25Problem Cause and Recommended Action Reference PagesPower cord sheathing isdamaged.• The power cord is damaged. Continued use creates the risk ofelectric shock and fire. Immediately unplug the power plug andcontact a qualified service person or system installer for servicing.Power cord becomeshot during operation.Power cord becomeswarm or hot when it isbent or stretched duringuse. Periodically check the power cord.Camera position isdifferent from thepreset position setting. • Perform REFRESH from the special setup menu. OperatingInstructionsPicture is different fromthe position setting.• Adjust the picture using the preset menu and ascene file.OperatingInstructionsUpper part of the pictureis black when thecamera is in a horizontalorientation.• This is caused by the camera's internal cover. Itdoes not indicate malfunction.OperatingInstructionsCamera suddenly startsto pan by itself.• If the cleaning function is turned on, this is normaldoes not indicate malfunction. Check theCLEANING settings.OperatingInstructions• If the cleaning function is not turned on, thissymptom could be due to noise. 7, 9OperatingInstructionsThe camera movementmodes (OFF, SEQ,SORT, AUTOPAN,PATROL, AUTOTRACK)setting changes.• Check the self return function.