If the acquisition crash :  

In the acquisition terminal : 

    Type TK 

    Type KNA 

    Type KALL 

    Press enter 

    Type q and y 

    Close the terminal 

Open a new terminal : 

    Type ssh -X e748@lpcgrit 

    Type start_acq e755 

    Type RC 

Once the run control is on : 

    Go back in the terminal  

    Type NA 

Then in the run control : 

    Click mode and select monitoring mode 

    Click Init 

You should be able to do start once everything is : READY