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
Check the emergency power circuit for short-circuits in wiring or connected devices
Verified technical data. Last updated: March 2026
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Source: Fronius Solar Energy