Panasonic DP-3510 Service Manual page 818

11.3.5.4.2. Troubleshooting (Punch Unit, Option)
1. E7-54, Communication Faulty
Finisher Controller PCB, Punch Controller PCB
1) Turn off and then on the host machine. Is the problem corrected?
YES: End.
Wiring
2) Is the wiring between the Finisher Controller PCB and the punch controller PCB
normal?
NO : Correct the wring.
Power Supply
3) Measure the voltage between CN14-5 (+) and CN14-3 (-) on the Finisher
Controller PCB. Is it 24VDC?
YES: Replace the punch controller PCB.
NO :Replace the Finisher Controller PCB.
2. E7-55, Punch Unit Power Supply Fault
Finisher Controller PCB, Host Machine DC Controller PCB
1) Turn off and then off the host machine. Is the problem corrected?
YES: End.
Wiring
2) Is the wiring between the Finisher Controller PCB and the punch controller PCB
normal?
NO : Correct the wring.
Power Supply
3) Measure the voltage between CN14-5 (+) and CN4-3 (-) on the Finisher
Controller PCB. Is it 24 VDC?
YES: Replace the punch controller PCB.
NO :Replace the Finisher Controller PCB.
Ver. 5.2
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
Table 5-025
Table 5-027
818
JAN 2006