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6. MAINTENANCE
6.1. CARE
The SieiDrive - AVy inverters must be installed
according to the relevant installation regulations.
They do not require any particular maintenance. They
should not be cleaned with a wet or moist cloth. The
power supply must be switched off before cleaning.
6.2. SERVICE
The screws of all terminals on the device should be
re-tightened two weeks after initial commissioning.
This should be repeated each year.
If the drives have been stored for more than three
years, the capacitance of the intermediate circuit
capacitors may have been impaired. Before
commissioning these devices, it is advisable to
regenerate the capacitors by connecting them to the
voltage for two hours with the inverter disabled. After
these operations the device is ready to be installed
without limitations.
6.3. REPAIRS
Repairs of the device should only be carried out by
the specialist personnel (qualified by the manufac-
turer)
If you carry out a repair on your own, observe the
following points:
-
When ordering spare parts do not only state the
device type but also the device serial number
(nameplate). It is also useful to state the type of
the regulator card and the version of the operating
system (on Firmware & Card revision level
nameplate, see figure 3.1.3.2).
-
When exchanging cards ensure that the positions
of switches and jumpers are observed! This par-
ticularly applies to switch S3 on the regulation
card.
N
!
The manufacturer does not accept
OTE
any liability for any device parts
that are destroyed due to the in-
correct switch position of "switch
S3".
6.4. CUSTOMER SERVICE
For customer service, please contact your Gefran
office.
——— Maintenance ———
93
Ch.6
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