STATE 439STATE 439
Switches between SLAVE DC LOW or SLAVE POWER LOW
The MPP master power stage set is switched off because of an error in a slave power stage set (in the balance mode).
Behaviors
The inverter stops feeding power into the grid, the display
shows a critical error via a red Operating Status LED.
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 439 applies to:
IG Plus
CL
Solutions for this Error
Remedies
- Check PS for further codes
- 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.
- Inverter Power Stage 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
