No Display (No Power) - LG LRE30451SW Service Manual

FAILURE MODE FLOW CHART

No display (No power)

Blank display
Enter key input
Some beep
sound?
Yes
Oven display
blank?
Yes
Replace the main PCB(002A)
END
No
Check the thermal fuse
(See the page 3-1)
No
Check AC input voltage of Main PCB
- Main PCB CN3 (pin 1 and 3)
6-2
1
(Go to page 6-3)