Advanced Instruments 4250, User Manual

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Troubleshooting Table
Appendix A
Problem/Message Explanation
Abrupt loss of power
“A/D Init Failure”
“A/D High Filter
Error”
“A/D Low Filter
Error”
“A/D Cal Mode Error”
“Baudrate Error”
“Block Probe Failure”
“Block Probe Open?”
If you lose power to your instrument, we
recommend that you check that your outlet is
providing the correct amount of power.
Check that your cord is firmly plugged into
both the instrument and the outlet. Visually
inspect the fuses, and change as necessary.
Error is self-correcting. If the error persists,
contact Advanced Instruments for Hot-Line
Service.
Reset baudrate. If the error persists, contact
Advanced Instruments for Hot-Line Service.
If you see this message, check the probe
wiring and then try restarting your instru-
ment. If the problem persists, contact
Advanced Instruments for Hot-Line Service.
If you see this message, first try restarting
your instrument. Make sure the block probe
is plugged into the main board. If the prob-
lem persists, contact Advanced Instruments
for Hot-Line Service.
Make sure that the instrument is unplugged before removing
the instrument cover!