LG LDG4313BD Service Manual page 71

Door Lock System Failure,F10 or F20 ?
Plug in the unit
Note :
Just after self-clean start,
the door lock motor starts to rotate.
During this time if the door lock switch
does NOT operate properly after
rotating twice,
then supervising circuit detects
a Door Lock failure and
the F10 or F20 error code appears.
1
ICheck the operation of
door lock motor.
Press Lower Clear/Off
button for 3 seconds.
and try to open the door.
Does the door open?
Door lock icon turns on.
It is normal. Check the
wiring
TROUBLESHOOTING
Yes
Go to No 2
No
Unplug the unit
2
Is the Connector disconnected
or loose?
Check the following :
(1) Electric wiring of
relay in Main PCB
(2) Electric wiring of Locking
Motor and Micro Switch
(3) Electric wiring of CN60 and
CN61 of Main PCB
8-15
Reconnect.
No
If defective
harness,
replace or fix
CN61
CN60
Yes