AFCI (Arc Fault Circuit Interrupter) self-test error
Fronius · Primo GEN24
¿Qué significa 802 ?
The Fronius Primo GEN24 208-240 inverter's Arc Fault Circuit Interrupter (AFCI) has failed its internal self-test. This means the AFCI function, a critical safety feature, is not working correctly, and the inverter cannot operate safely.
Causas comunes
- AFCI self-test error.
- Faulty AFCI hardware.
- Internal communication issue.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Perform a full power cycle of the Fronius Primo GEN24 208-240 inverter by cycling both AC and DC disconnects, waiting, and then reapplying power. This might reset the AFCI module.
- 2
Ensure that the inverter's firmware is the latest version, as software updates can sometimes resolve internal diagnostic issues.
- 3
Check the inverter's event log for any other internal fault codes (e.g., 7xx series) that might indicate a broader internal communication or hardware problem affecting the AFCI.
- 4
Verify that there are no unusual external electrical disturbances or electromagnetic interference that could affect the AFCI self-test.
- 5
If the AFCI self-test continues to fail, this indicates a fault with the internal AFCI hardware; contact Fronius service for specialized diagnostics and potential replacement.