Fronius Symo Hybrid Inverter Code 143 — Emergency power overload

What does 143 mean?

The emergency power mode has been interrupted due to an overload condition. The inverter will attempt to restart emergency power mode up to three times. If unsuccessful, code 145 will be displayed.

• Excessive load on the emergency power circuit
• Short-circuit in the emergency power circuit
• Faulty emergency power components

Click steps to track your progress.

1. 1

   Reduce the load connected to the emergency power circuit.

2. 2

   Check the emergency power circuit for any visible short-circuits or damaged wiring.

3. 3

   If this status code keeps recurring, contact your system fitter for inspection and repair.