Cleaning the interior of the LCL filter
Clean the interior of the LCL filter in the same way as the heatsink in section Cleaning the
interior of the heatsink (page 155).
Fans
The lifespan of the cooling fans of the drive depends on the running time, ambient
temperature and dust concentration. See the firmware manual for the actual signal which
indicates the running time of the cooling fan. Reset the running time signal after fan
replacement.
Replacement fans are available from ABB. Do not use other than ABB specified spare parts.
￭ Replacing the auxiliary cooling fans of the drive module
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or death,
or damage to the equipment can occur.
Fan in the front panel:
1.
Stop the drive and do the steps in section Electrical safety precautions (page 18) before
you start the work.
2. Undo the mounting screw of the fan cassette.
3. Unplug the power supply cable of the fan.
4. Undo the mounting screws of the fan.
5. Install the new fan in reverse order. Make sure that the arrow in the fan points to the
drive module.
6. Reset the counter (if used) in group 5 in the primary control program.
156 Maintenance
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