Device maintenance and repair
7.3 Removing and installing hardware
Operating Instructions, 01/2021, A5E43920357-AA
131
Procedure
1. Remove the filter pad from the fan cover.
2. Insert the new filter pad loosely into the fan cover. Place the filter mat evenly in the fan
cover.
3. Replace the fan cover.
See also
Maintenance intervals (Page 129)
7.3.1.3 Changing the front fan
Requirement
• You know the important safety instructions under "Safety instructions on device and
system extensions (Page 48)".
• An original spare part, that is a front fan of the same type. For information on
replacement parts, refer to "Hardware accessories (Page 35)".
Procedure
1. Fully disconnect the device from the line voltage, see "Switching off the device (Page 72)".
2. Remove the front fan cover. (Page 130)
3. Press the locks ① together and keep them pressed.
4. Lift the fan support slightly upwards and remove it to the front from the front of the
enclosure.
5. Put down the fan support with the openings facing down (fan is above).
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