hi i have a gunite with DPF, currently the indicator light for the recycling of the dpf is flashing, + the red indicator of the engine is on and i can't initiate the regeneration, parked or running. the orange led code failure is not on, but the display in the middle of dash indicta a active code S231 M144 02Fmi and the is an inactive code P326 M128 11FMI. DPF was changed for a new one, seems to be not clogged anyone have an idea to help is welcome in th shop manual they spoke about coolant and oïl level, they are OK thanks for help
