DAEWOO ELECTRONICS KOR-61AP2S - Page 49

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CHECK METHOD
(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
5) When the door is opened during operation, the Count down time does not stop.
CHECK METHOD
POINT
A
STAGE
RELAY “2” ON -24VDC
RELAY “2” OFF GND
POINT
AB
STAGE
RELAY “1” ON -5VDC GND
RELAY “1” OFF GND -24VDC
POINT
AB
STAGE
1) DOOR OPENED OPEN -5VDC
2) DOOR CLOSED CLOSE GND
CHECK NO. METHOD REMEDY
1 Check the stage (ON,OFF) of the secondary Replace secondary
Interlock switch by resistance measurement. interlock switch.
RY1
L
R
D9
B
-24V
Q3
R10
A
IC1
18
IC1
16
B
-5V
R8
C2
R9 D6
SECONDARY
INTERLOCK
SWITCH
CN1
A