Error BF

[ammine 19]

Hi
I have inverte SINAMICS GA120 XA with a alarm
Led BF blinking ... !!!?

Inverter and PLc communicate with MODBUS (rs485)


How to solve this problem ??

THANKS
https://zupimages.net/up/23/10/tqkx.jpg
https://zupimages.net/up/23/10/zlyw.jpeg

[georg_demmler]

Hello,

it will be nice, if we get more information, what you are doing before the BF is active. Did you something with the firmware?

So we look in a crystal ball and guess.

Thanks