What causes Fronius error 601?

Excessive CAN bus traffic. Communication fault on the CAN bus. Software or hardware issue causing buffer overflow

How do you fix Fronius fault code 601?

1. Update the inverter firmware

601

CAN bus is full

Fronius · Solar Energy

What does 601 mean?

The CAN (Controller Area Network) bus transmit buffer is full, indicating a communication issue within the inverter. This prevents the inverter from feeding any energy into the grid.

Common Causes

Excessive CAN bus traffic
Communication fault on the CAN bus
Software or hardware issue causing buffer overflow

CAN bus is full

What does 601 mean?

Common Causes

CAN bus is full

What does 601 mean?

Common Causes

Repair Steps & Checklist

Related Faults