Table 24: 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 and 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 of the cabinet.
Do a check of the internal filter of the power unit.
24 months (The interval is different in different envi-
ronments.)
Clean the heatsink and the cooling tunnel.
6-10 years Replace the main fan.
Replace the internal fans if the drive has them.
Replace the fan power supply.
10 years Replace the battery of the RTC. The battery is optional.
This table is valid for VACON
®
components. To do maintenance on components that are
made by other manufacturers, obey the manual of the component in question.
7.7.2 REPLACING THE AIR FILTERS OF THE AC DRIVE
Clean or replace the filters of the cabinet regularly.
VACON · 92 COMMISSIONING AND ADDITIONAL INSTRUCTIONS
7
LOCAL CONTACTS: HTTP://DRIVES.DANFOSS.COM/DANFOSS-DRIVES/LOCAL-CONTACTS/
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