E
1-10
Series 3000V
lnput/Output
Board
5. Troubleshooting
For wiring information, refer
to the
Wiring Diagrams
section
Problem Possible
Cause
Corrective Action
1
lnputs not being
recognized
Loose connection
lnput voltage
not sufficient
Defective l/O board
Check
the tightness of connections at
the l/O board
and at the
remote devices.
Tighten any loose
connections.
Make
sure the
voltage
across the
appropriate terminals on X1 or TB10 is
12-24VDC.
Replace
the
l/O
board.
Reter
lo
l/O
Board Replacement.
2.
Outputs
not working Loose connection
Defective
l/O board
Check
the tightness of the connections
at the
l/O board
and at the
remote
devices. Tighten any loose connections.
Replace
the
l/O
board.
Refer
to
l/O
Board
Replacement.
El EN-02-[3V-rO]-3 41-3000y
lssued
5/00
@000 Nordson Corporation
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reseNed