145

Status code 143 or 144 has occurred more than three times

Fronius · Solar Energy

What does 145 mean?

This status code indicates that either an emergency power overload (143) or an emergency power short-circuit (144) has occurred more than three times. This points to a persistent issue with the emergency power circuit that requires attention.

Common Causes

  • Recurring emergency power overload (code 143)
  • Recurring emergency power short-circuit (code 144)

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the emergency power circuit thoroughly for recurring overload conditions or short-circuits, addressing the root cause of codes 143 or 144

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Verified technical data. Last updated: March 2026

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