148 Maintenance and hardware diagnostics
Replacing the main cooling fans, IP21 and IP55 (UL Type 1 and UL
Type 12) frame 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 two mounting screws of the fan mounting plate.
3. Turn the mounting plate downwards.
4. Unplug the fan power supply wires from the drive.
5. Remove the fan mounting plate.
6. Remove the fans by removing the two mounting screws.
7. Install the new fans in reverse order.
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