Filter
Top Products
3-11
© 1997 Whirlpool Corporation
Cooking Products Service Manual
Original March, 1997 4322167
Page 3-11
TEST PROCEDURE
OR CORRECTION
Shorted wire in power cord,
wiring harness, or overload
circuit.
Line fuse blows when power
cord is plugged into a wall
receptacle.
1. Check wiring with ohm-
meter for continuity.
2. Use separate 15- to 20-
ampere circuit.
1. No power at wall plug. 1. Check fuse or breaker
box.
2. Check wiring with ohm-
meter for continuity.
3. Check board.
4. Check fuse.
5. Check fuses.
Oven will not operate.
1. Check control board.
2. Check line fuse and/or
thermal fuses.
3. Check interlockswitches.
4. Repair open wire.
1. Control board.
2. Line fuse and/or thermal
fuses.
3. Interlock switches.
4. Open wiring between the
above components.
Oven will not go into “Cook”
cycle when the door is closed.
1. Check control board.
2. Use separate 15- to 20-
ampere circuit.
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.
Oven goes into “Cook” cycle,
but does not complete the
cycle. Heat is produced in the
oven load.
PROBLEM POSSIBLE CAUSE
2. Open wire in power cord
or wiring harness.
3. Control board.
4. Line fuse.
5. Thermal fuses.
3. Check thermal fuse.
4. Check thermal fuse on
magnetron.
5. Use separate 15- to 20-
ampere circuit.
CHARTS
Oven cavity light will not turn
on.
1. Bulb is burned out.
2. Lamp socket.
3. Oven lamp switch.
4. Open wiring between the
above components.
5. Control board.
1. Replace bulb.
2. Check lamp socket.
3. Check control board.
4. Repair open wire.
5. Check control board.