- 68 -
Problems | Symptom | Causes | Checks | Measures | Remarks | ||
|
|
|
|
|
|
|
|
Bad cooling. | Freezer | Compressor does | Compressor Lead Wire | Check compressor Lead Wire | Reconnect Lead |
| |
| temperature is | not start. | is cut. | with a tester. | Wire. |
| |
|
|
|
|
|
|
|
|
| high. |
| Defective compressor | Measure voltage at PCB CON2 | Replace relay(RY1 | Refer to load | |
|
|
|
| driving relay. | (3&9) after pressing main PCB | and RY2) or PCB. | driving circuit in |
|
|
|
|
| test switch once. It is OK if |
| circuit |
|
|
|
|
| voltage is normal. |
| explanation. |
|
|
|
|
|
|
|
|
|
|
| Defective freezer | Defective Freezer | Check resistance of freezer | Replace freezer | Refer to |
|
|
| sensor. | sensor parts. | sensor with a tester. | sensor. | resistance |
|
|
|
|
|
|
| characteristics |
|
|
|
|
|
|
| table of sensor in |
|
|
|
|
|
|
| circuit |
|
|
|
|
|
|
|
|
|
|
|
| Freezer sensor is | Confirm the color of sensor in | Repair main PCB | explanation. |
|
|
|
| substituted for other | circuits (main PCB sensor | sensor housing |
|
|
|
|
| sensor. | housing). |
|
|
|
|
|
|
|
|
|
|
|
|
| Defective freezer fan | Fan motor lead wire | Check fan motor lead wire | Reconnect lead |
|
|
|
| motor. | is cut. | with a tester. | wire. |
|
|
|
|
|
|
|
|
|
|
|
|
| • Defective door switch | Measure the voltage between | • Replace door | Refer to load |
|
|
|
| (freezer, refrigerator, | PCB power blue line and fan | switch (freezer, | driving circuits in |
|
|
|
| home bar). | motor after pressing test switch | refrigerator and | circuit |
|
|
|
| • Defective fan motor. | of Main PCB. If the voltage is | home bar). | explanation. |
|
|
|
| • Defective fan motor | normal, it is OK. | • Replace fan motor. |
|
|
|
|
| driving relay. |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Faulty defrost. |
| Refer to faulty defrost items in trouble diagnosis | Refer to trouble | |
|
|
|
|
| functions. |
| diagnosis |
|
|
|
|
|
|
| function. |
|
|
|
|
|
|
|
|
TROUBLE DIAGNOSIS
