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CHECK METHOD
STAGE
RELAY "2" ON
RELAY "2" OFF
(2) When touching "START" pad, oven lamp turns on.
Fan motor and turntable rotate and cook indicator in display comes on.
* Cause: RELAY "1" does not operate.
RY1
CHECK METHOD
STAGE
RELAY "1" ON
RELAY "1" OFF
5) When the door is opened during operation, the count down timer does not stop.
IC1
16
CHECK METHOD
STAGE
1) DOOR OPENED
2) DOOR CLOSED
CHECK
NO.
1
POINT
–24VDC
GND
D9
-24V
POINT
–5VDC
GND
-5V
B
R8
C2
POINT
OPEN
CLOSE
METHOD
Check the stage (ON, OFF) of the secondary
Interlock switch by resistance measurement.
A
Q3
B
A
-24VDC
R9
D6
SECONDARY
INTERLOCK
SWITCH
A
44
A
R10
B
GND
CN1
B
-5VDC
GND
REMEDY
Replace secondary
interlock swi tch
IC1
18
A
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