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Yellow LED solid (Network)

Solid yellow LED (Network) - Network connection not configured

Fronius · Primo GEN24 Inverters

What does Yellow LED solid (Network) mean?

A solid yellow light on the communication LED means the inverter's network connection has not been configured. This prevents communication with apps like Fronius Solar.start or Solar.web.

Common Causes

  • Initial setup of network connection not completed
  • Network settings lost or reset
  • No active Wi-Fi or Ethernet connection established

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Open the Fronius Solar.start app and follow the steps to establish the network connection.

  2. 2

    Ensure your Wi-Fi router is on and within range, or the Ethernet cable is securely connected.

  3. 3

    If previously configured, try restarting your Wi-Fi router and the inverter.

Browse all codes in this manual (17)
Verified technical data. Last updated: April 2026

Related Faults

1030Status Code 1030 - WSD Open (flashing red LED)1083Status Code 1083 - Insulation warning1173Status Code 1173 - ArcContinuousFault (flashing red LED)
Source: Fronius Primo GEN24 Inverters
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