DAEWOO ELECTRONICS KOC-1B0K0S User Manual download pdf (Page 34)

3) Case of no microwave oscillation

(1) When touching M/W button, oven lamp turns on and Fan motor and turntable rotate, and cook

indicator in display comes on.

* Cause: RELAY 1 does not operate.

- Check method

STATE POINT A POINT B

RELAY 1 ON

+5V DC GND

RELAY 1 OFF

GND +24V DC

(2) When touching M/W button, oven lamp does not turn on and turntable motor does not rotate

but cook indicator in display comes on.

* Cause: RELAY 4 does not operate.

- Check method

STATE POINT A POINT B

RELAY 4 ON

+5V DC GND

RELAY 4 OFF

GND +24V DC

(3) When touching M/W button, oven lamp turns on and fan motor does not rotate

but cook indicator in display comes on.

l Cause: RELAY 5 does not operate.

- Check method

STATE POINT A POINT B

RELAY 5 ON

+5V DC GND

RELAY 5 OFF

GND +24V DC

1 2 ... 29 30 31 32 33 34 35 36 37 38

No comments

DAEWOO ELECTRONICS KOC-1B0K0S User Manual Page 34