What category of code requires an action to reset the fault?

What category of code requires an action to reset the fault?

• A. Alarm code
• B. Informational code
• C. Fault code
• D. Notification code

Answer: (C)

A fault code is used for conditions that stop normal operation and require an action to reset the fault before the system can resume. When a fault is detected—such as an overheat, a loss of essential signal, or a safety interlock—the control system typically locks out and displays a fault code. Clearing the fault usually involves addressing the underlying issue and performing a reset or fault-clearing action so the equipment can return to service. Alarm codes, on the other hand, are warnings that may require acknowledgement but not necessarily a reset to continue running. Informational codes convey status or historical data without indicating an actionable fault. Notification codes alert personnel to events or conditions but do not represent faults that halt operation.

A fault code is used for conditions that stop normal operation and require an action to reset the fault before the system can resume. When a fault is detected—such as an overheat, a loss of essential signal, or a safety interlock—the control system typically locks out and displays a fault code. Clearing the fault usually involves addressing the underlying issue and performing a reset or fault-clearing action so the equipment can return to service.

Alarm codes, on the other hand, are warnings that may require acknowledgement but not necessarily a reset to continue running. Informational codes convey status or historical data without indicating an actionable fault. Notification codes alert personnel to events or conditions but do not represent faults that halt operation.