Hardware Manual

Table Of Contents
140 Maintenance
Replacing the main cooling fans of frame R9
WARNING! Obey the safety instructions, page 14. Ignoring the instructions
can cause physical injury or death, or damage to the equipment.
1. Disconnect the drive from the power line. Lock the main disconnecting device and
ensure by measuring that there is no voltage.
2. Undo the two mounting screws of the fan mounting plate (view from drive bottom
below).
3. Turn the mounting plate downwards.
4. Disconnect the fan power supply wires.
5. Remove the fan mounting plate.
6. Remove the fan by undoing the two mounting screws.
7. Install the new fan in reverse order. Make sure that the fan blows upwards.
8. Reset the counter in group 5 in the primary control program.
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