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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.

775

PMC power stage set not available

Fronius · Solar Energy

What does 775 mean?

The PMC (Power Management Controller) power stage set is not available, resulting in a warning message on the display.

Common Causes

  • Communication loss with the power stage set
  • Power stage set hardware malfunction
  • Incorrect configuration

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press the 'Enter' key on the display to acknowledge the error

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 130)Search more codes in this manual