Whirlpool CATALYST Operating instructions

ELECTRONIC

THREE-SPEED

AUTOMATIC

WASHERS

with

CATALYST

CLEANING ACTION™

CONSUMER SERVICES TECHNICAL

EDUCATION GROUP PRESENTS L-66

JOB AID

Part No. 4322673

INTRODUCXTION

This Job Aid, “ELECTRONIC THREE-SPEED AUTOMATIC WASHERS with CATALYST CLEANING

ACTION™,” (Part No. 4322673), has been compiled to provide the most recent information on design,

features,troubleshooting,serviceandrepairprocedures. Foradditionalinformationonthebasicwasher

components, refer to Job Aid #787930. For additional information on AccuWash, Automatic Tempera-

ture Control, refer to Job Aid #4322334.

GOALS AND OBJECTIVES

The goal of this Job Aid is to provide detailed information that will enable the service technician to

properly diagnose malfunctions and repair of the clothes washer.

The objectives of the Job Aid are:

The service technician will -

• Understand proper safety precautions.

• Successfully troubleshoot and diagnose malfunction.

• Successfully perform necessary repairs.

• Successfully return the air conditioner to proper operational status.

WHIRLPOOL CORPORATION ASSUMES NO RESPONSIBILITY

FOR ANY REPAIRS MADE ON OUR PRODUCTS BY ANYONE

OTHER THAN AUTHORIZED SERVICE TECHNICIANS.

ION

III

SAFETY

! WARNING

ELECTRICAL SHOCK HAZARD

Disconnect power before servicing the washer.

Replace all panels before operating the washer.

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

TABLE OF CONTENTS

SAFETYSAFETY

SAFETY ........................................................................................

........................................................................................

............................................ IIIIII

IIIIII

III

SECTION ONE

FEATURESFEATURES

FEATURES ........................................................................................

........................................................................................

............................................ 11

SECTION TWO

THEORY OF OPERATIONTHEORY OF OPERATION

THEORY OF OPERATION ..................................................................

..................................................................

................................. 77

SECTION THREE

COMPONENT ACCESSCOMPONENT ACCESS

COMPONENT ACCESS

COMPONENT LOCATION ............................................................... 15

ACCESSING CRITICAL COMPONENTS ........................................ 16

SECTION FOUR

COMPONENT TESTING & DIAGNOSISCOMPONENT TESTING & DIAGNOSIS

COMPONENT TESTING & DIAGNOSIS

SERVICE DIAGNOSTIC TESTS ...................................................... 25

ERROR CODES ............................................................................... 27

TROUBLESHOOTING TEST PROCEDURES ................................. 29

SECTION FIVE

TECH TIPSTECH TIPS

TECH TIPS

WIRING DIAGRAM .......................................................................... 35

WARRANTY INFORMATION ........................................................... 35

MODEL/SERIAL NUMBER LOCATION........................................... 36

MODEL/SERIAL NUMBER DESIGNATION .................................... 36

-- NOTES --

CATALYST CLEANING™ uses laundry detergent in a unique way. Water flushes the detergent from

the dispenser to dissolve the detergent. Then the concentrated detergent mixture is sprayed on to the

load while the washer spins at low speed.

CATALYST CLEANING™ will last one to five minutes, depending on the cycle selected. The washer

then stops spinning and fills to the selected water level and continues washing with the selected cycle.

Section One

FEATURES

atalyst Cleaning™

CATALYST CLEANING™ allows detergent to soak and penetrate the

entire load giving improved stain and soil removal.

CATALYST CLEANING ACTION™ RECIRCULATION SYSTEM

DIVERTER

VALVE FROM PUMP

RECIRCULATION

PRESSURE DOME

RECIRCULATION

PRESSURE

SWITCH

RECIRCULATION

SPRAY

TUB INLET

RECIRCULATION

HOSE

QUIETPAK™

The QUIET PAK™ System is designed to reduce water sounds and mechanical noises. The cabinet

andbase are insulated withsound-dampeningmaterialsoverwhich an additionaltub wrap is added for

superior vibration and sound-dampening characteristics.

SOUND ABSORBING

TUB WRAP

RING

GUARD

Catalyst

Cleaning

Action™

Spray Inlet

Bleach/Fresh Water Mixture Inlet

Fresh Water Inlet

Fabric Softener

Mixture Inlet

Detergent/

Fresh Water

Mixture Inlet

BLEACHVENTURI

TUBRING

The bleach venturi causes a siphoning action to

draw bleach from the bleach dispenser. Water

passing across the venturi opening creates a low

pressureareabehindtheventuripullingthebleach

into the passing water flow.

The Out of Balance Switch controls the motor operation during the Catalyst Cleaning portion of the

cycle,as wellas duringthe spin. If an out of balance condition occurs during Catalyst Clean, the motor

circuit is interrupted. The motor will stop momentarily to allow the load to settle, then restart. If the Out

of Balance Switch is actuated four times, the Electronic Control will skip the Catalyst Clean cycle and

jump to the wash increment.

If an out of balance condition occurs during spin,

the motor circuit will again be interrupted

momentarily to allow the load to settle. If the Out

of Balance switch is actuated four times during

the spin cycle, the cycle will stop and the control

will display “OB”.

Thewater level transducer islocated at theleft end ofthe console area andis used toregulate the level

of wash and rinse water in the tub. The electronic pressure transducer converts air pressure created

in the pressure dome to a low voltage square wave signal. The microcomputer on the control board

reads the signal directly. The microcomputer then translates the frequency into inches of water. This

is then compared to the setting selected by the user during the wash cycle.

The transducer also contains a mechanical overfill switch in the same transducer body. This operates

the same as the standard pressure switch. The overfill operates (opens) when the water level in the

tub is beyond the standard high fill level (flood level).

TRANSDUCER

HARNESS

PLUGS

PRESSURETRANSDUCER

OUT OF BALANCE SWITCH

BALANCERING

The Balance Ring is a special dual chambered ring with the traditional water ballast in the top chamber

and an oil charge with steel balls in the lower chamber. The additional ballast is required to counteract

the clothing load during the Catalyst Cleaning mode.

The ring is attached to the spin basket and is not available as a separate component.

The oil chamber contains approximately 320 cc of oil and should be treated as any other oil when

disposal becomes necessary.

Balance Ring shown upside-down

DISPENSERS

Bleach

Dispenser Fabric

Softener

Dispenser

Splash

Shield

Clothing

Diverter Detergent

Dispenser

Bleach, Detergent and Fabric Softener dispensers are provided to allow the consumer to load the

laundry additives with the clothing load. The dispensers allow the additives to be introduced to the

laundry load at the proper time in the cycle.

A diverter is molded into the tub ring to push the dry clothing into the basket during the Catalyst Clean-

ing portion of the cycle.

HIDDENLIDSWITCH

Hinge

Lid

Switch

A hidden lid switch is used on the Catalyst Clean model. It is located under the right rear corner of the

washer top and is actuated by the lid hinge.

INLETANDDISPENSERVALVEASSEMBLY

A new inlet valve assembly is used on this model. It is made up of the hot and cold inlet valves and the

dispenser valves that operate the dispensers as well as the fresh water fill. Also included is the

thermistor used with the AccuWash option to control incoming water temperature.

Bleach Dispenser Outlet Valve

(with Back-Flow Restrictor)

Fabric Softener Dispenser

Outlet Valve

Detergent Dispenser

Outlet Valve

Fresh Water Outlet Valve

(with Back-Flow Restrictor

and Thermistor)

Cold Water Inlet Valve

Hot Water Inlet Valve

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