Honeywell SmartDrive Compact User Manual page 5

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4 Safety
If SmartDrive Compact is disconnected from mains while running
the motor, it remains live if the motor is energized by the process.
6
In this case the motor functions as a generator feeding energy to
the inverter.
After disconnecting the inverter from the mains, wait until the fan
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stops and the indicators on the display go out. Wait 5 more min-
utes before doing any work on power connections.
Honeywell