It is not necessary to replace the main capacitors of the drive, because they are a thin film
type capacitors.
Table 33: The maintenance intervals and tasks
Maintenance interval Maintenance task
Regularly
Do a check of the tightening torques of the terminals.
Do a check of the filters.
6-24 months (The interval is different in different envi-
ronments.)
Do a check of the mains cable terminals, the motor
cable terminals and the control terminals.
Make sure that the cooling fan operates correctly.
Make sure that there is no corrosion on the terminals,
the busbars or other surfaces.
Do a check of the door filters, if you have a cabinet
installation.
24 months (The interval is different in different envi-
ronments.)
Clean the heatsink and the cooling tunnel.
3-6 years
In IP54, change the internal fan.
6-10 years
Change the main fan.
10 years
Replace the battery of the RTC.
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