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TECHNICAL EDUCATION

JOB AID W10329932

L-84

Vertical Modular

Washer

M-17

Maytag Dishwashers

4-Blade Stainless Steel Chopper

W11035362

SERVICE MANUAL

Содержание MDB series

Страница 1: ...M 17 Maytag Dishwashers 4 Blade Stainless Steel Chopper W11035362 SERVICE MANUAL ...

Страница 2: ... and Care Guide or Installation Instructions provided with the dishwasher 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 Maytag Chopper Dishwasher The objectives of this Service Manual are to Understand and follow proper safety precautions Successfully troubleshoot and...

Страница 3: ...STIC CYCLE NOTES 2 4 CUSTOMER CYCLE OPERATION 2 4 SERVICE DIAGNOSTICS WITH ERROR CODES 2 5 SERVICE ERROR CODES 2 6 TROUBLESHOOTING GUIDE 2 11 SECTION 3 TESTING TESTING WARNINGS 3 2 WIRING DIAGRAM 3 3 CONTROL BOARD INFORMATION 3 4 FUSE SERVICE RESISTANCE CHECKS 3 4 COMPONENT TESTING 3 4 ELECTRONIC CONTROL BOARD 3 5 METER CHECK OF LOADS SUPPLIES 3 5 GENERAL THEORY OF OPERATION 3 6 POWER CHECK 3 6 DO...

Страница 4: ...ISPENSER ASSEMBLY 4 7 REMOVING WATER FILL DISPENSER COMPONENTS 4 8 ADVANCED POWER DRY SIDE DRY 4 9 OVERFILL ASSEMBLY 4 10 IN TUB COMPONENTS 4 11 SPRAY ARMS FEED TUBE AND MANIFOLD 4 12 REMOVING THE RACKS 4 13 REMOVING LOWER SPRAY ARM 4 14 UNDER TUB COMPONENTS 4 15 REMOVING HEATER ASSEMBLY 4 16 REMOVING DRAIN PUMP 4 17 REMOVING OPTICAL WATER INDICATOR OWI 4 18 REMOVING THE SUMP ASSEMBLY 4 19 CHOPPER...

Страница 5: ...on This section provides general safety parts and information for the Maytag Chopper Dishwasher Dishwasher Safety General Theory of Operation New Components Model Serial Number Label Tech Sheet Location Model Serial Number Nomenclature Dishwasher Specifications Parts Features Notes ...

Страница 6: ... 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 aler...

Страница 7: ...nd up recirculating and sticking to your dishes and glassware How Chopper Works See Figure 1 1 Water and food particles flow through the coarse filter then are disintegrated by the Chopper blades A 2 An impeller pulls soiled water into the wash pump through the screen B filtering soil particles too large to pass through and sending them back to the Chopper blades 3 The wash water is then cycled ba...

Страница 8: ...Components Chopper Sump Assembly Top Bottom Views Accumulator Cover Accumulator Screen Ass y Diverter Cover Chopper Motor Assembly Drain Pump Port Motor Capacitor Chopper Motor Assembly Figure 2 Chopper Sump Assembly Top Figure 3 Chopper Sump Assembly Bottom ...

Страница 9: ...ess Steel Elements FID Console Display with Stainless Steel Bar Handle Figure 4 Full Stainless Steel Tub Spray Arms and Sump Cover Figure 6 Full Stainless Steel Tub Stainless Steel Spray Arms Stainless Steel Sump Cover 7 Segment Display Stainless Steel Silverware Basket Figure 5 ...

Страница 10: ...N Tech Sheet Location Model Serial Number Label Tech Sheet Location Figure 7 Model Serial Number Label located inside on left side wall toward front Figure 8 Tech Sheet located behind toe panel inside insulation folds Model Serial Number Label Location ...

Страница 11: ...e number the more features CONSOLE 49 Traditional control 69 Fully integrated control TUB MATERIAL S Stainless Steal YEAR OF INTRODUCTION D 2014 COLOR W or H White B or E Black M Monochromatic SS Z Stainless Steel K Cast Iron ENGINEERING CHANGE 0 Basic Release 1 First Revision 2 Second Revision Model Serial Number Nomenclature SERIAL NUMBER F 4 25 10000 MANUFACTURING SITE F FINDLAY OH YEAR OF MANU...

Страница 12: ... 120 VAC 260 300 W Wax Motor 120 VAC 1 4K 3 0K W AC Fan Motor 120 VAC 60 80 W some models DC Fan Motor 5 VDC 31K 41K W Vent Wax Motor 120 VAC 600 1 800 W Power Blast Wax Motor 120 VAC 600 1 800 W Sensors NTC Thermistor Water Sensor OWI Switches Door Switch 13 VDC Float Switch 120 VAC TCO Bi Metal Incorporated into Control Board Penninsula Slots Fuse F9 Small Triac Load Fuse Wash System Maintenance...

Страница 13: ...Water inlet opening Detergent dispenser Heating element Upper spray arm Silverware basket varies by model Cup shelf varies by model Overfill protection float Lower spray arm has pressurized sprays that provide effective cleaning Rinse aid dispenser reduces spotting and improves drying Rack height adjusters on some models Fold down tines on some models High side shelf on some models ...

Страница 14: ...1 10 n Maytag Chopper Dishwashers GENERAL INFORMATION Notes ...

Страница 15: ...s section provides diagnostic fault codes and troubleshooting information for the Maytag Chopper Dishwashers Diagnostics Troubleshooting Safety Service Diagnostic Cycle Service Diagnostic Cycle Notes Customer Cycle Operation Service Diagnostics with Error Codes Service Error Codes Troubleshooting Guide ...

Страница 16: ...y to a green ground connection point or unpainted metal in the appliance Before removing the part from its package touch the anti static bag to a green ground connection point or unpainted metal in the appliance Avoid touching electronic parts or terminal contacts handle electronic control assembly by edges only When repackaging main control assembly in anti static bag observe above instructions I...

Страница 17: ...H MOTOR DISPENSER DETERGENT RINSE AID DRAIN MOTOR HEATER REGEN IF PRESENT 0 06 0 08 0 08 0 08 0 08 0 10 0 51 0 13 0 08 0 10 1 00 2 00 0 15 2 00 0 15 1 00 1 00 0 15 0 15 0 30 2 00 0 08 0 08 APF OWI OWI OWI THR SRM PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT VNT VNT VNT VNT VNT VNT VNT VNT VNT VNT VNT VNT VNT VNT FIL FIL FIL APF WSH WSH WSH WSH WSH WSH WSHWSH DSP APF DRN DRN DRN FAN HTR ...

Страница 18: ...or details 2 Turn on all LEDs immediately upon receiving the entry sequence even if the door is open for 5 seconds as a display test Turn off all LEDs for 1 second prior to reporting customer error history 3 Press HI TEMP in this interval to clear customer error history If the Hi Temp key does not respond the control panel is in sleep mode Open and close the door to wake up the control panel and t...

Страница 19: ... Start key Count the Clean LED flashes 2 seconds Count Clean LED flashes 5 seconds INTERV OR ON DISPLAY MODELS Read F on Display 0 5 seconds Read E on Display 1 second ERROR 3 SHOW FUNCTION CODE PAUSE SHOW PROBLEM CODE PAUSE Repeat 3 times unless advanced by Start key Count the Clean LED flashes 2 seconds Count Clean LED flashes 5 seconds INTERV OR ON DISPLAY MODELS Read F on Display 0 5 seconds R...

Страница 20: ...WASHER OR RECONNECT POWER WAIT AT LEAST 7 SECONDS FOR CONTROL TO POWER UP COMPLETELY CLOSE DISHWASHER DOOR AND MONITOR CONTROL RESPONSE A IF CONTROL IS OK NO LONGER SEES STUCK KEYS WITH KEYPAD UNPLUGGED IT WILL RESPOND BY TURNING ON THE DRAIN MOTOR FOR 2 MINUTES REPLACE KEYPAD AND CONSOLE B IF CONTROL IS NOT OK STILL SEES STUCK KEYS WITH KEYPAD UNPLUGGED IT WILL NOT TURN ON DRAIN MOTOR WAIT FOR AT...

Страница 21: ... AND ATTACH TO UNDERSIDE OF COUNTERTOP IF POSSIBLE 4 WASH MOTOR 3 MOTOR NOT RUNNING LOOSE CONNECTION IN MOTOR CIRCUIT AND OR FAULTY WASH MOTOR 1 CHECK OPERATION OF WASH MOTOR DURING DIAGNOSTICS 2 UNPLUG DISHWASHER OR DISCONNECT POWER 3 CHECK RESISTANCES OF CONNECTIONS IN THE WASH CIRCUIT IF HIGH RESISTANCE CHECK FIX LOOSE CONNECTIONS OR REPLACE WASH MOTOR CONTROL MOTOR DRIVE CIRCUIT OR SENSE CIRCU...

Страница 22: ...CT WATER OVERFILL SWITCH STUCK IN OVERFILL POSITION AND OR DISHWASHER NOT LEVEL CHECK OTHER ERROR CODES TO SEE IF 6 4 ALSO OCCURRED SEE 6 4 ERROR CODE BELOW FILL VALVE ELECTRICAL PROBLEM CHECK OTHER ERROR CODES TO SEE IF 6 2 ALSO OCCURRED SEE 6 2 ERROR CODE BELOW 2 FILL VALVE ELECTRICAL PROBLEM LOOSE CONNECTION IN FILL VALVE CIRCUIT AND OR OPEN FILL VALVE SOLENOID UNPLUG DISHWASHER OR DISCONNECT P...

Страница 23: ...ANK NEAR THE SENSOR CONNECTION TO FORCE THE SWITCH CLOSED 5 WITH THE MAGNET IN PLACE RUN THE COMPLETE SERVICE DIAGNOSTICS CYCLE IF THE SANITIZED LED TURNS ON IN INTERVAL 3 THE CONTROL IS GOOD REPLACE THE FLOWMETER ASSEMBLY IF THE SANITIZED LED DOES NOT TURN ON THE CONTROL INPUT HAS FAILED REPLACE THE CONTROL 8 WATER SOFTENER REGEN VALVE ELECTRICAL PROBLEM WATER SOFTENER MODELS ONLY LOOSE CONNECTIO...

Страница 24: ...IS FROM IMPELLER OPEN FUSE ON CONTROL TO DRAIN MOTOR REFER TO FUSE SERVICE CHECK ON PAGE 3 4 IN TESTING SECTION DRAIN MOTOR DRIVE CIRCUIT ON THE CONTROL UNPLUG DISHWASHER OR DISCONNECT POWER AND REPLACE CONTROL 3 DRAIN STUCK ON DRAIN MOTOR DRIVE CIRCUIT ON THE CONTROL 1 UNPLUG DISHWASHER OR DISCONNECT POWER AND REPLACE CONTROL 2 INSPECT DRAIN MOTOR AND CONNECTIONS FOR OVERHEATING SHORTING IF EVIDE...

Страница 25: ... TABLE USER INTERFACE OR CONTROL 1 UNPLUG DISHWASHER OR DISCONNECT POWER DISASSEMBLE DOOR AND INSPECT CONTROL POWER CONNECTOR P4 AND ADJACENT PC BOARD FOR DAMAGE REPLACE AS NEEDED 2 REFER TO SERVICE ERROR CODES TABLE FOR STUCK KEY 2 1 RUN THE DIAGNOSTIC CHECK ITEM 1 IF DRAIN MOTOR TURNS ON CONTROL IS OK REPLACE THE UI IF DRAIN MOTOR DOES NOT RUN ON REPLACE CONTROL 3 INSPECT UI CABLE FOR LOOSE OR D...

Страница 26: ...UBLESHOOTING GUIDE SECTION 10 3 FOR MODELS WITH A CAPACITIVE TOUCH KEYPAD ON THE FRONT OF UNIT CONTROL PANEL IS IN SLEEP MODE WHERE ALL KEYS EXCEPT START RESUME AND CANCEL DRAIN ARE DISABLED AFTER 30 SECONDS OF INACTIVITY TO WAKE UP THE CONTROL PANEL PRESS START RESUME OR CANCEL DRAIN OR OPEN AND CLOSE THE DOOR 1 PRESS AND VERIFY ALL KEYS RESPOND INSTRUCT CUSTOMER REGARDING SLEEP MODE 2 IF KEYS ST...

Страница 27: ...YCLE DUE TO ERROR DETECTED WITH WASH MOTOR OR LOW WATER REFER TO SERVICE ERROR CODES TABLE 4 3 6 1 6 2 6 3 6 4 8 3 UNIT IN SALES DEMO MODE RUN SERVICE DIAGNOSTICS CYCLE TO CLEAR DEMO MODE WILL NOT DRAIN OR EXCESS WATER LEFT IN DISHWASHER NOTE CHECK ERROR HISTORY IF NO ERROR CODES FOR ELECTRICAL PROBLEMS PROBLEM IS MECHANICAL DO NOT REPLACE CONTROL DRAIN LOOP CHECK VALVE NOT SEALING 1 DISCONNECT DR...

Страница 28: ...S FOR ERROR 3 3 3 2 3 3 HEATING PROBLEM REFER TO SERVICE ERROR CODES TABLE 7 1 SOFTENER PROBLEM ON SOME MODELS REFER TO SERVICE ERROR CODES TABLE 6 8 FILM OR SPOTS ON GLASSES AND OR DISHES CUSTOMER NOT USING RINSE AID OR DISPENSER EMPTY CHECK RINSE AID GAGE LEVEL ON DISPENSER INSTRUCT CUSTOMER HOW TO FILL AND MONITOR ADD OR USE RINSE AID RINSE AID DISPENSER PROBLEM REFER TO SERVICE ERROR CODES TAB...

Страница 29: ... WATER UNDER 84 F 29 C 1 BE SURE DISHWASHER IS CONNECTED TO THE HOT WATER SUPPLY 2 CONFIRM TEMPERATURE AT SINK RECOMMEND 120 F 49 C INSTRUCT CUSTOMER TO RUN WATER AT SINK BEFORE RUNNING DISHWASHER 3 UNPLUG DISHWASHER OR DISCONNECT POWER AND CHECK ALL CONNECTIONS AND MEASURE RESISTANCE IN TEMPERATURE SENSING CIRCUIT REPLACE OWI IF RESISTANCE IS HIGH HEATING PROBLEM REFER TO SERVICE ERROR CODES TABL...

Страница 30: ...LL TURN OFF IF DOOR IS OPENED LONGER THAN 5 SEC INSTRUCT CUSTOMER EXCESSIVE FAN NOISE DUE TO FAULTY FAN ON MODELS WITH FAN 1 CHECK FAN OPERATION DURING SERVICE DIAGNOSTICS TEST CYCLE 2 UNPLUG DISHWASHER OR DISCONNECT POWER 3 REPLACE FAN IF DOES NOT SPIN FREELY LEAKS OR DRIPS ON CABINET OR FLOOR LOOSE CONNECTION IN VENT CIRCUIT AND OR OPEN VENT WAX MOTOR UNPLUG DISHWASHER OR DISCONNECT POWER AND CH...

Страница 31: ... Dishwashers Testing Safety Wiring Diagram Control Board Information General Theory of Operation Power Check Door Switch Circuit Fill Circuit Dispenser Circuit Water Heating Heat Dry Water Sensing with the OWI Sensor Wash Rinse Motor Drain Motor Vent Wax Motor not on all models Vent Fan not on all models AC Fan Motor not on all models Power Blast not on all models User Interface UI ...

Страница 32: ...en ground connection point or unpainted metal in the appliance Before removing the part from its package touch the anti static bag to a green ground connection point or unpainted metal in the appliance Avoid touching electronic parts or terminal contacts handle electronic control assembly by edges only When repackaging main control assembly in anti static bag observe above instructions IMPORTANT S...

Страница 33: ...Triac loads on Pilot AC Input Overfill Leak Detection and Pilot Relay Detection P6 P6 1 BR BR P6 3 P6 4 BR BR BR BR P6 6 BR P6 7 BR P6 9 Drain Motor Overfill Float Switch Fill Valve Softener Regen Valve not all models TurboZone Wax Motor not all models Spare Future Dispenser Solenoid OR Dispenser Wax Motor Spare Future Door Switch Vent Wax Motor not all models Fan Motor not all models Flow Meter O...

Страница 34: ...horted or have evidence of overheating or pinched wires replace loads and or repair wires Component Testing TESTING DISHWASHER COMPONENTS FROM THE CONTROL Before testing any of the components perform the following checks The most common cause for misdiagnosed control failure is poor connections Therefore disconnecting inspecting and reconnecting wires will be necessary throughout test procedures A...

Страница 35: ... 9 1 6 1 6 1 5 6 1 3 5 1 2 4 6 1 3 OWI P12 Wide Out P13 P4 P5 P6 BR P7 BU P8 RD P9 V P10 BR P11 RD P12 YL Ω of F9 Triac Fuse For Service Technician Use Only METER CHECK OF LOADS SUPPLIES IMPORTANT Load must be connected for triac to operate correctly Meter checks best made at the control L1 NEUTRAL DC GND 5V 13V ELECTRONIC CONTROL BOARD CONTROL ASSEMBLY PINCH TO RELEASE ROTATE CONNECTOR BOX CONNEC...

Страница 36: ...sher or reconnect power If 120 VAC is present unplug dishwasher or disconnect power and proceed to step 6 If 120 VAC is not present have customer correct power problem at outlet or breaker 6 Remove outer door panel 7 Remove cover from control board and locate connector P4 8 With a voltmeter set to AC connect black probe to P4 pin 1 N and red probe to P4 pin 2 L1 9 Plug in dishwasher or reconnect p...

Страница 37: ...tinuity or door switch is damaged replace door switch and retest 8 Set voltmeter to DC and connect red lead to test pad P9 6 13V and black lead to P13 4 DC GND on the control board 9 Plug in dishwasher or reconnect power and with door open verify that 13 VDC is present across P9 6 and P13 4 If 13 VDC is not present replace the control and retest If 13 VDC is present proceed to step 10 10 Reconnect...

Страница 38: ...arts and panels 14 Plug in dishwasher or reconnect power and run Diagnostic Cycle to verify repair 4 DishwasherStripCircuits vidual circuits are for use in diagnoses Do not continue with he appliance if a fuse is blown a circuit breaker is tripped or if a 120 volt power supply at the wall outlet Unplug dishwasher or disconnect power Perform resistance checks To check resistance of a compon disconn...

Страница 39: ...Set voltmeter to AC and connect leads to test pads P10 1 P9 1 on the control board Plug in dishwasher or reconnect power 9 Start the Diagnostic Cycle and at the proper interval measure for AC out of the control between P10 1 to P9 1 Refer to the Dispenser Strip Circuit below IMPORTANT The Dispenser Solenoid or Wax Motor must be connected to the control board to measure voltage accurately If no AC ...

Страница 40: ...ge is measured replace control board 9 Perform Diagnostic Cycle to verify repair If heater related error still exists perform Water Sensing test procedure on following page 10 Unplug dishwasher or disconnect power 11 Reassemble all parts and panels 12 Plug in dishwasher or reconnect power DishwasherStripCircu The following individual circuits are for use in diagnoses Do not continue with the diagn...

Страница 41: ... the Diagnostic Cycle and at the proper interval measure for 5 VDC out of the control between P12 2 and P12 3 If 5 VDC is measured the control is functioning go to step 11 If no DC voltage is measured replace the control board and retest 11 Unplug dishwasher or disconnect power 12 Reassemble all parts and panels 13 Plug in dishwasher or reconnect power and run Diagnostic Cycle to verify repair was...

Страница 42: ... the wash rinse motor and electrical connections by performing the Service Diagnostic Cycle The following steps assume that this step was unsuccessful 3 Unplug dishwasher or disconnect power 4 Remove outer door panel to access control board 5 Unplug connector P5 from control board Strip Circuit Wash Rinse 6 Check the wash rinse motor using an ohmmeter measure the resistance between P5 1 and P5 2 I...

Страница 43: ...Start the Diagnostic Cycle and at the proper interval measure for AC out of the control between P10 1 P6 1 Refer to Drain Motor Strip Circuit below IMPORTANT The Drain Motor must be connected to the control board to measure voltage accurately If no AC voltage is measured replace the control board and retest If 120 VAC is measured and drain motor is running go to step 11 11 Unplug dishwasher or dis...

Страница 44: ...tor and harness using an ohmmeter measure the resistance between P10 1 and P10 3 If the resistance is between 600 1800 ohms the wax motor and harness are good Go to step 5 If outside the range replace the vent wax motor If an open circuit is detected check connections and harness continuity between control and vent wax motor If good replace the wax motor 5 Reconnect P10 to control board 6 Plug in ...

Страница 45: ...ess are good Go to step 6 If outside the range replace the fan motor If an open circuit is detected check connections and harness continuity between control and fan motor If good replace the fan motor assembly 6 Reconnect P10 to control board 7 With a voltmeter set to DC connect the black lead to P10 6 and the red lead to P10 5 IMPORTANT Note measurement polarity 8 Plug in dishwasher or reconnect ...

Страница 46: ...dishwasher or reconnect power 9 Start the Diagnostic Cycle and at the proper interval measure for AC out of the control between P10 1 P7 1 Refer to AC Fan Motor Strip Circuit below IMPORTANT The Fan Motor must be connected to the control board to measure voltage accurately If no AC voltage is measured replace the control board and retest If 120 VAC is measured and the fan is spinning go to step 10...

Страница 47: ... measured replace the control board and retest If 120V AC is measured and Power Blast wax motor is energized go to step 8 8 Unplug dishwasher or disconnect power 9 Reassemble all parts and panels 10 Plug in dishwasher or reconnect power ergent and Rinse Aid on all models P10 1 Also see Door Switch Circuit Fuse F9 Electronic Control Electronic Control No test pad on P6 3 Recommend using test pad on...

Страница 48: ...board Verify all other connections to the control are good 5 Open dishwasher door 6 Plug in dishwasher or reconnect power 7 Wait at least 7 seconds for control to power up completely 8 Close dishwasher door and monitor control response If control is OK it will respond by turning on the drain motor for 2 minutes Replace user interface assembly If control is not OK it will not turn on the drain moto...

Страница 49: ...onents User Interface Removing Door Latch Assembly Removing Electronic Control Board Removing the Dispenser Removing the Water Fill Drain Components Advanced Power Dry Side Dry Overfill Assembly In Tub Components Spray Arms Feed Tube and Manifold Removing the Racks Removing the Lower Spray Arm Under Tub Components Removing Heater Assembly Removing the Drain Pump Removing the Optical Water Indicato...

Страница 50: ...e rear leg of dishwasher See figure 2 2 Using a 5 16 nut driver or hex socket remove the screw from the tensioner 3 The screw can be put into one of 3 holes 1 2 3 in the front leg of dishwasher see figure 2 If the door closes by itself move the tensioner to a lower numbered hole and replace screw 4 Reattach door spring to rear leg NOTE Tensioners on both sides of dishwasher should be secured at sa...

Страница 51: ...cated on each side of the tub see Figures 1 and 2 Figure 1 Figure 2 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Removing Door Latch Strike 1 Open the dishwasher door 2 Depress the 2 outside bars and pull out the latch see Figures 1 2 and 3 Figure 1 Figure 2 Figure 3 ...

Страница 52: ...or panel away from door assembly with enough room to disconnect the User Interface and or ACU harness depending on model and door panel design See Figures 2 3 ACU User Interface Figure 2 ACU UI on Outer Door Panel User Interface ACU Dispenser Figure 3 ACU UI on Inner Door Panel 4 If necessary remove the latch assembly from the outer door panel or disconnect the latch assembly harness 5 Remove the ...

Страница 53: ...eps 3 On some early models it will be necessary to first remove the UI assembly to access the door latch assembly see Figure 1 Remove UI T 20 Screw Figure 1 4 To remove door latch assembly insert a small flat blade screwdriver into the clip slots on each side of the latch Gently push in to release latch clips see Figures 2 and 3 Figure 2 Removing Door Latch Assembly WARNING Electrical Shock Hazard...

Страница 54: ...l that hook into the slots in the door bracket See Figure 5 Tab Slots Figure 5 Control Tab Slots Removing the Control Later Models 1 Unplug dishwasher or disconnect power 2 Perform the procedures on page 4 4 Remove Outer Door Panel prior to performing the following steps 3 Disconnect harnesses from control board 4 Depress the locking tab see Figure 1 Depress Locking Tab Figure 1 Depress Locking Ta...

Страница 55: ...igures 1 3 4b MINI DISPENSER Use a flat blade screwdriver on locking clips to remove dispenser assembly see Figures 2 4 Figure 1 Long Dispenser Figure 2 Mini Dispenser Removing Dispenser Assembly WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Bracket Dispenser Assembly Inner Do...

Страница 56: ...Removing Water Fill and Drain Components WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Inlet Hose Water Inlet Drain Hose Loop Drain Hose Figure 2 Water Inlet Inlet Valve Drain Hose Gasket Nut Inlet Hose Figure 3 Nut Gasket Gasket Nut Water Inlet Drain Hose Exhaust Tube Blower ...

Страница 57: ...assemble Power Dry components unscrew air assembly nut from inside tub disconnect vent hose then slide exhaust tube and air outlet assembly up and out of blower assembly to remove Figure 2 3 From underneath the tub disconnect the harness and remove the blower vent from the Blower Assembly see Figure 3 4 Remove the two 2 1 4 screws securing Blower Assembly to dishwasher and remove assembly see Figu...

Страница 58: ...an result in death or electrical shock Replace all parts and panels before operating Float Housing and standpipe Switch Switch Lever Standpipe nut Housing Panels Accessing Overfill Assembly 1 Unplug or disconnect power 2 Open right and left side covers see Figure 1 Left Cover Right Cover Figure 1 Location of float switch components See Figure 2 Float Switch Float Stem Switch Lever Figure 2 ...

Страница 59: ...washers n 4 11 In Tub Components Tub Component Identification Water Level Float Coarse Filter Lower Spray Arm Feed Tube to Middle and Upper Spray Arms Heater Upper Rack Rails Upper Rack Rails Upper Spray Arm Water Inlet Spray Arm 3 Level ...

Страница 60: ...4 12 n Maytag Chopper Dishwashers COMPONENT ACCESS Component Identification Spray Arms Feed Tube and Manifold Retainer Manifold Spray arm 3rd level Feed tube Spray arm upper Bracket Feed Tube ...

Страница 61: ...emove the Rack Lava Rails 1 To gain access to the removable tabs on the tracks rails pull the upper rack forward about halfway out of the tub 2 On one side press the tab on the track in and pull up the front end of the rack out of the track See Figures 1 2 Figure 1 Figure 2 3 Then repeat this step on the other side to completely remove the front end of the rack 4 Then remove the back end of the ra...

Страница 62: ...to remove the spray arm see Figure 2 Figure 2 Removing Lower Spray Arm 3 Lift off lower spray arm see Figure 3 Figure 3 Lower Spray Arm Reinstallation 1 Place spray arm on the diverter housing and slowly turn spray arm until it seats on diverter 2 Grasp lower spray arm nut and turn 1 4 clockwise to secure in place on diverter housing 3 Run the Diagnostic Cycle to verify spray arm operation ...

Страница 63: ...aytag Chopper Dishwashers n 4 15 Under Tub Components Wash Motor Heater OWI NTC Fill Valve Blower Fan Motor Capacitor Terminal Box Thermostat Drain Hose Float Switch Drain Pump Chopper Under Tub Component Identification ...

Страница 64: ...ck Replace all parts and panels before operating Removing the Heater Assembly 1 Unplug dishwasher or disconnect power 2 Disconnect wires from both heater terminals see Figure 1 3 Remove both heater element nuts see Figure 2 4 Remove heater element assembly from tub Figure 1 Heater Connector Heater Connector Figure 2 Heater Components 1 Heater Element Assembly 2 Heater Washer 3 Heater Element Nut ...

Страница 65: ... area Figure 1 3 Unplug the wire harness connected to the drain pump see Figure 2 Figure 2 Removing Drain Pump WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating 4 Rotate the drain pump 1 4 turn counterclockwise see Figure 3 Figure 3 5 Remove the drain pump from sump assembly see F...

Страница 66: ...e bottom of the dishwasher 2 Locate OWI on bottom right side of sump assembly see Figure 1 3 Reach in and rotate the OWI counter clockwise 1 4 turn 4 Remove the OWI from sump assembly 5 Disconnect harness from Optical Water Indicator Removing Optical Water Indicator OWI WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replac...

Страница 67: ...ulator Cover 4 Disconnect Feed Tube from Sump 5 Accumulator Screen Assembly 6 Remove Chopper Protector Removing the Sump Assembly WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Figure 1 Lower Spray Arm Accumulator Screen Assembly Accumulator Cover Feed Tube Continued on next pa...

Страница 68: ...ee Figure 4 Depress Tab Figure 4 Sump Removal 1 Unplug dishwasher or disconnect power 2 Perform the procedures on page 4 17 Remove Drain Pump prior to performing the following steps 3 Remove the wire harness from the bracket on the side of the sump and move off to the side see Figure 1 Harness Clip Figure 1 4 Unlock the three tabs securing the motor and sump assembly to the tub see Figures 2 and 3...

Страница 69: ...p assembly flipped over inside the tub disconnect the following harness Refer to Figure 6 above for harness locations Wash Motor Harness OWI Harness or remove OWI from sump Removing the Sump Assembly continued 8 Remove sump assembly from dishwasher see Figure 7 Figure 7 Sump Assembly NOTE When reinstalling the sump assembly align the tab on the assembly with the slot in the tub See Figures 8 and 9...

Страница 70: ...Description Qty 1 Motor Assembly 1 2 Face Seal Seat Stationary 1 3 Impeller Assembly 1 4 Face Seal Head Rotating 1 5 Enclosure Chopper 1 6 Chopper Assembly 4 Blade 1 7 Housing Pump w Seal 1 8 Screw 12 16X1 50 PN 6L HL BT SEMS 3 9 Hose Outlet Wash Pump 1 10 Stepless Ear Clamp 1 11 Capacitor shown at right 1 Chopper Motor Assembly Exploded View 1 2 3 4 5 6 7 8 9 10 11 ...

Страница 71: ... before operating Removing the Chopper Motor Ass y 1 Unplug dishwasher or disconnect power 2 Perform the procedures on page 4 19 Removing the Sump Assembly prior to performing the following steps 3 Remove or loosen clamp from sump side of hose see Figure 1 Figure 1 4 Use a screwdriver to gently loosen the seal between the grommet and the sump assembly see Figure 2 Figure 2 5 Remove Chopper Motor A...

Страница 72: ...Figure 4 Figure 4 7 Use a screwdriver to separate the pump housing from the motor assembly see Figure 5 Figure 5 8 Remove pump housing from motor assembly see Figure 6 Figure 6 NOTE The pump housing is keyed to the motor assembly for ease of reassembly 9 Remove the Chopper Blade from the motor assembly see Figure 7 Chopper Blade Figure 7 NOTE The Chopper Blade is keyed to fit on the center shaft o...

Страница 73: ...e is keyed to fit onto the motor assembly 11 To remove the impeller insert a screwdriver into the motor housing vent to prevent the rotor from turning Firmly grasp the impeller with the other hand and spin it off the motor shaft See Figures 9 10 Figure 9 Impeller Figure 10 NOTE The impeller service kit includes the impeller stationary seat face seal and rotating seat face seal See Figure 1 on page...

Страница 74: ...4 26 n Maytag Chopper Dishwashers COMPONENT ACCESS Notes ...

Страница 75: ...MBER READY TO IDENTIFY YOU AS AN AUTHORIZED IN HOME SERVICE PROFESSIONAL FOR LITERATURE ORDERS CUSTOMER EXPERIENCE CENTER PHONE 1 800 851 4605 FOR TECHNICAL INFORMATION AND SERVICE POINTERS www servicematters com IN CANADA FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL 1 800 807 6777 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER S HOME CALL THE TECHNICAL ASSISTANCE LINE 1 800 488 4791 H...

Страница 76: ...W11035362 Maytag Dishwashers 4 Blade Stainless Steel Chopper ...

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