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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

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

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

1Hardware fault102AC voltage too high103AC voltage too low
Source: Fronius Solar Energy
Open Manual (Page 124)Search more codes in this manual