Maintenance and hardware diagnostics 151
Replacing the auxiliary cooling fan, IP55 (UL Type 12) frame R3
WARNING! Obey the instructions in chapter Safety instructions on page 13.
Ignoring the instructions can cause physical injury or death, or damage to the
equipment.
1. Stop the drive and disconnect it from the power line. Wait for 5 minutes and then
make sure by measuring that there is no voltage. See section Precautions before
electrical work on page 16 before you start the work.
2. Remove the control panel: Press the retaining clip of the IP55 panel cover (2a)
and open the cover (2b). Press the retaining clip of the control panel at the top
(2c) and pull it forward from the top edge (2d).
3. Remove the front cover: Loosen the retaining screw with a screwdriver (3a) and
lift the cover from the bottom outwards (3b) and then up (3c).
4. Unplug the fan power supply wires from the drive.
5. Detach the fan cable from the holders.
6. Pull off the plastic housing.
7. Pull off the fan.
8. Install the new fan and hous6ing in reverse order.
Note: Make sure that the arrow on the fan points to the same direction as the
arrow on the plastic housing (down).
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