2063

Overtemperature

Huawei · SUN2000 Solar Inverter

What does 2063 mean?

The SUN2000 is operating at an excessively high temperature, potentially due to poor ventilation at the installation site, high ambient temperature, or an internal malfunction. This can lead to reduced performance or damage.

Common Causes

  • The SUN2000 is installed in a place with poor ventilation.
  • The ambient temperature is too high.
  • The SUN2000 is not working properly.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the ventilation and ambient temperature of the SUN2000 installation position.

  2. 2

    If the ventilation is poor or the ambient temperature exceeds the upper threshold, improve the ventilation and heat dissipation.

Browse all codes in this manual (33)
Verified technical data. Last updated: March 2026

Related Faults

Source: Huawei SUN2000 Solar Inverter
Huawei Error 2063: Overtemperature — Troubleshooting Guide | ErrorLib