Capacitors
The intermediate DC circuit of the drive contains several electrolytic capacitors.
Operating time, load, and surrounding air temperature have an effect on the life
of the capacitors. Capacitor life can be extended by decreasing the surrounding
air temperature.
Capacitor failure is usually followed by damage to the unit and an input cable fuse
failure, or a fault trip. If you think that any capacitors in the drive have failed,
contact ABB.
■
Reforming the capacitors
The capacitors must be reformed if the drive has not been powered (either in
storage or unused) for a year or more. The manufacturing date is on the type
designation label. For information on reforming the capacitors, refer to
reforming instructions (3BFE64059629 [English])
.
Control panel
See
ACS-AP-I, -S, -W and ACH-AP-H, -W Assistant control panels user’s manual
.
For removing the control panel from the drive, see
.
Drive LEDs
There is a green POWER and a red FAULT LED visible when the control panel is
removed. If a control panel is attached to the drive, switch to remote control
otherwise a fault will be generated, and then remove the panel to be able to see
the LEDs. See the firmware manual on how to switch to remote control.
The table below describes the drive LED indications.
Maintenance 167
Summary of Contents for ACH580-31
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