10252

[Interface]: communication disrupted

SMA · Sunny Boy Solar Inverter

What does 10252 mean?

There is no valid signal detected on the network line connected to the inverter's interface. This indicates a complete loss of network connectivity, preventing data exchange with other devices.

Common Causes

  • Damaged Ethernet network cable.
  • Damaged network connector.
  • Incorrectly plugged network connectors.
  • DHCP server (router) or network switches not operating correctly.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure that the Ethernet network cable and network connector are not damaged.

  2. 2

    Verify that the network connectors are correctly plugged into their respective ports.

  3. 3

    Ensure the DHCP server (router) and any network switches are signaling correct operation.

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

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Source: SMA Sunny Boy Solar Inverter