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
Check the ventilation and ambient temperature of the SUN2000 installation position.
- 2
If the ventilation is poor or the ambient temperature exceeds the upper threshold, improve the ventilation and heat dissipation.
Verified technical data. Last updated: March 2026
Related Faults
Source: Huawei SUN2000 Solar Inverter