LG TD-C70070E Service Manual page 27

Condensing dryer
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DIAGOSTIC TEST
10
Test 6 Moisture sensor check
Trouble Symptom : Drying Failure
Measurement condition : Power cord is unplugged.
RD4
4 3
2
1
With RD4 disconnected from
Controller, RD4 ① - RD4 ③
resistance is
unlimited?
Metal Wire
With metal tape attached to
Sensor tips, RD4 ① - RD4 ③
resistance is less than 10Ω?
After damp clothes touch
Sensor tips,
the range are within the
below table when QA-test?
YES
YES
26
• Check Harness
• Check if Sensor tips
N O
have foreign objects
- Refer to the left picture
• Check Harness
- Open, Connector is
disconnected
N O
• Check and replace
Controller
N O

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