Daewoo KUD-UD121DCR, Service Manual

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62
Heater Replacement
2) Breakdown Diagnosis
Breakdown
Cause Diagnosis Solution
PCB
Symptoms Error Mode
Washing
water
not heated
(common for
drum)
Overheating of
washing water
Wiring short
Washing heater or
temp. fuse short
Connector/ terminal
loosening
Defect in washing
heater temp. sensor
Defect in washing
heater temp. sensor
Connect the cut-off part.
Replace washing
heater.
Insert terminal.
Replace temp. sensor.
Replace temp. sensor.
"H6"
"H6"
"H6"
"H2"
"H2" or "H4"
Check for short
Check for short: Normal if 23.3~25.7ohm between both
terminals of washing heater
Check for loosening: Common for drum
Measuring resistance between both terminals of sensor:
Measuring resistance between both terminals of sensor:
* How to Replace Washing Heater and Temp. Sensor
1. Dismantling Connector 2. Loosening Earth and Heater Nuts
3. Replacing Heater and Temp. Sensor
4. Administer assembly in reverse order and make sure to fasten heater nuts first before the earth nuts.