Hitachi NJI-350B - Manual (Page 291)

Chapter 13 Troubleshooting
13-16
(h) Peripheral units problem
Peripheral units cannot be connected.
Replace the connection cable
Please contact our service
department.
NO
YES
Expansion connector check
Expansion cable check
YES
NO
YES
NO
YES
NO
Correct the setting
Set the CPU DIP SW to the
communication speed of the
peripheral unitused
Broken fuse
∗ Fuse replacement may not be
performed by the user, so a
replacement request must be
submitted
Is it a fatal CPU error?
Are the connection
cable type, continuity
and connector
connections normal?
Are the CPU
communication setting
correct?
Is there 5 V DC output
when a 5 V DC power
supply is required?