Cablecatty

HIYA ALL.W204 C220 2009.HAVING PROBLEMS WITH NTG4 COMAND SYSTEM.WHEN I OPEN ANY FRONT DOORS IT GOES OFF AND BACK ON AGAIN.HAVE RESET COMAND SYSTEM STILL PROBLEM.HAVE VIDEO IN MOTION FITTED.THOUGHT IT WAS THAT BUT DISCONECTED,BUT STILL SAME ISSUE.ITS OK IF I OPEN AND CLOSE REAR DOORS.JUST FRONT DOORS.I HAVE FOUND THE FAULT NOW IN CASE SOMEONE ELSE HAS SAME ISSUE.GO INTO ENGEERING MODE,GO DOWN TO HU SETTINGS.NO7.THEN GO TO 7.5 PERIMITER SETTINGS.GO TO MOST.THIS SHOULD BE OFF NOT ON.ONLY ON IF EXTERNAL AMP BEING USED.THEN COME OUT OF ENGEERING MODE.SWITCH OFF IGNITION.THEN BACK ON,COMAND WILL RESET.THATS IT