LG RC9055*P*Z Service Manual page 25

10 DIAGNOSTIC TEST
Test 2 DOOR SWITCH / LAMP CHECK
Trouble Symptom : Malfunction of lamp operation and door switch
Measurement condition : Check if they are working while being connected to power supply.
No operation of pump motor
Displays " " in case of the door closed.
The door must be closed and start.
When door is opened, does
lamp turn on?
(Tumbling stops)
When door is closed, does
lamp turn off?
When "Start" button is
pressed, the dryer is working?
When door is opened or
closed, door switch hook is
broken?
• Check the electrical conduction by
Yellow tab relay -blue wire and
White 3pin connector – white wire
(By open and close door)
Check or replace Controller Assembly.
Replace Harness and connector.
• With door closed, when
"Start" button is pressed,
lamp turns off and
controller is working, but
the dryer is not working.
25
Check door switch
movement.
- See the left picture.
Check and replace lamp.
- See the 13 page
• Door switch is working
normally.
• Replace door hook and
close the door.
• Check door switch
- See 15 page