2-3

REFRIGERATION SYSTEM....................................................................................................................2-4

WATER & ICE SYSTEM .........................................................................................................................2-5

DEFROST SYSTEM ...............................................................................................................................2-5

LIGHTING SYSTEM ..............................................................................................................................2-5

NOTES .................................................................................................................................................2-6

SECTION3—DIAGNOSTICS&COMPONENTACCESS

DIAGNOSTICS .....................................................................................................................................3-2

COMPONENT ACCESS.........................................................................................................................3-3

iv n

18.2 Cu Ft Top Mount Refrigerator

PRODUCT SPECIFICATIONS & WARRANTY INFORMATION SOURCES (inside back cover)

GENERAL INFORMATION

18.2 Cu Ft Top Mount Refrigerator n

1-1

Section 1:

General Information

This secon provides general safety, parts, and informaon for

the “18.2 Cubic Foot Top Mount Refrigerator”

nRefrigerator Safety

nModel & Serial Number Locaon

nTech Sheet Locaon

1-2 n

18.2 Cu Ft Top Mount Refrigerator

GENERAL INFORMATION

Refrigerator Safety

You can be killed or seriously injured if you don't immediately

You can be killed or seriously injured if you don't follow

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.

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 alert symbol and either the word “DANGER” or “WARNING.”

These words mean:

follow instructions.

instructions.

DANGER

WARNING

GENERAL INFORMATION

18.2 Cu Ft Top Mount Refrigerator n

1-3

Model & Serial Number Locaon

The Model & Serial Number tag is located in the Refrigerated Compartment on the le side liner near the top (Figure 1).

Tech Sheet Locaon

The Tech Sheet is located on the boom rail of the machine compartment in the rear of the unit (Figure 2).

FIGURE 2: Tech Sheet Location

FIGURE 1: Model & Serial Number location

1-4 n

18.2 Cu Ft Top Mount Refrigerator

GENERAL INFORMATION

Notes

THEORY OF OPERATION

18.2 Cu Ft Top Mount Refrigerator n

2-1

Section 2:

THEORY OF OPERATION

This secon provides informaon on Theory of Operaon for

the “18.2 Cu Ft Top Mount Refrigerator.”

nPower Distribuon

nRefrigeraon System

nDefrost System

nLighng System

nComponent Access

nDiagnosc & Troubleshoong

2-2 n18.2 Cu Ft Top Mount Refrigerator

THEORY OF OPERATION

For Service Technician Use Only

Voltage Measurement Safety Information

When performing live voltage measurements, you must do the following:

nVerify the controls are in the off position so that the appliance does not start when energized.

nAllow enough space to perform the voltage measurements without obstructions.

nKeep other people a safe distance away from the appliance to prevent potential injury.

nAlways use the proper testing equipment.

nAfter voltage measurements, always disconnect power before servicing.

IMPORTANT: Electrostatic Discharge (ESD) Sensitive Electronics

ESD problems are present everywhere. Most people begin to feel an ESD discharge at approximately

3000V. It takes as little as 10V to destroy, damage, or weaken the main control assembly. The new

main control assembly may appear to work well after repair is nished, but a malfunction may occur

at a later date due to ESD stress.

nUse an anti-static wrist strap. Connect wrist strap to green ground connection point or unpainted

metal in the appliance

-OR-

nTouch your nger repeatedly to a green ground connection point or unpainted metal in the

appliance.

nBefore removing the part from its package, touch the anti-static bag to a green ground

connection point or unpainted metal in the appliance.

nAvoid touching electronic parts or terminal contacts; handle electronic control assembly by

edges only.

nWhen repackaging main control assembly in anti-static bag, observe above instructions.

IMPORTANT SAFETY NOTICE — “For Technicians only”

This service data sheet is intended for use by persons having electrical, electronic, and mechanical

experience and knowledge at a level generally considered acceptable in the appliance repair trade.

Any attempt to repair a major appliance may result in personal injury and property damage. 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.

DANGER

Electrical Shock Hazard

Only authorized technicians should perform diagnostic

voltage measurements.

After performing voltage measurements, disconnect

power before servicing.

Failure to follow these instructions can result in death or

electrical shock.

WARNING

Electrical Shock Hazard

Disconnect power before servicing.

Failure to do so can result in death or

electrical shock.

Re place all parts and panelsbefore operating.

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