Channel readback error

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An error occurred during the internal readback verification process of a safety I/O channel. This suggests a problem with the module's internal diagnostic capabilities, or a discrepancy between the commanded state and the actual state of the output. This is a severity 3 error.

• The value read from a channel does not match the expected or commanded value.
• Sensor malfunction causing incorrect feedback.
• Actuator not responding correctly to commands.
• Internal processing error in the feedback loop.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check the wiring of the I/O module, especially for output channels, for proper load connection and absence of short circuits.

2. 2

   Restart the I/O module to clear any temporary internal errors.

3. 3

   If the error persists after verifying wiring and restart, replace the I/O module.