LG TD-C70040E Service Manual page 28

DIAGOSTIC TEST
11
Test 6 Moisture sensor 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 10Ω?
After damp clothes touch
Sensor tips,
the range are within the
below table when QA-test?
40% ~ 60%
5% ~ 20%
-3 ~ +5 %
❄ IMC : Initial Moisture Contents.
- CN1 resistance is
YES
- CN1
YES
❄ IMC
DISPLAY
27
• Check Harness
• Check if Sensor tips
NO
have foreign objects
- Refer to the left picture
• Check Harness
- Open, Connector is
disconnected
NO
• Check and replace
Controller
NO
50 ~ 130 After Spinning
100 ~ 200
205 ~ 240 After normal dry
NOTE
Iron dry