TSI Instruments VelociCalc 9600 Series

43
CHAPTER 9
Troubleshooting
Table 1 lists the symptoms, possible causes, and recommended
solutions for common problems encountered with the VelociCalc
®
Air
Velocity Meter. If your symptom is not listed, or if none of the
solutions solves your problem, please contact TSI
®
Incorporated.
Table 1. Troubleshooting the VelociCalc
®
Air Velocity Meter
Symptom
Possible Causes
Corrective Action
No Display
Unit not turned on
Switch unit on.
Low or dead batteries
Replace batteries or plug
in AC/DC power supply.
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 shows a
memory full
message and
cannot log
more data
Memory is full
Download data if desired
then DELETE ALL memory.
Probe Error
message appears
Fault in probe
Factory service required
on probe.