Fresenius Medical Care 2008k Technical Manual page 160

Shock hazard. Refer servicing to qualified personnel.
Failure to install, operate and maintain this equipment according
to the manufacturer's instructions may cause patient or operator
injury or death.
Never perform maintenance when a patient is connected to the
machine. If possible, remove the machine from the treatment area
when it is being serviced. Label the machine to ensure it is not
accidentally returned to clinical use before the service work is
completed. Always fully test the machine when maintenance is
completed. Confirm dialysate conductivity and pH level before
returning the machine to clinical use.
Page ii
WARNINGS WARNINGS
WARNINGS WARNINGS
Fresenius 2008K Preventive Maintenance Procedures
P/N 507297 Rev. A