106 Maintenance
Replacing the circuit board compartment cooling fan
WARNING! Obey the instructions in chapter Safety instructions. If you
ignore them, injury or death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section Precautions before electrical work on page
16 before you start the work.
2. Remove the drive module out of the cabinet as described in section Replacing the
drive module on page 108.
3. Undo the fastening screw of the fan enclosure.
4. Unplug the power supply cable of the fan.
5. Install the new fan in reverse order.