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What can cause an ENF [Encoder] Fault on an ATV340 series drive and how do I correct it?
Issue:
Customer is experiencing an ENF [Encoder] Fault on an ATV340 series drive.

Product line:
ATV340

Environment:
Encoder function is being used.

Cause:
Encoder feedback error.

Resolution:
 Verify the configuration parameters for the encoder used.
 Verify the mechanical and electrical operation of the encoder.
 Check the consistency between the encoder signals and the direction of rotation of the motor.
 If necessary, reverse the direction of rotation of the motor ([Output Ph rotation] PHr parameter)

Schneider Electric Belgium

What can cause an ENF [Encoder] Fault on an ATV340 series drive and how do I correct it?
Issue:
Customer is experiencing an ENF [Encoder] Fault on an ATV340 series drive.

Product line:
ATV340

Environment:
Encoder function is being used.

Cause:
Encoder feedback error.

Resolution:
 Verify the configuration parameters for the encoder used.
 Verify the mechanical and electrical operation of the encoder.
 Check the consistency between the encoder signals and the direction of rotation of the motor.
 If necessary, reverse the direction of rotation of the motor ([Output Ph rotation] PHr parameter)

Schneider Electric Belgium

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