LG DLE2512W Service Manual - Page 28

Test 5 - flashing

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Test 5 Door switch test Caution Before measuring resistance, be sure to turn Power off, and do voltage discharge. (When discharging, contact the metal plug of Power cord with earth line.) Door Opening is not sensed.(During operation, when opening Door, Drum motor and Trouble Symptom Heater run continuously) Door Close is not sensed. (Drum motor will not operate. Display will flash at 0.5 second intervals.) Measurement Condition After turning Dryer Power Off, measure resistance. BK2 WH1 12 1 1 Measure while Door is closed. Check it resistance is below 2500 Ω between WH1- (White wire) and BK2- Connector WH1,BL2 after taking WH1,BL2 out from Controller. YES NO Measure while Door is open. Check it resistance is 300~60 Ω between WH1- (White wire) and BK2(Black wire). Connector WH1,BL2 after taking NO WH1,BL2 out from Controller. YES • Door switch Check (Refer to Component testing.) • Check Lamp. (When opening Lamp, replace then measure again.) • Door switch Check(Refer to Component testing.) Measure while Door is open. Check it resistance is below 1 Ω between BL2- (Yellow wire) and WH1- (White wire) after taking Connector WH1,BL2 out from Controller. YES NO • Door switch Check (Refer to Component testing.) Measure while Door is closed. Check it resistance is below 1 Ω between BL2- (Yellow wire) and WH1- (White wire) after taking Connector WH1,BL2 NO out from Controller. YES • Door switch Check (Refer to Component testing.) Check Controller. Check Harness-linking connector. 27

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27
´
Test 5
Door switch test
Caution
Trouble Symptom
Measurement Condition
Before measuring resistance, be sure to turn Power off, and do voltage discharge.
(When discharging, contact the metal plug of
Power cord with earth line.)
Door Opening is not sensed.(During operation, when opening Door, Drum motor and
Heater run continuously) Door Close is not sensed.
(Drum motor will not operate. Display will flash at 0.5 second intervals.)
After turning Dryer Power Off, measure resistance.
Check Controller.
Check Harness-linking connector.
NO
YES
•
Door switch
Check (Refer to
Component
testing.)
YES
NO
•
Check Lamp.
(When opening
Lamp, replace then
measure again.)
•
Door switch
Check(Refer to
Component
testing.)
NO
YES
1
1
2
BK2
WH1
•
Door switch
Check (Refer to
Component
testing.)
YES
NO
•
Door switch
Check (Refer to
Component
testing.)
1
Measure while Door is closed. Check it resistance is
below 2500
Ω
between WH1-
(White wire) and
BK2-
Connector
WH1,BL2 after taking WH1,BL2 out from Controller.
Measure while Door is open. Check it resistance is
300~60
Ω
between WH1-
(White wire) and BK2-
(Black wire). Connector WH1,BL2 after taking
WH1,BL2 out from Controller.
Measure while Door is open. Check it resistance is
below
1
Ω
between BL2-
(Yellow wire) and
WH1-
(White wire) after taking Connector WH1,BL2
out from Controller.
Measure while Door is closed. Check it resistance is
below
1
Ω
between BL2-
(Yellow wire) and
WH1-
(White wire) after taking Connector WH1,BL2
out from Controller.