LG LRE30451 Service page 64

Warming drawer sensing error
Check for loose connector.
(Front) (main PCB CN5)
CN5 CN5 CN5 CN5 CN5 CN5 CN5
CN5 CN5 CN5 CN5
CN5 CN5
CN5 CN5 CN5 CN5
CN5 CN5
CN5 CN5 CN5 CN5
CN5 CN5 CN5 CN5 CN5 CN5 CN5
Inspect connector pin solder of CN5 (Back) (main PCB CN5)
F-CODE FLOW CHART
F-5, F-6 error
and look for harness terminals damaged or not
Remove the main PCB(009A) harness
and pull the PCB(009A) forward
from the PCB case
Back
CN5 CN5 CN5 CN5 CN5
CN5 CN5 CN5 CN5
CN5 CN5 CN5 CN5
CN5 CN5 CN5 CN5
CN5 CN5
CN5 CN5 CN5 CN5
CN5 CN5 CN5 CN5
CN5 CN5 CN5
Cracked?
Repair and fix
END
Yes
Check for loose connector.
(main PCB CN5)
No
Normal?
Yes
※ If pin solder is cracked,
repair and re-use
No
Yes
7-8
Reconnect and
replace the bad harness
END
Replace
END