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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.

2064

Device Fault

Huawei · SUN2000 Solar Inverter

What does 2064 mean?

An unrecoverable fault has occurred on an internal circuit of the SUN2000. This indicates a critical internal hardware or software issue that prevents normal operation.

Common Causes

  • An unrecoverable fault has occurred on a circuit inside the SUN2000.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the AC output switch and DC input switch.

  2. 2

    Turn them on after 5 minutes.

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

Related Faults

2001High String Input Voltage2002DC Arc Fault2003DC arc fault
Source: Huawei SUN2000 Solar Inverter
Open Manual (Page 71)Search more codes in this manual