Too many inverters in Essential Backup system
Fronius · Primo GEN24
What does 906 mean?
The Fronius Primo GEN24 208-240 inverter has detected that there are too many inverters configured or connected within the Essential Backup system. This can lead to instability or an inability to properly manage power in backup mode. The Essential Backup system typically supports a limited number of inverters.
Common Causes
- Too many inverters in Essential Backup system.
- Incorrect system configuration.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Review the system design and configuration documents to ensure that the number of inverters in the Essential Backup system does not exceed the specified maximum for the Fronius Primo GEN24 208-240.
- 2
Access the inverter's settings and verify the system configuration for Essential Backup mode, ensuring each inverter is correctly identified and configured.
- 3
If additional inverters were recently added, temporarily disconnect them to see if the fault clears, confirming an over-capacity issue.
- 4
Consult the Fronius Primo GEN24 208-240 manual for the exact limitations on the number of inverters allowed in an Essential Backup setup.
- 5
Reconfigure the system to either reduce the number of inverters in backup mode or re-design the system to be compliant with Fronius guidelines; contact Fronius support if complex system integration is needed.