LG TD-C7014 series Service Manual page 27

11 DIAGOSTIC TEST
Test 6 Thermistor check
Trouble Symptom : Drying Failure
Measurement condition : Power cord is unplugged.
GN1(RD4)
4 3
1 2
With CN1(RED4)
disconnected from Controller,
CN1
unlimited?
Metal Wire
With metal tape attached to
Sensor tips, CN1
resistance is less than 10 Ω?
After damp clothes touch
Sensor tips,
the range are within the
below table when QA-test?
40% ~ 60%
5% ~ 20%
-3 ~ +5 %
-CN1 resistance is
YES
-CN1
YES
IMC DISPLAY
100 ~ 200
205 ~ 240
2 7
• Check Harness
NO
• Check if Sensor tips
have foreign objects
- Refer to the left picture
• Check Harness
NO
- Open, Connector is
disconnected
NO
• Check and replace
Controller
50 ~ 130 After Spinning
After normal dry
NOTE
Iron dry