Error Mode - LG RC9055 P Z Series Service Manual

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1
TROUBLESHOOTING IDENTIFICATION

Error Mode

Display
-.Fire detection of drum through
low thermistor temp detecting.
-.Low Thermistor Open/Short
Error.
-.Filter is not replaced.
-.Dryer does not work
symptom
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 : 10k¥ ¡ 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.
Check point
22