LG LSGL6337F - Convection Fan Does Not Operated (Including F7 Error)

10-21
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Only training and service purposes
CHECKING FLOW CHART BY FAILURE
Is the connection of the convection
motor loose or disconnection?
Is the connection of CN4 of Power
PCB and CN1 of Main PCB normal?
No
Yes
Yes
Yes
No
No
Convection Fan does not
operated
Disconnect the power
Convection Fan does not operated 󱕒 F7 error
Reconnect.
If defective harness,
Replace or fix
Reconnect.
If defective harness,
Replace or fix
Replace the
Convection Motor
Check the Convection Motor’s resistance.
Is it normal?
(Refer to 4-1Page “Component Test”)
Replace the Main PCB
If the same phenomenon occurs even though
after Replaced Main PCB, you should replace
the Power PCB