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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.

2065

Upgrade Failed or Software Version Unmatch

Huawei · SUN2000 Solar Inverter

What does 2065 mean?

The firmware upgrade process did not complete normally, or there is a mismatch in software versions. This prevents the inverter from functioning correctly after an attempted upgrade.

Common Causes

  • The upgrade does not complete normally.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform an upgrade again.

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

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2001High String Input Voltage2002DC Arc Fault2003DC arc fault
Source: Huawei SUN2000 Solar Inverter
Open Manual (Page 72)Search more codes in this manual