Sanyo PLC-WXU10N Service Manual page 25

Power Source Troubleshooting:
No Power Source
after turning on
Check AC socket and
connector
OK
Check
Safety Switch
OK
Check LED and keypad
FPC
OK
Check 12 pin
Power output
OK
Replace
mainboard
PLC-WXU10
NG
Replace AC
socket
NG
Replace power
board or reinstall
NG
Replace keypad
and FPC
NG
Check
Fuse
OK
Replace power
board
Fan failure after
turning on
Check fan
connection
OK
Check
Fan
OK
Check
Mainboard
NG
Replace fuse
22
NG
Reconnect fan
NG
Replace fan
NG
Replace
Mainboard