KERN & SOHN CPB 30K5DM - Manual (Page 47)

14 Service, maintenance, disposal
14.1 Cleaning
Before cleaning, please disconnect the appliance from the operating voltage.
Please do not use aggressive cleaning agents (solvents or similar agents), but a
cloth dampened with mild soap suds. Ensure that no liquid penetrates into the device
and wipe with a dry soft cloth.
Loose residue sample/powder can be removed carefully with a brush or manual
vacuum cleaner.
Spilled weighing goods must be removed immediately.
14.2 Service, maintenance
The appliance may only be opened by trained service technicians who are
authorized by KERN.
Before opening, disconnect from power supply.
14.3 Disposal
Disposal of packaging and appliance must be carried out by operator according to
valid national or regional law of the location where the appliance is used.
14.4 Error messages
Error message Description
Err 4 Zero range exceeded
Err 5 Invalid entry
Err 6 Damaged electronics
Err 9
Weighing result unstable
Should other error messages occur, switch balance off and then on again. If the error
message remains inform manufacturer.
CPB-N / CPB-DM-BA-e-1424 48