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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.
zii?czs
Replace turntable
motor.
Procedure
J.
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