Maintenance and hardware diagnostics 153
Replacing the second auxiliary cooling fan, IP55 (UL Type 12)
frames R8…R9
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 front cover: Loosen the retaining screws (14 pieces) with a
screwdriver (2a) and lift the cover from the bottom outwards (2b) and then up (2c).
3. Remove the lower cover panel from the cover.
4. Unplug the fan power supply wires from the connector on the other side of the
IP55 (UL Type 12) front cover.
5. Remove the retaining screws (5a) and pull off the fan (5b).
6. Install the new fan in reverse order.
Note: Make sure that the arrow on the fan points up.
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