16138
Process Voltage Too High
ABB · AC500 Function Block Libraries
What does 16138 mean?
This error indicates that the measured process voltage supplied to the safety I/O module or its channels exceeds the permissible operating limits. This overvoltage condition can damage the module or connected components if not addressed promptly, posing a risk to system integrity.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Check for any short circuits or misconfigurations in the power distribution that could lead to an elevated voltage at the module.
Source: ABB AC500 Function Block Libraries
View Official PDF