-
R-9320
TROUBLESHOOTING GUIDE (CONT’D)
R-9450
PROBLEM
POSSIBLE CAUSE
TEST PROCEDURE OR
I
CORRECTION I
COOKING CONDITtON
Oven lamps do not light in cook
Defective contacts (A) of control relay
Procedure J.
cycle.
(RL2).
(Do light when door is opened)
Defective control unit.
Procedure N.
1
I
t
1
Oven lamps do not light at all.
Burned out buib.
Replace.
4
Open wiring to oven lamp.
Check and repair wiring.
Oven lamps light, but turntable
motor does not operate.
Defective contacts (B) of control relay
(RL2).
Procedure N.
Turntable motor operates.
normally but fan motor does not
operate.
Defective turntable motor.
--__
Blown magnetron temp. fuse.
-
Defective fan motor.
Open or ioose wiring to the fan motor.
Replace.
---
Procedure I.
Replace.
Check and repair wiring.
Oven does not go into a cook
cycle when Cook key is touched.
Upper and/or lower latch
switches defective or out of adjustment.
Procedures E and F.
Defective cook relay (RLl).
Defective control unit.
Procedure Y.
Procedure N.
Defective key unit.
Procedure N.
,
Open or loose wiring to above components. Check and repair wiring.
Oven seems to be operating but
little or no heat is produced in
1 oven load. (Flood incompletely
cooked or not cooked at all at
end of cook cycle)
Defective magnetron. Procedure A.
Defective cook relay (RLl ).
Procedure K.
I
Defective power transformer.
Procedure B.
/ Defective rectifier.
/ Procedure C.
Defective high voltage capacitor. Procedure D.
Defective control unit.
Procedure N.
Open or loose wiring to above components. Check and repair wiring.
1
1 Oven goes into a cook cycle but
1 extremely uneven heating is
/ produced in oven load (food).
Turntable motor does not operate. Refer to preceding 4urntable
motor problem.
. .
I
’ Oven does not cook properly
Defective control unit.
Procedure N.
when programmed for MEDIUM
LOW, MEDIUM or MEDIUM
Defective key untt.
Procedure N.
HIGH cooking powers.
(Operates properly on HIGH) Open or loose wiring between above Check and repair wiring.
components.
I
29