Whirlpool Catalyst Troubleshooting & Repair Manual
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Whirlpool Catalyst Troubleshooting & Repair Manual

Electronic three-speed automatic washers with catalyst cleaning action
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CONSUMER SERVICES TECHNICAL
L-66
EDUCATION GROUP PRESENTS
ELECTRONIC
THREE-SPEED
AUTOMATIC
WASHERS
with
CATALYST
CLEANING ACTION™
JOB AID
Part No. 4322673
I

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  • Page 1 CONSUMER SERVICES TECHNICAL L-66 EDUCATION GROUP PRESENTS ELECTRONIC THREE-SPEED AUTOMATIC WASHERS with CATALYST CLEANING ACTION™ JOB AID Part No. 4322673...
  • Page 2 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, service and repair procedures. For additional information on the basic washer components, refer to Job Aid #787930. For additional information on AccuWash, Automatic Tempera- ture Control, refer to Job Aid #4322334.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SAFETY SAFETY ..................SAFETY SAFETY ..........SAFETY ..................III SECTION ONE FEATURES FEATURES ............................ 1 1 1 1 1 FEATURES FEATURES ..........FEATURES ..........SECTION TWO THEORY OF OPERATION THEORY OF OPERATION ..............
  • Page 4 -- NOTES --...
  • Page 5 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.
  • Page 6 Water passing across the venturi opening creates a low pressure area behind the venturi pulling the bleach into the passing water flow. TUB RING Bleach/Fresh Water Mixture Inlet Catalyst Cleaning Action™ Fresh Water Inlet Spray Inlet Fabric Softener...

  • Page 7: Out Of Balance Switch

    The Out of Balance Switch controls the motor operation during the Catalyst Cleaning portion of the cycle, as well as during the 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.

  • Page 8: Balance Ring

    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.
  • Page 9 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.

  • Page 10: Hidden Lid Switch

    AccuWash option to control incoming water temperature. HIDDEN LID SWITCH Hinge 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.

  • Page 11: Section Two

    Section Two THEORY OF OPERATION CONTROL PANEL Fig. 2-1 OPERATING THE CLOTHES WASHER Choosing Cycles Use the SELECT CYCLE keypads to choose the wash cycle for the type of fabrics being washed. Fig. 2-2 GENERAL INFORMATION The Electronic Control allows the consumer to add or subtract agitation time in all cycles. •...
  • Page 12 WHITEST WHITES Detergent and bleach are dispensed at the proper time for the best possible performance. This cycle introduces liquid chlorine bleach sooner to the load than the other cycles for improved whitening of heavily soiled white fabrics. The default motor speeds for agitation and spin are both high speed.
  • Page 13 Use the OPTIONS control to select the desired options for the wash cycle. CATALYST CLEANING™ CATALYST CLEANING™ allows detergent to soak and penetrate the entire load giving im- proved stain and soil removal. This option will last one (1) to five (5) minutes depending on the cycle selected.

  • Page 14: Water Level

    WATER LEVEL Up to five (5) different water levels can be selected ranging from SMALL LOAD to LARGE LOAD. In most cycles, reducing the water level will result in the motor operating at a slower agitation speed. See chart on page 9. WASH/RINSE TEMP CONTROL This allows the selection of four (4) different wash and rinse water temperature combinations based on the type of load being washed.

  • Page 15: Operating Controls

    Operating Controls Press the START keypad to start the washer after a cycle has been selected. Press the PAUSE/CANCEL keypad to pause or stop the washer at any time. Press the START keypad to complete the cycle from where it was stopped. Press the PAUSE/CANCEL keypad twice to turn the washer off.
  • Page 16 • If Spin Only is added to any cycle, it becomes an additional 4 minutes of spin. • Soak will provide both some agitation and spin. • Catalyst Clean is selectable in all cycles except Quick Wash and Hand Wash.
  • Page 17 2 - REGULAR 3 - PERM PRESS 4 - DELICATE 5 - HAND WASH 6 - QUICK WASH 7 - WHITEST WHITES 8 - SOAK 9 - RINSE/SPIN 10 - SPIN ONLY NOTES: • All Catalyst Cleaning Action takes place at 420.
  • Page 18 -- NOTES --...

  • Page 19: Component Location

    Section Three COMPONENT ACCESS COMPONENT LOCATION ELECTRONIC CONTROL BOARD WATER LEVEL TRANSDUCER RECIRCULATION PRESSURE SWITCH OUTLET VALVES RECIRCULATION INLET PRESSURE DOME VALVES OUT-OF-BALANCE SWITCH DIVERTER VALVE Fig. 1...

  • Page 20: Accessing Components In The Console

    ACCESSING COMPONENTS IN THE CONSOLE Disconnect the power supply to the washer. Remove the two (2) Phillips Head screws securing the lower left and right rear corners Fig. 2 of the console to the washer top. (Fig. 2) Tilt the console back on the hinges that secure the top of the console to the washer back.
  • Page 21 To remove the Electronic Control Board from the control bracket, squeeze the sides of both mounting clips and pull up on the entire assembly. (Fig. 4) DEPRESS Fig. 4 DEPRESS...
  • Page 22 ACCESSING COMPONENTS IN THE WASHER CABINET Components inside the washer cabinet can be accessed by completely removing INSET 1 the outer cabinet as one unit. Refer to Figure 5 for the following instructions. Fig. 5 1. Remove the console mounting screws and tilt the console into the service position.
  • Page 23 NOTE:If the washer must be operated with the cabinet removed, the dispenser hoses previously disconnected must be held into the basket to avoid water spray. Install a jumper wire (Part No. 285784) in the lid switch harness connector as shown. IMPORTANT: Use extreme caution when operating the washer with the cabinet removed as electri...
  • Page 24 Removing the Bleach and Fabric Softener Dispenser Assembly Disconnect the two (2) inlet hoses from the bleach and fabric softener dispenser assembly. Disengage the tabs around the perimeter of the assembly from the washer top and remove the assembly from the topside of the washer top. Removing the Detergent Dispenser Disconnect the inlet hose from the detergent dispenser cup.
  • Page 25 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 Fig. 10 Shut off the water supply and disconnect the hot and cold inlet hoses.
  • Page 26 Fig. 12 Fig. 13 SCREW SLIDE TO LEFT TO DISENGAGE TABS Servicing the Catalyst Cleaning Action™ Recirculation System Figure 17 illustrates the various components of the Catalyst Cleaning Action™ recirculation system. These components are: • Pump • Diverter Valve •...
  • Page 27 RECIRCULATION PRESSURE SWITCH RECIRCULATION SPRAY TUB INLET RECIRCULATION RECIRCULATION HOSE PRESSURE DOME FROM PUMP DIVERTER VALVE Fig. 17 NOTE: The Diverter Valve is equipped with a plastic protective cover. If the diverter valve is serviced or replaced the protective cover MUST be reinstalled.
  • Page 28 -- NOTES --...

  • Page 29: Service Diagnostic Tests

    Section Four COMPONENT TESTING AND DIAGNOSIS SERVICE DIAGNOSTIC TESTS The control must be in the OFF state before pressing the keys to initiate the diagnostic tests. To start the test routine, press the following key pads in this sequence: WASH/RINSE > ACCUWASH > WASH/RINSE > ACCUWASH within five (5) seconds.
  • Page 30 SERVICE DIAGNOSTIC TESTS KEY PAD DISPLAY CONTROL ACTION COMPONENT Pressure NORMAL Hot, cold and fresh water valves are on until a E R E R E R E R E R Transducer/ low water level is reached, and the small load Agitate Test water level LED comes on.

  • Page 31: Error Codes

    ERROR CODES DISPLAY EXPLANATION If the transducer signals a high or a low water level for more than 16 (Fill Failure) seconds the washer will shut off and FF will flash. • Press the RINSE OPTIONS button and select DRAIN/SPIN to drain washer.

  • Page 32: Troubleshooting Test Procedures

    TROUBLESHOOTING TEST PROCEDURES Test #1 - 120 VAC Electrical Supply Check for 110-125 VAC to the control board. With the washer off but connected to the AC outlet, measure the AC voltage between Pins 2 and 1 at connector P5. If 110-125 VAC is present, continue with the remaining Troubleshooting Tests as needed.
  • Page 33 If the resistance is outside of range, replace the valve assembly. Test #3 - Off-Balance Solenoid Switch Test Unplug the washer and disconnect connectors P5 and P6 from the control board before check- ing the resistance. Make the checks at contacts shown. NOTE: Off balance arm must be depressed to read solenoid resistance.
  • Page 34 Test #5 - Console Touch Switches and Indicator Test Refer to the Service Diagnostic Tests and run the Console Switches and Indicator Test routine. Start the test by pressing the Start button. No LEDs light up a) Visually check that connectors P3 and P4 are inserted all the way into the control board. b) If these connections are good, remove P3 and P4 from the control board while the power is still on.
  • Page 35 Using the RINSE/SPIN P3-3 P3-6 table in the tech sheet, measure the P3-1 P3-7 CATALYST resistance across the switch when the switch button is pressed. The meter P3-1 P4-5 START must be connected with the proper P3-2...
  • Page 36 Test #6 - Automatic Temperature Control (ATC) Test This test checks the water inlet relays, the temperature sensor, and the control board. A: Test the fill valves Check that the hot and cold water valves are working. Use the procedure in Test #2. Note: This test MUST be done with the Automatic Temperature Control off.
  • Page 37 Test #7 - Water Level Transducer Test The FF FF diagnostic code is displayed on console or, the customer complains of unexpected water levels. Customer complains of unexpected water levels. A. Verify the complaint with the following procedure by checking for proper water level fills. Use the table below: WATER LEVEL SELECTION LEVEL IN BASKET (inches)
  • Page 38 -- NOTES --...

  • Page 39: Wiring Diagram

    Section Five TECH TIPS WIRING DIAGRAM WARRANTY INFORMATION 1 year Parts and Labor - entire unit 2-5 yr. Parts only - Gearcase assembly Top and Lid rust Electronic Controls-includes Keyswitch 2-10yr Parts only - Outer tub Lifetime Parts only- White porcelain spin basket for chipping or rust.
  • Page 40 The Model/Serial Number Plate is located at the back of the opening of the washer top underneath the lid. Model/Serial Number Plate MODEL NUMBER DESIGNATOR PRODUCT GROUP G = WHIRLPOOL GOLD S = SUPER CAPACITY PLUS X = CATALYST CYCLES SPEED COMBINATIONS TEMPERATURES WATER LEVELS...
  • Page 41 -- NOTES --...
  • Page 42 -- NOTES --...
  • Page 43 PRODUCT SPECIFICATIONS WARRANTY INFORMATION SOURCES IN THE UNITED STATES: FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL: FOR WHIRLPOOL PRODUCTS: 1-800-253-1301 FOR KITCHENAID PRODUCTS: 1-800-422-1230 FOR ROPER PRODUCTS: 1-800-447-6737 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER’S HOME CALL: THE TECHNICAL ASSISTANCE LINE: 1-800-253-2870...
  • Page 44 CO RPO RA TIO N...

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