VELOCICALC 9515, Operation And Service Manual

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9
Chapter 5
Troubleshooting
Table 5-1 lists the symptoms, possible causes, and recommended solutions
for common problems encountered with the Model 9515. If your symptom is
not listed, or if none of the solutions solves your problem, please contact
TSI.
Table 5-1: Troubleshooting the V
ELOCI
C
ALC
Model 9515
Symptom Possible Causes Corrective Action
No Display Unit not turned on Switch unit on.
Low or dead batteries Replace batteries.
Dirty battery contacts Clean the battery
contacts.
Velocity reading
fluctuates unstable Fluctuating flow Reposition probe in
less-turbulent flow
Instrument Error
message appears 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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