9 Maintenance
9.1 Maintenance Schedule
To make sure that the drive operates correctly and has a long life, we recommend doing regular maintenance. Refer to the table for
maintenance intervals.
It is not necessary to replace the main capacitors of the drive, because they are thin film type capacitors.
Table 22: Maintenance Intervals and Tasks
Maintenance interval Maintenance task
Regularly Check the tightening torques of the terminals.
Check the filters.
6–24 months (The interval is different in dif-
ferent environments.)
Check the mains terminals, the motor 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.
Check the door filters, if you have a cabinet installation.
24 months (The interval is different in differ-
ent environments.)
Clean the heat sink and the cooling channel.
3–6 years In IP54, change the internal fan.
6–10 years Change the main fan.
10 years Replace the battery of the RTC.
Maintenance
Operating Guide | VACON® 100 Wall-mounted Drives
AQ298036140958en-000101 / DPD01711| 95
Danfoss A/S © 2019.05
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