34
4. Case of no heating of upper grill
When touching GRILL1 & COMBI button, oven lamp turns on and Fan motor and turntable motor rotate and cook
indicator in the display comes on.
*Cause: RELAY 4 does not operate.
5. Case of no heating of lower grill
When touching GRILL2 & COMBI button, oven lamp turns on and Fan motor and turntable motor rotate and cook
indicator in display comes on.
*Cause: RELAY 9 does not operate.
6. Case of no heating of convection grill
When touching CONVECTION button, oven lamp turns on and Fan motor and turntable motor rotate and cook
indicator in the display comes on.
*Cause: RELAY 3 does not operate.
STATE
RELAY 4 ON
RELAY 4 OFF
POINT A
+5V DC
GND
POINT B
GND
+24V DC
RY4
Q5
D11
48
STATE
RELAY 9 ON
RELAY 9 OFF
POINT A
+5V DC
GND
POINT B
GND
+24V DC
RY9
D19
Q13
45
STATE
RELAY 3 ON
RELAY 3 OFF
POINT A
+5V DC
GND
POINT B
GND
+24V DC
D12
47
Summary of Contents for KOC-154K8S
Page 30: ...29 10 WIRING DIAGRAM...
Page 37: ...36 13 P C B CIRCUIT DIAGRAM...