2063

Cabinet overtemperature

Huawei · SUN2000-(3KTL-10KTL)-M1 Solar Inverter

What does 2063 mean?

The SUN2000's cabinet temperature exceeds the upper threshold due to poor ventilation, high ambient temperature, or an internal operational issue. This can lead to reduced performance and equipment damage.

Common Causes

  • The SUN2000 is installed in a place with poor ventilation.
  • The ambient temperature exceeds the upper threshold.
  • The SUN2000 is not operating properly.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

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

  2. 2

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

Browse all codes in this manual (24)
Verified technical data. Last updated: March 2026

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Source: Huawei SUN2000-(3KTL-10KTL)-M1 Solar Inverter