LG LDG3015SB Service Manual page 57

CHECKING FLOW CHART BY FAILURE
No display (No power)
1
Check the connection of L1 and N
from power inlet.
Yes
2 Normal?
Fix or replace the lead wire
END
3
Check and fix the connection
1. Between Oven SYSTEM and SMPS PCB,
2. Between DISPLAY and Oven system PCB
Normal?
END
No
No
Yes
Replace the Oven SYSTEM PCB
(EBR72822702)
10-3