Chapter 5 Troubleshooting - TSI Instruments VELOCICALC 9515 Operation And Service Manual

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
Symptom
No Display
Velocity reading
fluctuates unstable
Instrument Error
message appears
Remove the probe from excessive temperature immediately:
excessive heat can damage the sensor. Operating temperature limits
can be found in
Possible Causes
Unit not turned on
Low or dead batteries
Dirty battery contacts
Fluctuating flow
Fault in instrument
W A R N I N G
Appendix A, Specifications.
C Model 9515
ELOCI ALC
Corrective Action
Switch unit on.
Replace batteries.
Clean the battery
contacts.
Reposition probe in
less-turbulent flow
Factory service required
on instrument.
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