6/7 901A0004A01M - V03 Date: 28.06.2019
Ultrasonic sensor 2UF
en
7 Maintenance
7.1 Ultrasonic sensor
X Check visually and check operation.
X Check for correct seating/leak-tightness.
X Do not operate the ultrasonic sensor if the
seals on the flange or focus tube (6) are dam-
aged.
X Check the connection leads for damage.
X Clean the focus tube (6) and vent hole (5) if
they are highly soiled.
X If the ultrasonic transducer (4) is soiled, clean
with a damp cloth.
Identify replacement parts, e.g. damaged seals
using the product specification/drawing/datasheet
and contact elobau.
6.4 Faults/troubleshooting
Problem Cause Remedy
No or
implausible
measured
values
Ultrasonic sensor connected
incorrectly
X Check for correct connection
X Check power supply
Focus tube soiled X Clean tube
Vent hole clogged X Clean hole
Ultrasonic transducer (groove)
soiled
X Clean ultrasonic transducer
Extreme sloping position X Position ultrasonic sensor/vehicle in a level
position
Unknown X Switch off the power to the ultrasonic sensor
and then switch back on
Scattering of the sound waves
due to the irregular shape of the
object.
X Adjust the alignment of the ultrasonic sensor
and/or the object
8 Removal/disposal
WARNING
Danger due to pressurised media!
Escaping media can result in severe
injuries.
XX Ensure that the system is depres-
surised before the ultrasonic sensor
is installed/removed.
XX Check the container level.
XX If necessary, empty the tank before
the ultrasonic sensor is installed/
removed.
XX If necessary, wear personal pro-
tective equipment (safety gloves,
safety glasses).
XX Capture any escaping media in a
suitable vessel.
WARNING
Danger to man and the environment
due to chemicals!
The shipper is responsible for damage!
XX Observe the safety data sheet of
the medium.
XX Protect against possible emissions
(vapours, liquids)!
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