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PROBLEM
Line fuse blows when power
cord is plugged into a wall
receptacle.
Oven will not operate.
Oven cavity light will not turn
on.
Oven will not go into "Cook"
cycle when the door is closed.
Oven goes into "Cook" cycle,
but does not complete the
cycle. Heat is produced in the
oven load.
CHARTS
POSSIBLE CAUSE
Shorted wire in power cord,
wiring harness, or overload
circuit.
1.
No power at wall plug.
2.
Open wire in power cord
or wiring harness.
3.
Control board.
4.
Line fuse.
5.
Thermal fuses.
1.
Bulb is burned out.
2.
Lamp socket.
3.
Oven lamp switch.
4.
Open wiring between the
above components.
1.
Control board.
2.
Line fuse and/or thermal
fuses.
3.
Interlock switches.
4.
Open wiring between the
above components.
1.
Control board.
2.
Low line voltage (should
be at least 108-volts
AC).
3.
Thermal fuse.
4.
Thermal fuse on magne-
tron.
5.
Circuit is overloaded.
3-12
TEST PROCEDURE
OR CORRECTION
1.
Check wiring with ohm-
meter for continuity.
2.
Use separate 15- to 20-
ampere circuit.
1.
Check fuse or breaker
box.
2.
Check wiring with ohm-
meter for continuity.
3.
Check board.
4.
Check fuse.
5.
Check fuse.
1.
Replace bulb.
2.
Check lamp socket.
3.
Check control board.
4.
Repair open wire.
1.
Check control board.
2.
Check line fuse and/or
thermal fuses.
3.
Check interlock switches.
4.
Repair open wire.
1.
Check control board.
2.
Use separate 15- to 20-
ampere circuit.
3.
Check thermal fuse.
4.
Check thermal fuse on
magnetron.
5.
Use separate 15- to 20-
ampere circuit.
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