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Froniuis displaySTATE 489

STATE 489

Permanent overvoltage at intermediate circuit capacitor

Behaviors

status code 479 appears 5x one after the other

Inverter does not feed current into the grid

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 489 applies to:

Primo

Primo

Symo

Symo

Solutions for this Error

Remedies

  • Check DC cables at the inverter and ensure DC disconnects are in the ON position. Measure DC voltage, polarity, and isolation at the inverter clamps (Qualified Techs only).
  • If this issue persists, the next steps include inspecting internal inverter components and their cabling by a trained Fronius Service Provider to further diagnose this specific issue. Defective components or the device itself may need to be replaced.

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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