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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.

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: April 2026

Related Faults

2001High string input voltage2002DC arc fault2003DC arc fault
Source: Huawei SUN2000-(3KTL-10KTL)-M1 Solar Inverter
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