Process voltage too low

What does 11 mean?

The measured process voltage at the I/O module has fallen below the permissible lower limit. This suggests an undervoltage condition, which can cause connected sensors or actuators to operate unreliably or fail, compromising system safety.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Verify the wiring for any loose connections or excessive voltage drops.