Daewoo KOC-960P0A Service Manual page 50

6) When there is no convection motor.
When touching pad, oven lamp turns on.
Fan motor and turntable and cook indicator is display comes on.
* Cause : RELAY "1" does not operate.
RY1
RELAY "1"
CHECK METHOD
STAGE
RELAY "1" ON
RELAY "1" OFF
7) When the door is opened during operation, the count down timer does not stop.
MICOM
CHECK METHOD
STAGE
1) DOOR OPENED
2) DOOR CLOSED
CHECK
NO.
1 Check the state (ON, OFF) of the secondary
Interlock switch by resistance measurement.
R32
D8
+ 15V + 15V
POINT
B
R2
R10
1
C6
POINT
METHOD
Q4
B
A
£«5VDC
GND
C7
SECONDARY
INTERLOCK
SWITCH
A
OPEN
CLOSED
56
A
MICOM
R7
27
B
GND
£«15VDC
CN2
2
1
A
B
£«5VDC
GND
REMEDY
Replace secondary
interlock switch