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Green LED glowing

Green LED glowing — Feed-in operation

SMA · Sunny Boy Inverters

What does Green LED glowing mean?

The inverter is actively feeding power into the utility grid, operating at 90% or more of its capacity. This indicates normal operation.

Common Causes

  • Inverter operating at high power output
  • Sufficient solar power available for generation

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    No action is required, this indicates normal and efficient operation.

  2. 2

    Monitor your energy production via the Sunny Portal or inverter user interface.

  3. 3

    If you prefer, you can switch off the dynamic power display of the green LED via the inverter settings, so it will glow continuously when feeding in.

Browse all codes in this manual (70)
Verified technical data. Last updated: April 2026

Related Faults

!PV-Overvoltage!!PV-Overvoltage! !DISCONNECT DC! — Overvoltage at DC input10251Event 10251 — Communication status to network switch or DHCP server changed10252Event 10252 — Communication disrupted
Source: SMA Sunny Boy Inverters
Open Manual (Page 16)Search more codes in this manual