Whirlpool AVM541 Service Info Manual page 9

WHIRLPOOL ELECTRICAL APPLIANCES CO. LTD.
3. If leakage is found worst around the door perimeter, adjust the interlock support or
change the door.
6.3 QUICK SERVICE REFERENCES
PROBLEM
Cavity lamp does not light, but other
electrical components (e.g. turntable) are
working.
Cavity lamp does not light, all other
electrical components also do not work.
Oven seems working, food does not cook
Oven cooks for a short while and stop.
Turntable does not turn.
User circuit breaker activates.
Ref: 54158291a
POINTS TO CHECK
1. Lamp burnt.
2. Bad contact between lamp and lamp
socket.
1. Power plug not in good connection with
the socket. No power supply.
2. Fuse blown.
3. Bad contact between fuse and fuse
holder/clip.
4. Loose door hinge, door poorly adjusted,
interlock 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
timer switch, primary and secondary
interlock switch.
7. HV diode break down.
1. Defective magnetron (filament broken,
filament short to ground etc.).
2. Ground wire of HV transformer broken.
3. Filament wire short to ground.
4. Filament wire broken.
5. Bad contact in magnetron terminals.
6. HV diode breaks down, giving a hum
noise.
1. Cooling fan jammed.
2. Cooling fan motor open circuit.
1. Defective turntable motor.
2. Turntable shaft deformed.
1. High leakage in electrical components
(mostly motor).
SERVICE MANUAL
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