Maintenance 103
For details on using the local control panel, see User’s Manual “ACS-AP-X assistant
control panels user’s manual”.
De-energizing the drive
1. Stop the drive following the instructions in Chapter Operation, Stopping the drive.
2. Set the local control panel to local control mode by pressing the Loc/Rem key (1)
3. Press the SUPPLY OFF pushbutton to disconnect the drive from the main power
supply. The following takes place:
• The MCB opens.
• The DC link discharges.
While the DC link discharges, the SUPPLY OFF pushbutton flashes.
• Wait 15 minutes until the DC link capacitors have discharged completely (the delay
time is triggered when the main power feeder is disconnected).
DANGER
Hazardous voltages!
For work in the medium voltage circuit of the drive the connection of grounding
equipment at the appropriate locations is a must. The grounding equipment ensures
that hazardous voltages cannot be fed into the drive neither from the main power supply
nor the motor.
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