Error Mode - LG RC9055*P*Z Service Manual

9
TROUBLESHOOTING

Error Mode

Display
-.Fire detection of drum through
-.Low Thermistor Open/Short
Error.
-.Filter is not replaced.
-.Dryer does not work
symptom
low thermistor temp detecting.
1) Connector → not assembled?- Open
Check weather connector in connected correct or not?
2) If the covering has been peeled away or touch? - Short
If the penetration of water? - Short
Check if any damage in harness or not?
3) Thermistor element → dead
Check if thermistor resistance in normal or not?
4) Check the voltage from main PCB to thermistor
High or low voltage? → Replace Main PCB
* See page No.17
* Thermistor Resistance : 10kΩ±5% at 25℃
1.Check the filter is properly seated.
2.Check the magnet in filter.
3.Check the Reed switch is normal or not.
22
Check point