Rockwell Automation Publication 5069-UM004A-EN-P - April 2019
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Application and Wiring Examples for Safety Modules
Appendix C
Wiring Faults on
Safety Modules
A number of conditions can cause wiring faults on safety modules. We strongly
recommend that you monitor your application to detect wiring faults as soon
as they appear so you can troubleshoot and remedy the cause of the fault.
Examples of wiring fault causes include the following:
• Field Power Loss condition
• No Load condition
• Wiring short to power
• Wiring short across outputs