Daewoo KOR-616T2S Service Manual page 44

CHECK METHOD
STAGE
RELAY "2" ON
RELAY "2" OFF
(2) When pressing " START " button, oven lamp does not turn on.
Fan motor and turntable motor rotate and cook indicator in display comes on.
* Cause : RELAY "1"does not operate.
CHECK METHOD
STAGE
RELAY "2" ON
RELAY "2" OFF
5) When the door is opened during operation, the count down timer does not stop.
D.O.M
CHECK METHOD
STAGE
1) DOOR OPENED
2) DOOR CLOSED
CHECK NO.
1
POINT
A
– 5VDC
GND
RY1
POINT
A
– 5VDC
GND
A
SW
2
R11
1
POINT
A
OPEN
CLOSED
METHOD
Check the state (ON,OFF) of the secondary
interlock switch by resistance measurement.
B
GND
–24VDC
Q11
B
D8
-24V
B
GND
–24VDC
C3
R8
R7
-5V
B
-5VDC
GND
43
A
MICOM
36
40
MICOM
B
REMEDY
Replace secondary
interlock switch