Daewoo KOC-910K0P Service Manual page 41

4. Case of no heating of upper grill
When touching GRILL1 & COMBI button, oven lamp turns on and Fan motor and turntable rotate, and cook indica-
tor in display comes on.
*Cause: RELAY 2 does not operate.
UPPER
GRILL
STATE
RELAY 2 ON
RELAY 2 OFF
5. Case of no heating of lower grill
When touching GRILL2 & COMBI button, oven lamp turns on and Fan motor and turntable rotate and cook indica-
tor in display comes on.
*Cause: RELAY 7 does not operate.
LOWER
GRILL
STATE
RELAY 7 ON
RELAY 7 OFF
6. Case of no heating of convection grill
When touching CONVECTION button, oven lamp turns on and Fan motor and turntable rotate and cook indicator
in display comes on.
*Cause: RELAY 3 does not operate.
CONV
GRILL
STATE
RELAY 3 ON
RELAY 3 OFF
D10
1N4148
RY2
G5G-1A-DT 24V
POINT A
+5V DC
D15
1N4148
RY7
CS11-24SH
POINT A
+5V DC
D11
1N4148
RY3
G5G-1A-DT 24V
POINT A
+5V DC
B
Q3
C106M
GND
B
Q12
C106M
GND
B
Q4
C106M
GND
40
A
45
POINT B
GND
+24V DC
A
43
POINT B
GND
+24V DC
A
44
POINT B
GND
+24V DC