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Problems | Symptom | Causes | Checks | Measures | Remarks | ||
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Bad cooling. | Freezer | Compressor does | Compressor Lead Wire | Check compressor Lead Wire | Reconnect Lead |
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| temperature is | not start. | is cut. | with a tester. | Wire. |
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| high. |
| Defective compressor | Measure voltage at PCB CON2 | Replace relay(RY1 | Refer to load | |
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| driving relay. | (3&9) after pressing main PCB | and RY2) or PCB. | driving circuit in |
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| test switch once. It is OK if |
| circuit |
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| voltage is normal. |
| explanation. |
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| Defective freezer | Defective Freezer | Check resistance of freezer | Replace freezer | Refer to |
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| sensor. | sensor parts. | sensor with a tester. | sensor. | resistance |
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| characteristics |
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| table of sensor in |
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| circuit |
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| Freezer sensor is | Confirm the color of sensor in | Repair main PCB | explanation. |
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| substituted for other | circuits (main PCB sensor | sensor housing |
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| sensor. | housing). |
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| Defective freezer fan | Fan motor lead wire | Check fan motor lead wire | Reconnect lead |
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| motor. | is cut. | with a tester. | wire. |
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| • Defective door switch | Measure the voltage between | • Replace door | Refer to load |
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| (freezer, refrigerator, | PCB power blue line and fan | switch (freezer, | driving circuits in |
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| home bar). | motor after pressing test switch | refrigerator and | circuit |
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| • Defective fan motor. | of Main PCB. If the voltage is | home bar). | explanation. |
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| • Defective fan motor | normal, it is OK. | • Replace fan motor. |
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| driving relay. |
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| Faulty defrost. |
| Refer to faulty defrost items in trouble diagnosis | Refer to trouble | |
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| functions. |
| diagnosis |
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| function. |
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