3

Cross-circuit in Sensor Circuit 1

Phoenix Contact · ib il safe 2-eco

What does 3 mean?

A cross-circuit has been detected in sensor circuit 1, indicated by active cross-circuit detection. This condition occurs while sensor circuit 2 is active, the reset/start circuit is activated, and the segment circuit is open. This type of error can compromise the functional safety of the device by providing incorrect sensor input information.

Common Causes

  • Cross-circuit detected within sensor circuit 1

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Switch off the operating voltage to the device

  2. 2

    Identify and physically remove the cross-circuit in sensor circuit 1

  3. 3

    Perform a function test to verify correct device operation

Browse all codes in this manual (8)
Verified technical data. Last updated: March 2026

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Source: Phoenix Contact ib il safe 2-eco