8-8
TROUBLESHOOTING
Check the connection of
Main PCB.(CN01)
Normal?
Yes
No
Yes
Plug the unit
Power Failed (Dead),
No display?
Check the button beep.
Touch the Clear button,
Can hear the beep
sound?
Replace the
Main PCB
No
Reconnect.
If defective
harness,
replace or fix
1
No
No
Check the connection of
Power Cord. Normal?
Reconnect. If
defective
harness,
replace or fix
2
3
Check the AC input of Main
PCB.
- Main PCB CN01(Pin 1 and 3)
120V AC?
No
Yes
Replace the
Main PCB
4
No
Yes
Check the connection of L
and N at Terminal block.
Normal?
Reconnect.
Replace the
Main PCB
5
Содержание LDG4313ST
Страница 50: ...6 1 COMPOSITION OF CONTROL 1 Wiring Diagram Main system PCB ...
Страница 53: ...6 4 COMPOSITION OF CONTROL NFC PCB NFC PCB P N EBR78789101 Buzzer PCB Buzzer PCB EBR76332902 ...
Страница 89: ...2034 2050 203L 203R 2051 2006 2501 260M 2001 260B 2381 260K 2043 2042 2044 2385 CONTROLLER PARTS EV ...
Страница 93: ......