Fronius Symo Hybrid Inverter Code 144 — Emergency power short-circuit

What does 144 mean?

A short-circuit has been detected in the emergency power circuit, interrupting its operation. The inverter will attempt to restart emergency power mode up to three times. If unsuccessful, code 145 will be displayed.

• Short-circuit in the emergency power wiring
• Faulty device connected to emergency power
• Damage to emergency power components

Click steps to track your progress.

1. 1

   Disconnect all loads from the emergency power circuit and re-test.

2. 2

   Inspect the emergency power circuit wiring for any signs of damage or loose connections.

3. 3

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