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.
X
X
Ensure that the system is depres-
surised before the ultrasonic sensor
is installed/removed.
X
X
Check the container level.
X
X
If necessary, empty the tank before
the ultrasonic sensor is installed/
removed.
X
X
If necessary, wear personal pro-
tective equipment (safety gloves,
safety glasses).
X
X
Capture any escaping media in a
suitable vessel.
WARNING
Danger to man and the environment
due to chemicals!
The shipper is responsible for damage!
X
X
Observe the safety data sheet of
the medium.
X
X
Protect against possible emissions
(vapours, liquids)!
