Troubleshooting The Pxi-1050 - National Instruments NI PXI-1050 User Manual

Troubleshooting the PXI-1050

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analog supply. To check whether a fuse is blown, connect an ohmmeter
across the leads. If the reading is not 0 Ω, replace the fuse.
3. Use a pair of needle-nose pliers to carefully extract the fuse.
4. Take a new fuse and bend its leads so the component is 1.27 cm
(0.5 in.) long (the dimension between the fuse sockets), and clip the
leads to a length of 0.635 cm (0.25 in).
5. Using the needle-nose pliers, insert the fuse into the socket holes.
6. Repeat, if necessary, for the other fuse.
7. Check the fan filter and, if it is dirty, clean it as described in the
Subsystem Fan Filter Cleaning
8. Reinstall the fan and filter.
Refer to Table 3-1 to troubleshoot the PXI-1050 chassis. The table lists
possible causes for power failure and recommends ways to correct the
problem.
Table 3-1. Troubleshooting Power Failure
Possible Cause
PXI-1050 chassis is not
connected to power source.
Power switch is not
switched on.
Circuit breaker is tripped.
Power supply has failed.
section of this chapter.
Make sure that the PXI-1050 is connected
to a live electrical outlet. Try operating
another piece of equipment from this
outlet.
Set the PXI power switch to the On
position.
Reset the circuit breaker. Refer to the
Resetting the AC Main Circuit Breaker
section of this chapter.
Contact National Instruments.
3-5
Chapter 3 Maintenance
What to Do
NI PXI-1050 User Manual
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