LEDs "BSP" and "BUS" for diagnostics

 

LED

Color

Flashing frequency

Meaning/Mode

BSP

Red/Green

1 s red / 1 s green

BSP upgrade mode

Green

Steady "on"

BSP running and communication with controller

Orange

Steady "on"

BSP running, but no communication with controller

Red

Flashing at 2 Hz

BSP error (Software error)

Red

Steady "on"

Hardware fault

 

BUS

Green

Steady "on"

  • M-bus running and communication ok

Red

Steady "on"

  • No M-Bus device is running

Orange

Steady "on"

  • At least one M-Bus device is not running

 

If both LEDs stay dark: Power supply is outside the allowed range!