15
g)
Maintenance and Repairs
6 months
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!
At regular intervals carry out the inspections in accordance with the BGV A3. The inspections
must be performed by an electrical specialist.
The recommended inspection period 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. Check the function of the blocking
device as described on pages 12 to14.
to ensure its readiness for
operation (in as far as 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.
(in as far as battery backup system included)
!
!
!
!
!
!
by actuating the release
lever, as described on page 11.
Regular functional testing of the “Emergency Release”
