144

Emergency power short-circuit

Fronius · Solar Energy

What does 144 mean?

A short-circuit has been detected in the emergency power circuit. This will interrupt emergency power mode and prevent its operation.

Common Causes

  • Short-circuit condition detected in the emergency power circuit
  • Damaged wiring or faulty components within the emergency power path

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the emergency power circuit for short-circuits in wiring or connected devices

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Verified technical data. Last updated: March 2026

Related Faults

Fronius Error 144: Emergency power short-circuit — Troubleshooting Guide | ErrorLib