LG GDL1329CED3, Service Manual

Page: 54 / 79

54
Test 5
Door switch test
WARNING
•
Before measuring resistance, be sure to turn power off, and do voltage discharge. (When discharging,
contact the metal plug of power cord with the earth line.)
•
Failure to follow these instructions can result in death or electric shock.
Trouble Symptom
Measurement Condition
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 1/
Turn the dryer’s power off, then measure resistance.
NO
NO
NO
YES
YES
NO
YES
YES
Measure while door is closed. Check it resistance is
below 2500 ‰ between YL3- (White wire) and
BK2- Connector
YL3,BL2 after taking WH1,BL2 out from Controller.
Measure while door is open. Check it resistance is
300~60 ‰ between YL3- (White wire) and BK2-
(Black wire). Connector YL3,BL2 after taking
YL3,BL2 out from controller.
Measure while door is open. Check it resistance is
below 1 ‰ between BL2- (Yellow wire) and
YL3- (White wire) after taking connector YL3,BL2
out from controller.
Measure while door is closed. Check it resistance is
below 1 ‰ between BL2- (Yellow wire) and
YL3- (White wire) after taking connector YL3,BL2
out from controller.
Check hontroller.
Check harness-linking connector.
•
Door switch
check (Refer to
component
testing.)
•
Door switch
check (Refer to
component
testing.)
•
Door switch
check (Refer to
component
testing.)
•
Check lamp. (When
opening lamp,
replace then
measure again.)
•
Door switch check
(Refer to
component testing.)
BK2 YL3
YL3
BL2
1
2
1
2
1
1
1
1