LG LSC27950SW Service Manual page 19

MICOM FUNCTION
2-12. Ringing of manual operation, manual frost defrost buzzer
1. The buzzer sounds briefly when the test button on the main PCB is pressed.
2. If you select manual operation, the buzzer sounds three times for
second each every thirty seconds until the door is closed.
3. If you select manual defrost, the buzzer sounds three times for
each every thirty seconds until the door is closed.
2-13. Defrost function
1. Defrost is cycled whenever the compressor's runtime reaches 7 ~ 7
2. In providing initial power (or returning power failure), defrost starts whenever total operation time of compressor becomes
4 ~ 4 hour.
3. Defrost is completed if temperature of a frost removal sensor becomes more than 5°C after starting frost removal. Poor
frost removal is not displaced if it does not arrive at 5°C even if two hours have passed after starting frost removal.
4. No defrost cycle is run if the defrost sensor fails.
2-14. Refrigerator room lamp automatic off
• Refrigerator room lamp turn on and off by refrigerator door switch.
• If refrigerator room lamp continuously turns on more than 7 minutes, the refrigerator room lamp turns off automatically.
2
/ second each, then it sounds three times for
10
2
/ second each, then it sounds three times for
10
hours.
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2
/
10
2
/ second
10