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ILF Internal Link Error fault in Schneider ATV950 drive

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Cause: Internal Link Error comes when communication interruption between option module and the drive. This means a problem in the communication between the drive's main control board and an installed option card.

"ILF" fault in Schneider ATV950 drive indicate an "Internal Link Error". This means a communication issue between internal components within the drive.

  1. Verify the environment "electromagnetic compatibility".
  2. Verify the connections.
  3. Replace the option module.
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