Fresenius Medical Care 4008 E Technical Manual page 39

Negative pressure holding test
Test description:
Within a specific time period, the actual value of the dialysate pressure transducer should change
within certain limits only.
Illustration:
LP 632
CPU 2
X632/B27
X631/A20
LP 631
CPU 1
LP 635
(4008 E)
LP 924
(4008 H)
1-32
Fresenius Medical Care 4008 4/08.03 (TM)
X632/A19
X632/B22
X632/C27
X632/A29
X632/B28
X631/A21
LP 630
Mother
board
LP 649
(4008 B)
Display
board
LP 922
(4008 S)
Testgenerierung/Generation of Test
Rueckmeldung/Acknowledgement
ACKN_ASP
CI
UF_P_CTL
P_DIAL
X633L/B6
LP 633
Input
board
X633R/C28
DATA BUS
X634R/A24 X634R/A23
LP 634
Output
X634L/B10
board
X634R/A24