Can anyone please help with this fault - machine has fault 28 - ( steer sensor KO - we have changed the sensor but are unable to "reset" - we have a programmer for the AC2 control units fitted but don't have access to steer table - we have noticed a control unit mounted under floor plate - no 2833010 is this for steering or the DC-DC converter ? all help gratefully received - please email - service at mantonhire dot com thank you all