ABB ACS2000 AFE 2MVA, User Manual

Page: 167 / 181

167 ACS2000 AFE 2MVA UM 3BHS355653 ZAB E01 REV. H
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10.6 Corrective maintenance
The following section describes how to de-energize the drive using the
local operator panel of the drive.
10.6.1 Overview on maintenance tasks
• Visual checks on the drive .
• Cleaning
• Checking wire and cable connections
• Replacing the filter mats .
• Replacing a phase module .
• Replacing a fan .
10.6.2 Safety
10.6.3 De-energizing the drive locally
If the drive is controlled from remote, follow the
established shutdown procedures.
Stopping the motor
1. Check that the CDP control panel is connected
to the INU.
2. Enable the local control mode of the CDP con-
trol panel.
For further information, see 9.9 Local and
remote control .
3. Stop the motor.
When the motor has reached zero speed, the display shows
ReadyRun .
De-energizing the drive
4. To disconnect the drive from the main power
supply, press the SUPPLY OFF pushbutton. The
following takes place:
- The MCB opens.
DANGER
!
Hazardous voltages!
Before starting to work on the drive, make sure
that:
• the main and auxiliary power supply to the drive
is switched off, locked out, and tagged out,
• the drive is dead,
• safety ground connections are in place,
• personal protective equipment is provided and
used when required,
• everyone involved is informed.
Before energizing the drive again, make sure that:
• all foreign objects are removed from the drive,
• all internal and external covers are securely
fastened and all doors are closed, locked and /
or bolted.
• the manual release of the safety switches are in
the locked position.
DANGER
!
Hazardous voltages!
When a phase module is removed from the cabinet,
the grounding path between grounding switch and
PE ground busbar is interrupted.
For this reason, connect grounding equipment at
the appropriate locations. The grounding
equipment ensures that hazardous voltages
cannot be fed into the drive from the main power
supply or the motor.
NOTICE
Foreign matter and particularly metallic dust can
cause failure and damage when the drive is ener
-
gized.
Ensure that foreign matter cannot enter the
cabinet:
• Close the doors and cover openings completely
when work is discontinued.
• Retrieve any foreign matter which accidentally
dropped into the cabinet.
1 L ->
600.0 rpm 0
StateINU
ReadyRun
MOTOR SP 0.00 rpm
POWER
0.0 kW