11
Chapter 5
Troubleshooting
Table 5-1 lists the symptoms, possible causes, and recommended solutions
for common problems encountered with the Model 9545/9545-A. If your
symptom is not listed, or if none of the solutions solves your problem, please
contact TSI.
Table 5-1: Troubleshooting the Model 9545/9545-A
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 section 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
.