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WHIRLPOOL ELECTRICAL APPLIANCES CO. LTD.                                               SERVICE MANUAL 
 

Ref: 54258291b 

 

PAGE 1  OF 17 

 

 
 
 
 
 
 

WHIRLPOOL ELECTRICAL APPLIANCES 

COMPANY LIMITED 

 
 
 
 

SERVICE INFO MANUAL 

 
 
 
 
 
 

MODEL: 

AVM542 

 
SKU No.:  

853854258291 

 
DATE: 

October 7, 2005 

 
REVISION:  b 

 

Summary of Contents for AVM542

Page 1: ...POOL ELECTRICAL APPLIANCES CO LTD SERVICE MANUAL Ref 54258291b PAGE 1 OF 17 WHIRLPOOL ELECTRICAL APPLIANCES COMPANY LIMITED SERVICE INFO MANUAL MODEL AVM542 SKU No 853854258291 DATE October 7 2005 REVISION b ...

Page 2: ...3 2 GROUNDING INSTRUCTIONS 4 SCHEMATIC DIAGRAM 5 MICROWAVE AND MICROWAVE LEAKAGE TEST 5 1 MICROWAVE TEST 5 2 MICROWAVE LEAKAGE TEST 6 TROUBLE SHOOTING GUIDE 6 1 CAUTION AND IMPORTANCE 6 2 MICROWAVE LEAKAGE 6 3 QUICK REFERENCE 7 MAJOR COMPONENT TESTS 7 1 HV TRANSFORMER 7 2 HV CAPACITOR 7 3 HV DIODE 7 4 MAGNETRON 7 5 INTERLOCK SWITCH SYSTEM 8 PART LIST EXPLODED DIAGRAM ...

Page 3: ...W x D 285x456x392mm Volume of cavity 17 8Liter Basic function Microwave only cooking Control Electronic touch foil control 99 minute cook time 10 level microwave power level Programmable Power supply 220V 60 Hz single phase Output power Microwave 800W Power consumption Max 1250W Current consumption 8 A Microwave frequency 2450 MHz ...

Page 4: ... closing 3 Seal and sealing surfaces arcing wear and other damage 4 Damage to or loosening of hinges and latches 5 Evidence of dropping or abuse c Before turning on the microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connection d Any defective or misadju...

Page 5: ...POWER BEFORE SERVICING RECONNECT ALL GROUNDING DEVICES All mechanical parts of this appliance capable of conducting electricity are grounded In the event of an electrical short circuit grounding reduces the risk of electric shock This appliance is equipped with a cord having a grounding wire with a ground plug The plug must be plugged into an outlet that is properly installed and grounded WARNING ...

Page 6: ...WHIRLPOOL ELECTRICAL APPLIANCES CO LTD SERVICE MANUAL Ref 54258291b PAGE 6 OF 17 4 SCHEMATIC DIAGRAM ...

Page 7: ...g into the oven 3 Heat the water in the oven with full power microwave only for 60 seconds 4 Again measure the temperature of the water 5 If the temperature rise by about 10 degree Centigrade then the microwave generating system is working 5 2 MICROWAVE LEAKAGE TEST 5 2 1 TESTING EQUIPMENT 600cc beaker Microwave meter 5 2 2 TESTING PROCEDURE 1 Place 275cc of water into the beaker and place it in t...

Page 8: ...OTING GUIDE 6 1 CAUTION AND IMPORTANCE 1 Before disassembling the oven the oven power must be turned off Remove the power plug of the oven from the outlet and wait for at least 3 minutes 2 When disassembling service personnel should remove their watches and metal chains from their hands Never touch the high voltage components and wire 3 Before checking or replacing discharge the high voltage capac...

Page 9: ...erlock poorly adjusted causing fuse to be blown 5 Short circuit within electrical circuit Lamp filament short HV transformer short all causing fuse blown 6 Bad contact in contacts or terminals of power relay primary and secondary interlock switch 7 HV diode break down Oven seems working food does not cook 1 Defective magnetron filament broken filament short to ground etc 2 Ground wire of HV transf...

Page 10: ...ncreases to infinite 4 Terminal to case should show infinite 7 3 HV DIODE 1 Remove lead wire 2 Measure forward resistance normal diode show continuity 3 Measure reverse resistance normal diode show infinite resistance 7 4 MAGNETRON 1 Remove lead wire 2 Install the magnetron gasket in the correct position Check that the gasket is in good condition 3 Measure the resistance of the filament terminals ...

Page 11: ...tor switch will form a short circuit across the supply and the fuse in the oven will blow Electric arc may form across the switch contacts of the primary interlock switch and the monitor switch The switches may then be damaged If the fuse is blown due to the failure of the primary interlock repair the failed mechanical parts and replace all the interlock switches IMPORTANCE After replacement of an...

Page 12: ...WHIRLPOOL ELECTRICAL APPLIANCES CO LTD SERVICE MANUAL Ref 54258291b PAGE 12 OF 17 8 PART LIST The following pages contain the service part list for this model ...

Page 13: ...01 A04 Front back support 4619 644 12485 A05 Oven foot 4619 641 39202 A06 Oven foot expand nail 4619 641 41901 A07 Lamp holder 4619 648 77101 A08 Lamp 20W 4619 648 77091 A09 Air guide 4619 641 88863 A10 TT motor 4619 647 81772 A11 TT driver 4619 641 89371 A12 Glass tray 4619 656 95561 A13 Mica sheet 4619 656 96331 A14 Water proof spacer 4619 656 95541 A15 Thermostat 165 C 4619 648 77182 A16 Tubula...

Page 14: ...pacitor support 4619 644 12222 B04 HV capacitor 4619 646 51103 B05 HV diode 4619 646 97721 B06 Fan air guide 4619 641 89323 B07 Fan motor 4619 647 81511 B08 Fan wheel five 4619 641 89262 B09 Interlock assy 4619 640 39201 B12 HV transformer 4619 648 77426 B13 Rubber 4619 640 31661 B14 Foam 4619 656 95811 B15 Double HV diode 4619 646 97821 B01 B02 B03 B04 B05 B06 B07 B08 B09 B12 B13 B14 B15 ...

Page 15: ...Item no Description Service parts no C01 Door body assembly 4619 640 47831 C02 Inner foil C03 Inner frame 4619 641 89341 C04 Extension spring 4619 644 11221 C05 Glass support 4619 641 89401 C06 Door hook 4619 641 91032 C07 Front door glass 4619 656 95371 C08 Door frame 4619 641 88852 ...

Page 16: ... 16 OF 17 Item no Description Service parts no D01 Display lens 4619 641 54801 D02 Control board 4619 640 31061 D03 Control panel 4619 641 89351 D04 Membrane switch 4619 648 77811 Other information Item no Description Language Service parts no 01 IFU English 4619 652 61025 ...

Page 17: ...4258291b PAGE 17 OF 17 Revision Log Revision Description Revised by Revision Date 0 Original Revision Wang wei guo Feb 05 2002 A Revising PN in the service part list Wang wei guo August 12 2003 B Revising PN in the service part list Liang min yi October 7 2005 ...

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