5. Troubleshooting when error happens
( If the relative parts is normal, Error code display will be reset. )
1) Freezer sensor error
- Cause : Freezer sensor disconnection or short.
- Check point : Measure the resistance between both terminals after separating CN9 of the Main PCB.
If sensor is disconnected or short, change that in the freezer compartment.
2) Refrigerator sensoer error
- Cause : Refrigerator sensor disconnection or short.
- Check point : Measure the resistance between both terminals after separating CN8 of the Main PCB.
If sensor is disconnected or short, change that in the refrigerator compartment.
3) Room temperature sensor error
- Cause : Room temperature sensor disconnection or short.
- Check point : Measure the voltage of sensor part on the Main PCB.
If voltage is 0.5~4.5V, normal. If voltage is 0V (short) or 5V (disconnect), change new one.
4) Defrost sensor error
- Cause : Defrost sensor disconnection or short.
- Check point : Measure the resistance between both terminals after separating CN9 of the Main PCB.
If sensor is disconnected or short, change that on the evaporator.
5) Refrigerator door switch error
- Cause : When it senses the door open for more than 1 hour.
- Check point : Check the each door switch and exchange.
6) Freezer door switch error
- Cause : When it senses the door open for more than 1 hour.
- Check point : Check the each door switch and exchange.
7) Cycle error
- Cause : When compressor works for over 3 hours although Defrost sensor is over -5C.
- Check point : Refrigerant leakage.
8) Abnormal defrosting end error
- Cause : in case defrosting mode ends after 80 minutes.
- Check point : Measure the resistance between both terminals of the defrost heater.
If the resistance is infinity (disconnection) or 0 ohm (short).
FUNCTIONS ( Error Display_Basic Model )
15
Summary of Contents for FRU-541 Series
Page 1: ...Mar 2010 S M No FRSU20IA05...
Page 4: ...2 External Size SPECIFICATIONS 3...
Page 30: ...1 Inner Basic Model 2 Basic Model 3 Dispenser Model WIRING DIAGRAM Refrigerant R 134a Type 29...
Page 31: ...1 Inner Basic Model 2 Basic Model 3 Dispenser Model WIRING DIAGRAM Refrigerant R 600a Type 30...
Page 32: ...1 Inner Basic Model 2 Basic Model 3 Dispenser Model WIRING DIAGRAM for Inverter Compress 31...
Page 55: ...COOLING CYCLE HEAVY REPAIR Brzing Reference Drawings 54...
Page 56: ...Water System for Dispenser Model 55...
Page 57: ...How to install water line Dispenser models only 56...
Page 58: ...How to install water line Dispenser models only 57...
