1-13. Ringing of compulsory operation, compulsory frost removal buzzer
1) If pressing the test button in the main PCB, “Phi ~” sound rings.
2) In selecting compulsory operation, alarm sound is repeated and completed in the cycle of On for 0.2 second and Off for
1.8 second three times.
3) In selecting compulsory frost removal, alarm sound is repeated and completed in the cycle of On for 0.2 second , Off for
0.2 second, On for 0.2 second and Off for 1.4 second three times.
1-14. Defrost Function
1-15. Refrigerator room lamp automatically off
1) Refrigerator room lamp turn on and off by refrigerator door switch.
2) If refrigerator room lamp continuously turns on more than 7 minutes, the refrigerator room lamp turns off automatically by
compulsion.
1) Defrost is cycled whenever the compressor’s runtime reaches at least 7 - 7 ½ hours.
2) In providing initial power (or returning power failure), defrost starts whenever total operation time of compressor becomes 4-
6 hours.
3) Defrost is completed if temperature of a drost 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 fails.
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