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Chapter 5
Troubleshooting
Table 5-1 lists the symptoms, possible causes, and recommended
solutions for common problems encountered with the Model 9565. If
your symptom is not listed, or if none of the solutions solves your
problem, please contact TSI.
Table 5-1: Troubleshooting the Model 9565
Replace batteries or plug
in AC adapter.
Clean the battery
contacts.
Velocity reading
fluctuates unstable
Reposition probe in less
turbulent flow or use
longer time constant.
Unlock keypad by
pressing keys
simultaneously.
Instrument Error
message appears
Download data if desired,
then DELETE ALL memory.
Factory service required
on instrument.
Probe Error
message appears
Factory service required
on probe.
Probe is plugged in,
but the instrument
does not recognize
it
Probe was plugged in
when the instrument was
ON
Turn instrument OFF and
then turn it back ON.
W A R N I N G !
Remove the probe from excessive temperature immediately:
excessive heat can damage the sensor. Operating temperature limits
can be found in Appendix A, Specifications. The pressure sensor is
protected from damage up to 7 psi (48 kPa or 360 mmHg). At higher
pressure it can burst!