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What can cause CRF [Precharge Capacitor] fault on an ATV340 series drive?

Published date: 11 February 2019

Issue;
Customer is experiencing CRF fault on his ATV340 series drive.

Product Line:
ATV340

Environment:
All ATV340

Cause:
Charging circuit control detected error or charging resistor damaged.

Resolution:
 Turn off the drive, wait for the display to turn off, then wait 15 more seconds and turn on again.
 Verify the internal connections.
 Contact your local Schneider Electric representative

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