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487
CAN transmit buffer is full
Fronius · Solar Energy
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The CAN (Controller Area Network) transmit buffer within the inverter is full, indicating a communication bottleneck or issue. This prevents the inverter from feeding energy into the grid.
Vanlige årsaker
- Excessive CAN bus traffic
- Communication fault on the CAN bus
- Software or hardware issue causing buffer overflow
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Perform an AC reset by switching the automatic circuit breaker off and on again
- 2
Update the inverter firmware
Verifisert teknisk data. Sist oppdatert: March 2026
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Kilde: Fronius Solar Energy