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Battery not displayed on web interface

Fronius Solar Battery no longer displayed on web interface — Triangular view instead of square view

Fronius · Solar Inverters

What does Battery not displayed on web interface mean?

The Fronius Solar Battery's graphical representation on the web interface is incorrect or missing (shown as a triangular view instead of a square view). This indicates a communication error or the battery being switched off.

Common Causes

  • Battery is switched off
  • Communication error between inverter and battery
  • Web interface display glitch

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check whether the battery is switched on.

  2. 2

    If the battery is not on, switch it on. If it is already on, disconnect the inverter on the DC side.

  3. 3

    Isolate the inverter from the grid on the AC side. Wait 5 minutes and then reconnect the inverter on both the DC and AC sides. If the issue persists, notify Customer Services.

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