Growatt Error Codes & Faults

Fault and warning codes recorded for Growatt devices, with meanings, severity and safe troubleshooting steps.

Popular Growatt error codes

Fault 03Moderate

Growatt

Meaning pending official confirmation

September 2026View

Fault 04Moderate

Growatt

Meaning pending official confirmation

September 2026View

Fault 05Moderate

Growatt

Meaning pending official confirmation

September 2026View

Fault 06Moderate

Growatt

Meaning pending official confirmation

September 2026View

Fault 08Moderate

Growatt

Meaning pending official confirmation

September 2026View

Fault 09Moderate

Growatt

Meaning pending official confirmation

September 2026View

Warning 01Moderate

Growatt

Meaning pending official confirmation

September 2026View

Warning 20Moderate

Growatt

Meaning pending official confirmation

September 2026View

All Growatt fault codes

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8 codes shown

All Growatt fault codes
Code	Meaning	Product family	Severity	Last verified
Fault 03	Meaning pending official confirmation		Moderate	September 2026
Fault 04	Meaning pending official confirmation		Moderate	September 2026
Fault 05	Meaning pending official confirmation		Moderate	September 2026
Fault 06	Meaning pending official confirmation		Moderate	September 2026
Fault 08	Meaning pending official confirmation		Moderate	September 2026
Fault 09	Meaning pending official confirmation		Moderate	September 2026
Warning 01	Meaning pending official confirmation		Moderate	September 2026
Warning 20	Meaning pending official confirmation		Moderate	September 2026