©
National Instruments Corporation
B-1
B
Troubleshooting and
Common Questions
This appendix describes how to troubleshoot problems and answers some
common questions.
Troubleshooting ibdiag Errors
Warning
Do not try to open and service the box unless you are qualified personnel and
equipped to do so. The GPIB-1284CT contains circuitry that operates under hazardous
voltages.
If
ibdiag
returns an error message, complete the following steps:
1.
Make sure that your GPIB-1284CT is connected to the parallel port
you selected in
ibdiag
.
2.
Make sure that a parallel cable is not connected to the pass-through
parallel port.
3.
Make sure that the POWER and PASS THROUGH LEDs are lit.
If the PASS THROUGH LED does not come on when the box is
powered on, contact National Instruments. If the POWER LED is
not lit, do the following:
a.
Make sure that the power switch is in the ON position.
b.
Make sure that the power cable is securely plugged into the power
outlet.
c.
If you have the AC version, check the power cord connection and
the fuse. If you have the DC version, check the connection to the
power supply.
Warning
To prevent fire, replace the fuse with only the same type and rating of fuse.
For fuse specifications, refer to Appendix C,