CodeRegistry
Brands
  1. Home
  2. SMA
  3. Sunny Boy Inverters
  4. Green LED flashing quickly
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Green LED flashing quickly

Green LED flashing quickly — Central processing unit update

SMA · Sunny Boy Inverters

What does Green LED flashing quickly mean?

The inverter's main internal software (central processing unit) is currently being updated. This is a normal process.

Common Causes

  • Ongoing software update for the inverter's central processing unit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Allow the update process to complete naturally. Do not interrupt power to the inverter.

  2. 2

    Check the inverter user interface or communication product for update status messages if available.

  3. 3

    Ensure the inverter remains connected to Sunny Portal for automatic updates if SMA Smart Connected is used.

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