27
5) When the door is opened during operation, the count down timer does not stop.
RELAY “3” ON
RELAY “3” OFF
GND
+12V DC
(2) When touching “START” pad, oven lamp turns on.
Fan motor and turntable rotate and cook indicator in display comes on.
*Cause: RELAY “2” does not operate.
CHECK METHOD
STAGE
POINT
A
RELAY “2” ON
RELAY “2” OFF
+5VDC
LN
GND
+12VDC
CHECK METHOD
STAGE
POINT
A
B
1) DOOR OPENED
2) DOOR CLOSED
OPEN
CLOSE
5VDC
GND
CHECK METHOD
STAGE
POINT
A
B
Check the stage (ON, OFF) of the secondary
lnterlock switch by resistance measurement.
Replace secondary interlock switch
1
CHECK NO.
METHOD
REMEDY