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Froniuis displaySTATE 428

STATE 428

Possible hardware defect

Behaviors

The inverter will automatically attempt to connect again and, if possible, resume grid power feed operation

Status Code Class 4

Class 4 status codes (state codes that start with a four, i.e., 4xx), typically necessitate intervention by a Fronius-trained service technician.

STATE 428 applies to:

Primo

Primo

Symo

Symo

Solutions for this Error

Remedies

  • Run latest firmware update

Get Help with this Error:

The best point of contact is your original installer
If the orginal installer is no longer available, contact a local Fronius Service Provider

DENVER RESIDENTS: Is your system located in the Denver, CO metro area? CONTACT US

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