Konica Minolta bizhub C450 Touch Panel Genuine "116 353" Questions

...and 116 353 i repalced hdd but not solve .my customer conect 5v whit 24v in door interL help me for this code 116-353 the hard drive faulty change once good luck you need to lookup for ide 40g

...116-353 and the machine is asking to switch it off On the back side of copier there is a door/hatch. Udet the hatch there is the processor board with DDR DIMM memory. Pull it out and put back again. ...