InterruptCheck fail

What does 316 mean?

This code indicates a failure during an internal interrupt check. This suggests a critical error in the inverter's control or processing system, leading to a short-term interruption in operation before it attempts to resume startup.

• Internal hardware or software malfunction affecting interrupt handling.
• Transient electromagnetic interference causing a system glitch.
• Degradation of internal processor or memory components.

Click steps to track your progress.

1. 1

   If the status code is displayed continuously, notify a Fronius-trained service engineer for diagnosis.

2. 2

   Perform an AC reset by cycling the automatic circuit breaker to reboot the inverter and clear transient states.

3. 3

   Check for stable DC and AC power supplies to the inverter's control board.