LG LMHM2017SW Service Manual page 23

Turntable Motor Does Not Work
Power ON
1
Does the turntable motor
operate?
No
2 Does the Fan Motor turn on
when the EZ-On button is
pressed?
No
3 When door is closed, does
the oven lamp turn on?
No
Yes
Adjust the
Yes
Primary latch
board
(Refer to 9-1,
9-2)
-23-
4 Push the EZ-ON (Operate)
Is the voltage of both ends
of the D30 over 8 V?
Yes
5
If the connector connected to
Main PCB and Door PCB
assembly disconnected or
disassembled? (CN10)
Yes
6
PCB No Problem
Replace the
No
PCB
(EBR64419604)
Reconnect or
No
repair the
connector.