Maintenance and servicing
6.4 Replacing components
Cabinet Modules NEMA
254 Manual, 04/2014, A5E03586450A
Replacing the filter mats
Replacing the filter mats (for IP23 (NEMA1 filtered)/IP43/IP54 (NEMA12 ventilated))
The filter mats must be checked at regular intervals. If the mats are too dirty to allow the air
supply to flow normally, they must be replaced.
Note
Replacing the filter mats
If you do not replace dirty filter mats, this can cause a premature thermal shutdown of the
drive.
Ordering data are available in the spare parts lists.
● Disconnect the cabinet from the power supply (do not forget the external power supplies).
● Allow unimpeded access to the grill area of the doors.
Note
The cabinet must be disconnected from the power supply to prevent the fans from drawing in
contaminated external air. If an ext
ernal power supply for the fans is used, take the coasting-
down period of the fan into account or switch off the power supply.
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