LG RC9011 Series Service Manual page 23

DIAGOSTIC TEST
11
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, lamp
turns on?
(Tumbling stops)
When door is closed, lamp
turns off?
When "Start" button is
pressed, the dryer is working?
When door is opened or
closed, door switch hook is
not broken?
• With door closed, check voltage of
connector RLY
which are pulled out from
controller in advance. The voltage
range is between AC 215~245V?
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.
1 and YL3 2
22
Check door switch
movement.
- See the left picture.
Check and replace lamp.
- See the 14,16 page
• Door switch is working
normally.
• Replace door hook and
close the door.
• Door frame is distorted
• Check door switch
- See 16 page