LG GR-G267ATBA, Service Manual

Page: 24 / 130

2-11. Automatic Defrost Signal
1. The beep will sound if you press the test button on the main PCB.
2. The regular cycle sounds three short beeps one second apart.
3. When you select the automatic defrost cycle, the alarm sounds three series of three short beeps one minute apart.
2-12. Defrost Function
1. Automatic defrost is performed whenever the compressor run time totals 7 1 /
2
hours.
2. At initial power-up, the defrost cycle will run when the total compressor runtime is 4 1 /
2
hours.
3. Defrost is completed when the defrost sensor temperature rises above 41°F (5°C) during the defrost cycle. The defrost
cycle will terminate if the defrost sensor temperature does not achieve 41°F (5°C) within two hours.
4. The defrost cycle will not operate if the defrost sensor fails.
2-13. Refrigerator compartment lamp automatically off
1. The refrigerator light is turned ON and OFF by the refrigerator door switch.
2. If the refrigerator light is on for more than 7 minutes, it will be turned off automatically. It will operate normally if you close
the door and re-open it.
MICOM FUNCTION
- 24 -