11
Chapter 5
Troubleshooting
Table 5-1 lists the symptoms, possible causes, and recommended solutions
for common problems encountered with the Model 5725. If your symptom is
not listed, or if none of the solutions solves your problem, please contact
TSI.
Table 5-1: Troubleshooting the Model 5725
Symptom Possible Causes Corrective Action
No Display Unit not turned on Switch unit on.
Low or dead batteries Replace batteries or plug
in AC adapter.
Dirty battery contacts Clean the battery
contacts.
Velocity reading
fluctuates unstable
Fluctuating flow Reposition probe in
less-turbulent flow or use
longer time constant.
Instrument Error
message appears
Memory is full Download data if desired,
then DELETE ALL
memory.
Fault in instrument Factory service required
on instrument.
WARNING!
Remove the probe from excessive temperature immediately:
excessive heat can damage the sensor. Operating temperature limits
can be found in Appendix A, Specifications.
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