29
3. When pressing START button, the magnetron does not work.
The oven lamp does not turn on and Fan moter does not rotate, but cooking time is counting down.
• Cause : There is something wrong with RELAY 3. Refer to circuit diagram (point 3).
4. When pressing START button, the magnetron does not work.
The oven lamp turns on, fan moter rotates and cooking time is counting down.
• Cause : There is something wrong with RELAY 1. Refer to circuit diagram (point 2).
5. When the oven door is open during operation, cooking time does not stop counting down.
• Cause : There is something wrong with D.O.M circuit part. Refer to circuit diagram (point 1).
RELAY 3
ON
GND
5V
RELAY 3
OFF
12V
GND
POINT
A
B
STATE
RELAY 1
ON
GND
5V
RELAY 1
OFF
12V
GND
POINT
A
B
STATE
DOOR OPEN
GND
5V
DOOR CLOSED
12V
GND
POINT
A
B
STATE
6. When opening the oven door for using the oven out of power save mode, the display does not turn on.
• Cause : There is something wrong with RELAY 4. Refer to circuit diagram (point 4).
RELAY 4
ON
GND
5V
RELAY 4
OFF
12V
GND
POINT
A
B
STATE
Summary of Contents for KOR-6L9R5S
Page 5: ...4 1 OUTER DIMENSION EXTERNAL VIEW 270 446 346...
Page 26: ...25 WIRING DIAGRAM...
Page 28: ...27 PCB MAIN MP1 measurement point MP2...
Page 29: ...28 PCB SUB...