EW/EG-N/EWB-e-1627 55Remarks:• Control of data output through “O0~O7” commands as well as setting upweighing scale’s functions, are actions that bring about similar effects.• Implementation of commands “O8 and O9" is connected with data input com-mands.• If any command from the “O0~O9” range has been carried out, then its statuswill remain active until the next command is inputted. If, however, the weighingscale is switched off, then the output data control system will return to its pre-vious setup.8.6 Feedback message after data transmissionis made up of 5 characters, CR=0DH, LF=0AH1 2 3 4 5A1 A2 A3 CR LFTypes of feedback messages:A1 A2 A3 Code DescriptionA 0 0 41H 30H 30H No errorsE 0 1 45H 30H 31H Error message9 Maintenance, upkeep, disposal9.1 CleaningPlease disconnect the device from the operating voltage before cleaning.Only use a cloth dampened with mild suds and not aggressive cleaning agents (sol-vents or similar). Please ensure that fluids are not able to get into the device and ruboff using a clean, soft cloth.Loose sample residue/powder can be removed carefully using a brush or hand vac-uum cleaner.Remove any spilt material to be weighed immediately.9.2 Maintenance, upkeepThe device may only be opened by trained service engineers authorised by KERN.Disconnect from the mains supply before opening.9.3 DisposalThe operating company shall dispose of the packaging and the device in compliancewith the valid national or regional law of the operating location.