Whirlpool CATALYST Operating instructions
I
ELECTRONIC
THREE-SPEED
AUTOMATIC
WASHERS
with
CATALYST
CLEANING ACTION™
CONSUMER SERVICES TECHNICAL
EDUCATION GROUP PRESENTS L-66
JOB AID
Part No. 4322673
PB
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.
© 2000 Whirlpool Corporation, Benton Harbor, MI 49022
CO
RP
O
R
A
T
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
SAFETYSAFETY
SAFETY ........................................................................................
........................................................................................
............................................ IIIIII
IIIIII
III
SECTION ONE
FEATURESFEATURES
FEATURESFEATURES
FEATURES ........................................................................................
........................................................................................
............................................ 11
11
1
SECTION TWO
THEORY OF OPERATIONTHEORY OF OPERATION
THEORY OF OPERATIONTHEORY OF OPERATION
THEORY OF OPERATION ..................................................................
..................................................................
................................. 77
77
7
SECTION THREE
COMPONENT ACCESSCOMPONENT ACCESS
COMPONENT ACCESSCOMPONENT ACCESS
COMPONENT ACCESS
COMPONENT LOCATION ............................................................... 15
ACCESSING CRITICAL COMPONENTS ........................................ 16
SECTION FOUR
COMPONENT TESTING & DIAGNOSISCOMPONENT TESTING & DIAGNOSIS
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 TIPSTECH TIPS
TECH TIPS
WIRING DIAGRAM .......................................................................... 35
WARRANTY INFORMATION ........................................................... 35
MODEL/SERIAL NUMBER LOCATION........................................... 36
MODEL/SERIAL NUMBER DESIGNATION .................................... 36
PB
-- NOTES --
1
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
C
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
2
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.
3
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
4
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
5
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.
6
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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1
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