15
6.
Maintenance and Repairs
At regular intervals carry out the inspections in accordance with the BGV A2 (Instruction
of the Professional Trade Association). The inspections must be performed by an
electrical specialist.
The recommended inspection period in accordance with the BGV A2 is:
In addition to the above, the following checks should be carried out at shorter intervals:
Check the housing for cracks and fractures and the mains connection lead for
signs of pinching and shearing-off. Also check the strain relief with kink
protection, in particular after each case of mechanical loading.
Operate the drive to travel to the end-of-travel positions, in doing so check
whether the function LED on the handset lights up, and listen out for the
acoustic signal. Check the function of the blocking device as described on
pages 12 to 14.
to ensure its readiness for
operation (where battery backup system included).
With the drive system disconnected from the mains, but with batteries fully
charged, operate the drive to travel to the bottom end-of-travel position. If it is
not possible to do this, the batteries must be replaced.
(where battery backup system included)
6 months
a)
Check
Regular visual checks for damage of all kinds
Regular checks of the protective conductor resistance and leakage currents
(by a specialist)
Regular functional checks of the auto diagnostic system
Regular checks of the battery backup system
The battery backup system must be checked once a month to ensure its
readiness for operation !
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