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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

7619

Communication fault with meter unit

SMA · Sunny Boy Solar Inverter

What does 7619 mean?

The inverter is not receiving any data from the connected energy meter. This fault indicates a disruption in the communication link between the inverter and the meter, preventing accurate energy monitoring.

Common Causes

  • Incorrect integration of the energy meter into the network with the inverter.
  • Poor WLAN connection quality if using a wireless connection.
  • Inverter not connected to the DHCP server (router) via Ethernet if using a wired connection.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the energy meter is correctly integrated into the same network as the inverter (refer to energy meter manual).

  2. 2

    For WLAN connection: Improve WLAN connection quality (e.g. via WLAN repeater).

  3. 3

    For WLAN connection: Connect the inverter with the DHCP server (router) via Ethernet.

Browse all codes in this manual (23)
Verified technical data. Last updated: April 2026

Related Faults

101Grid fault10252[Interface]: communication disrupted10253[Interface]: connection speed goes to [100 Mbit / 10 Mbit]
Source: SMA Sunny Boy Solar Inverter
Open Manual (Page 72)Search more codes in this manual