dynasonics UFX Instrukcja obsługi - Strona 12
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TROUBLESHOOTING GUIDE
Unit does not turn "ON"
when ON/OFF key is
pressed
"Err1" is indicated
No display readings are
obtained and no "OK"
icon is observed
Dashes appear on display
Readings are obtained,
but the "OK" icon does
not turn on.
Erroneous Readings
12
•
Verify that batteries are installed and
contain a charge.
•
The batteries must be replaced.
•
Poor acoustic coupling to pipe. Apply
silicone grease to transducer.
•
Ensure pipe is full of a flowing liquid.
•
If the pipe has a plastic liner, move the
transducer to another location. The
liner may contain an air void.
•
Non-working transducer. Rub
transducer head with thumb for reading.
•
Liquid contains less than 3% total
suspended solids.
•
Move transducer closer to a source of
flow disturbance. (i.e. an elbow, pump
outlet or control valve.)
•
Liquid velocity is greater than 30 FPS [9
MPS].
•
Signal strength is low. Flow readings
may be erroneous. Move the
transducer closer to a source of
hydraulic disturbance.
•
Transducer mounted incorrectly.
•
Another local ultrasonic instrument is
operating at approximately the same
frequency as the UFX.
•
Excessive pipe vibration.
•
Very viscous (thick) liquids will cause
the unit to read lower than actual flow.
•
The pipe is not completely full of liquid.