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9. Inspection and Maintenance
Note and follow the "Safety Instructions"
chapter!
All the inspection and maintenance work de-
scribed in the following may be carried out
by authorised, skilled personnel only.
Repairs may be carried out by the manufac-
turer only.
The switching device does not require any
maintenance.
The ultrasound sensor must be checked for
dirt and its alignment at regular intervals. Al-
ways handle the sensor with care. The sen-
sor can be cleaned with mild soapsuds and
a brush.
The connection leads must be checked for
damage. If any damage is found, the system
must be shutdown immediately.