Are there no lights showing after pushing the button? This could indicate the battery is completely empty and needs to be charged. Please charge the battery for a couple of hours to see if the button lights are coming on. Make sure to double-check the connection points to see if all plugs are inserted correctly. No lights showing after pushing the button and a couple of hours of charging? This could be a charger problem. 

If the charger is functioning correctly and the issue is still occurring, please contact Customer Care on +31 (0) 20 2611433 or via email at [email protected].