LG LRGL5821S Service Manual page 47

CHECKING FLOW CHART BY FAILURE
4
Check the AC input of Main PCB
- Main PCB 1pin,3pin of CN01 120V AC?
CN01
No
5
Check the connection of L1 and N
at Terminal block. Normal?
Yes
Check the Thermostat
6
- Normal : Short
- Abnormal : Open
Normal?
Yes
Replace the
main PCB
Yes
Replace the main PCB
No
Reconnect.
No
Replace the Thermostat
10-3
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