Main Fan Replacement; Capacitors - ABB ACS550-01 User Manual

ACS550 User's Manual
Fan failure can be predicted by the increasing noise from fan bearings and the
gradual rise in the heatsink temperature in spite of heatsink cleaning. If the drive is
operated in a critical part of a process, fan replacement is recommended once these
symptoms start appearing. Replacement fans are available from ABB. Do not use
other than ABB specified spare parts.
Main Fan Replacement (Frame Size R1
To replace the fan:
1. Remove power from drive.
2. Remove drive cover.
3. Press together the retaining clips on the fan
cover and lift.
4. Disconnect the fan cable.
5. Install the fan in reverse order.
6. Restore power.
Main Fan Replacement (Frame Size R5 and R6)
To replace the fan:
1. Remove power from drive.
2. Remove the screws attaching the fan.
3. Disconnect the fan cable.
4. Install the fan in reverse order.
5. Restore power.

Capacitors

The drive intermediate circuit employs several
electrolytic capacitors. Their life span is from
35,000
loading and ambient temperature. Capacitor
life can be prolonged by lowering the ambient
temperature.
It is not possible to predict a capacitor failure.
Capacitor failure is usually followed by a input
power fuse failure or a fault trip. Contact ABB
if capacitor failure is suspected. Replacements for frame size R5 and R6 are
available from ABB. Do not use other than ABB specified spare parts.
90,000 hours depending on drive
...
R4)
...
4
2
Bottom View (R5)
2
Bottom View (R6)
2
3
X0021
3
X0023
X0022
Maintenance
125
3
3