Fresenius Medical Care 4008 S Service Manual

Chapter 10: Servicing / repair
Fresenius Medical Care 4008 S (Version V10) SM-EN 7/01.13 10-51
10.10 Calibration and test steps after repair
Warning
A disinfection, a T1 test and a check of the electrical safety must be
performed after working on the hemodialysis device, irrespective of the
table below.
Replacement / repair Calibration steps, test steps
Printed circuit boards
Power supply unit
(power board, heater board)
Check voltages (calibration menu), calibrate temperature, perform
temperature test
P.C.B. LP 630 Motherboard Check jumpers (see P.C.B. LP 630 Motherboard page 11-54)
P.C.B. LP 1631 CPU 1 Set the DIP switches, install current software version, initialize
Novram, make setup settings or import data, calibrate, set time
LP 632 CPU 2; snap-hat battery Set DIP switches, import calibration data or make the necessary
calibrations
P.C.B. LP 633-5 Input board Calibrate blood pump rate, arterial and venous pressure, blood leak,
bibag
®
values (temperature and conductivity), TMP, temperature,
conductivity and OCM.
Check pressure transducer 1 and 2 (hydraulics).
Check all analog signals.
Check jumpers BR4 (see P.C.B. LP 633-5 layout I page 11-58).
P.C.B. LP 634 Output board Set DIP switches, set current increase, flows, pressures (hydraulics
unit), temperature, degassing pump, blood leak, dimness
P.C.B. LP 636 External connectors Jumper J1 must not be connected (see P.C.B. LP 636 External I/O
board page 11-61), check status indicator for proper functioning
P.C.B. LP 763 Multi-interface board Check DIP switches, check BPM (option)
Display, P.C.B. LP 922; MDC-II board;
backlighting, touch panel
Install current software in MDC-II and set the language version
(if MDC-II board was replaced), display test, key test
P.C.B. LP 950 for heparin pump Set hex switches (see Syringe type table page 11-26), calibrate Hall
sensors
P.C.B. LP 1131 Operation status
indicator (traffic light)
Check status indicator for proper functioning
P.C.B. LP 450-2 for air detector Set jumpers, calibrate air detector sections, optical detector, venous
pressure
(see P.C.B. LP 450-2 Air detector control (LD) page 11-50).
P.C.B. LP 624 Blood pump Set hex switches, calibrate arterial pressure, check line diameter,
blood pump rate, stroke rate / volume (SN)
P.C.B. LP 1628 Distributor Check bibag
®
switching states, check BPM (option) for proper
functioning
P.C.B. LP 941 HPU Calibrate PDial2, calibrate TMP

Fresenius Medical Care 4008 S Specifications

General

Brand	Fresenius Medical Care
Model	4008 S
Category	Medical Equipment
Language	English