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13

Error 13 (Binary 1101) — Fieldbus configuration error

Fronius · Solar Inverters

What does 13 mean?

The Fronius Solar Inverter has detected an incorrect configuration within its fieldbus communication system. This is indicated by LEDs 1, 2, 4, 8, and the State LED all lighting up steady red, with LEDs 1, 4, and 8 specifically illuminated for the binary code.

Common Causes

  • Incorrect network settings
  • Address conflicts on the bus
  • Software configuration issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Observe the inverter for a few minutes to see if the error clears automatically.

  2. 2

    Verify all fieldbus configuration settings in the inverter's menu or associated software.

  3. 3

    If the error persists, contact a Fronius-trained service engineer to review the fieldbus configuration.

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

Related Faults

1Error 1 (Binary 0001) — Hardware fault10Error 10 (Binary 1010) — General fieldbus error102Fronius Symo Hybrid Inverter Code 102 — AC voltage too high
Source: Fronius Solar Inverters
Open Manual (Page 134)Search more codes in this manual