ACS550-02/U2 User’s Manual
285
Maintenance
Maintenance
Safety
WARNING!
Read chapter
Safety
on page
5
before performing any maintenance on
the equipment. Ignoring the safety instructions can cause injury or death.
Note:
There are parts carrying dangerous voltages near the control board when the
drive is powered.
Note:
ACS550-U2
Installation Supplement
[3AUA0000004067 (English)] provides
more information about the maintenance of ACS550-U2 drives.
Maintenance intervals
If installed in an appropriate environment, the drive requires very little maintenance.
This table lists the routine maintenance intervals recommended by ABB.
Interval
Maintenance
Instruction
Every year when stored
Capacitor reforming
See
Reforming
on page
289
.
Every 6 to 12 months
(depending on the dustiness of
the environment)
Heatsink temperature check
and cleaning
See
Heatsink
on page
286.
Every 6 years
Cooling fan replacement
See
Fan
on page
286.
Every 9 to 10 years
Capacitor replacement
See
Capacitors
on page
289.
Every 10 years
Assistant Control Panel battery
replacement
See
Control panel
on page
291
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com