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Troubleshooting > Controller Self Diagnosis > Operation Check of the Main Controller LEDs > Check the lighting of the LDEs on the Main Controller PCB 1
Troubleshooting > Controller Self Diagnosis > Operation Check of the Main Controller LEDs > Check the lighting of the LDEs on the Main Controller PCB 1
■
Check the lighting of the LDEs on the Main Controller PCB 1
• Main Controller PCB 1 - LED9, LED16
• Flash PCB - LED1
LED16 is lit.
- Check for any blown-out fuse of the Relay Board
- Check whether the connector (on the Main
Controller PCB 1 side) is securely connected
- Replace the Main Controller PCB
Check the ligh
ti
ng of the LDEs on
the Main Controller PCB 1
Yes
No
LED9 is lit.
Yes
No
Determine the faulty PCB by the error code (E602-0001) a
ft
er
removing the Main Controller PCB 2 and turning ON the power.
- No error code is displayed => Replace the Main Controller PCB 1
- Error code (E602-0001) is displayed => Replace the Main Controller
PCB 2
LED1 of the Flash
PCB is lit.
Yes
No
- Check for poor connec
ti
on of the FLASH PCB connector
- Replace the FLASH PCB / Main Controller PCB 1
- In the case of startup failure (error code cannot be displayed)
although the LED is lit, replace the FLASH PCB
Normal startup
Normal opera
ti
on
Yes
No
Replace the
FLASH PCB
F-6-168