Daewoo KOR-122M0A Service Manual page 47

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.
CHECK METHOD
STAGE
RELAY "1" ON
RELAY "1" OFF
5) When the door is opened during operation, the count down timer does not stop.
CN1(D.O.M)
YW396-02V
2
A
1
CHECK METHOD
STAGE
1) DOOR OPENED
2) DOOR CLOSED
CHECK
METHOD
NO.
1 Check the stage (ON, OFF) of the secondary
Interlock switch by resistance measurement.
POINT
A
GND
+12V DC
D8
1N4002A
POINT
A
+5VDC
GND
C1
473
R17
1K
POINT
A
OPEN
CLOSE
Q11 KRC106M
B
B
GND
+12VDC
D6
R15
1N4148M
1K
B
5VDC
GND
46
IC1
A
39
MGT RY
V1
B
R16
10K
37
DOM
C2
IC1
104
REMEDY
Replace secondary
interlock switch