12
If any of these problems persist, call the factory for
assistance.
Troubleshooting
Symptom
Check
DISPLAY SHOWS [
]
The measured value is beyond the instrument’s
range. Be sure there is no applied pressure, then
press ZERO.
DISPLAY SHOWS
The internal connection between the meter and
[
] the sensor is faulty. Turn the meter off,
then turn it back on again.
DISPLAY DOES
Press the ON/OFF key until the unit turns off.
NOT CHANGE
Then turn it on and try again.
Your input might simply be very stable. Test your
meter by pinching the hoses.
METER TURNS OFF
The batteries are too low for your completing
start-up meter start. Watch for the [
] cycle
indication just before the meter turns off, then re-
place the batteries.
The input is not steady.
Check to see that your Pitot-static probe is held
steady.
ERRONEOUS READINGS
Make sure that your Pitot-static probe is perpen-
dicular to the air flow you are measuring.
Clean your Pitot-static probe—it may be dirty.
Take measurements at a different location.
MEASUREMENT
IS ERRATIC
