BASI BUFM660 Series, Manual

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27
7. Trouble-shooting
Trouble
Phenomenon
Trouble Reason Solution
The instrument does
not show, and does not
work
.
Power supply error.
Wiring error.
Check the power supply.
Check the wiring.
The instrument
doesn’t work but with
show.
The probe doesn’t aim at the liquid or
the material.
The surface has great fluctuations.
Liquid surface with lots of foam.
The container is empty and the bottom
is not flat.
Adjust the sensor and aim at the
material.
Add a tube to the container or Use
the static water Wells.
Add a tube to the container.
Add the water and the instrument
will work well.
The instrument shows
unstable or the
measured value has a
great deviation.
Wrong setting about the weir type
number or the installation height or the
flow rate unit.
The level enters the blanking distance.
There is strong electromagnetic
interference.
There is Obstruction of the ultrasonic
wave.
There are floaters on the liquid.
Check the settings.
Increase the installation height of
the instrument, or prevent the level
too high.
Increase shielding to the
instrument.
Change the installation site or
using a plastic tube.
Eliminate floater.
The probe is fixed in
circular tube
Suggest the diameter of the tube is greater than 80 mm, the length is not more
than 400 mm.