R-9380
TROUBLESHOOTING GUIDE (CONT’D)
PROBLEM
POSSIBLE CAUSE
TEST PROCEDURE OR
CORRECTION
Oven lamp does not light at all.
Burned out bulb.
Cook indicator appears jn display but
turntable motor does not operate.
Oven lamp lights but fan motor
does not operate.
(Turntable motor does operate)
Oven does not go into cook cycle
when INSTANT COOK/START
key is touched.
Oven seems to be operating but
little or no heat is produced in
oven load. (Food incompletely
cooked or not cooked at all at end
of cook cycle)
C
Defective magnetron.
Defective relay RY-2 on control unit.
Defective power transformer.,
Defective rectifier.
Defective high voltage capacitor.
Defective control unit.
Open or loose wiring to the above
components.
Turntable motor does not operate.
r
Oven does not cook properly when
cooking control set to LOW, MED
LOW, MED, MED HIGH cooking
powers.
Defective control unit.
(Operates properly on HIGH.)
Defective key unit.
Open or loose wiring between, the above
components.
8
COOKING CONDITION (CONT’D)
Open wiring to oven lamp socket.
Defective relay RY-1 on control unit.
Turntable motor defective.
Open or loose wiring between control
. unit and motor.
Defective fan motor.
Open or loose wiring to fan motor.
Upper and Lower latch switches and stop
switch defective or out of adjustment.
Blown fuse M6.3A.
Defective temp. fuse.
Defective thermal cut-out.
Defective relay RY-1, RY-2 on control unit.
Defective control unit.
Defective key unit.
Open or loose wiring to the above
components.
Replace oven lamp.
Check and repair wiring.
Procedure J.
Replace motor.
Check and repair wiring.
Replace fan motor.
Check and repair wiring.
Procedure E.
Procedure H.
Procedure F.
Procedure I.
Procedure J.
Procedure J.
Procedure J.
Check and repair wiring.
Procedure A.
Procedure J.
Procedure 8.
Procedure C.
Procedure D.
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Replace turntable motor.
Procedure J.
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