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CAUTION!
PROTECT 1. must be disconnected from the
power supply prior to carrying out the following
work.
If large quantities of dust have accumulated, the unit should,
as a precaution, be cleaned with dry compressed air, in order
to ensure adequate heat dissipation.
The intervals at which visual checks should be performed are
largely determined by the site conditions.
10.2.2 Checking the Battery
Progressive ageing of the battery system can be detected by
regular capacity checks. Every 6 months, perform
measurements to compare the achievable standby times, e.g.
by simulating a mains failure. In this case, the load should
always have approximately the same capacity demand.
Please contact our hotline if the time drops drastically
compared to the previous measurement (see p. 4).
10.2.3 Fan Check
Regularly check the fans for dust build-up and noticeably
untypical noise development. Blocked intake openings must
be cleaned. In the case of unusually loud or uneven running,
please contact our hotline (see p. 4).