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Refer
Self-Test, p. 12
PowerLab Owner's Guide
A P P E N D I X
Troubleshooting
This appendix describes most of the common problems that can occur
with your PowerLab recording unit. It covers how these problems are
caused, and what you can do to alleviate them. If the solutions here
do not work, your software guide may contain remedies for possible
software problems. If none of the solutions here or in the software
guide appears to help, then consult your ADInstruments distributor.
Problems: Macintosh
Most problems that users encounter are connection problems.
Improper connections can result in a loss of all or some of a signal.
The PowerLab Status indicator light flashes red, or red and yellow,
when the PowerLab is turned on
Either there is a low-level software or firmware problem (if there are
red and yellow flashes), or an internal hardware problem has been
discovered by the diagnostic self-test (performed by the PowerLab
each time it powers up).
•
Turn everything off, and then after at least five seconds turn the
PowerLab back on again. This should clear a temporary problem.
If not, then the software may have a serious fault, and may need
to be reinstalled, or the PowerLab may need repair. Consult your
ADInstruments distributor.
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