Fronius Symo Hybrid Inverter Code 145 — Emergency power failure (Codes 143 or 144 occurred more than three times)

What does 145 mean?

This status code indicates that either an emergency power overload (143) or a short-circuit (144) has occurred more than three times, preventing stable emergency power operation.

• Persistent overload on emergency power circuit
• Recurring short-circuit in emergency power system
• Underlying fault with emergency power components

Click steps to track your progress.

1. 1

   Review the emergency power circuit for recurring issues that caused codes 143 or 144.

2. 2

   Disconnect non-essential loads from the emergency power circuit.

3. 3

   Contact your system fitter immediately to identify and resolve the persistent emergency power fault.