LG LMVM2033SW Service Manual page 23

Turns on automatically
Does the product turn on
automatically without pushing
the start key?
Yes
1 Repeat door open and close
at least three times.
Does the product operate?
No
2 Is there any beeping sound
in the continuity test between
the ends of the latch board?
- Secondary switch
(Door should be closed.)
Yes
Power ON
3
When the door is closed,
does the oven lamp turn on?
Yes
Alternate
Yes
explanation
(refer to the
Note on p. 19)
Adjust latch
No
board
(refer to section
9-1, 9-2)
Replace the
No
turntable motor.
-23-
4 When the door is opened,
Is the voltage of the door
sensing part over 4 V?
(Pin 11 to Pin 12)
Yes
5
Is the voltage of both ends
of the D37 over 8 V?
Yes
4 Is there any beeping sound
in the continuity test
between the ends of the two
pins of RY1 ?
No
Replace the PCB
(EBR75341201)
Replace the PCB
No
(EBR75341201)
Replace the PCB
No
(EBR75341201)
Yes
PCB No Problem