Alnor AVM430 User Manual

11
Chapter 5
Troubleshooting
Table 5-1 lists the symptoms, possible causes, and recommended
solutions for common problems encountered with the Alnor
AVM430/Airflow Instruments TA430. If your symptom is not listed, or
if none of the solutions solves your problem, please contact TSI.
Table 5-1: Troubleshooting the Alnor AVM430/Airflow
Instruments TA430
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.
No response to
keypad
Keypad locked out
Unlock keypad by
pressing  keys
simultaneously.
Instrument Error
message appears
Memory is full
Download data if
desired, then DELETE
ALL memory.
Fault in instrument
Factory service
required on instrument.
W A R N I N G !
Remove the probe from excessive temperature immediately:
excessive heat can damage the sensor. Operating temperature limits
can be found in Appendix A, Specifications.
w ww. . com
information@itm.com1.800.561.8187

Alnor AVM430 Specifications

General

Brand	Alnor
Model	AVM430
Category	Measuring Instruments
Language	English