LG LMV1683ST Service Manual page 23

Turn on automatically
Is the product turn on
automatically without pushing
the start key?
Yes
1 Repeat Door Open and close
more than three times.
Dose the product operate?
No
2 Is there any beep sound
in continuity test between
the ends of 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 with
Yes
explanation
(Refer to the
Note)
Adjust latch
No
board
(Refer to 9-1,
9-2)
Replace the
No
turntable Motor.
-23-
4 When the door is opened, Is
the voltage of door sensing
part over 4 V?
(Pin 11 to Pin 12)
Yes
5 Is the voltage of both ends
of the D36 over 8 V?
Yes
4 Is there any beep sound in
continuity test between the
ends of two Pin of RY1 ?
No Replace the PCB
(EBR67471707)
Replace the PCB
No
(EBR67471707)
Replace the PCB
No
(EBR67471707)
Yes PCB No Problem