Fresenius Medical Care 4008 E Technical Manual page 68

Hydraulics test (check of V91, V99, V100, V130)
in machines with BIBAG and without central delivery system
The following requirements must be fulfilled to run the hydraulics test:
1.The test is run during the last 3 minutes of the mandatory rinse program only.
2.DIP switch 7 DIP array 2 on PCB LP 631 must be set to ON.
Mandatory
no
rinse time
≤3 min
yes
Pressure reduction
by bic. pump
(performed 5x)
Pressure
no Rinse Failure F15
switch
Program stopped
open
yes
Pressure build-up
V91 open
V100 closed
Pressure
no
V91 Failure
switch
Program stopped
closed
yes
Pressure reduction
via V100
by conc. pump
(performed 8x)
Pressure
no
V100 Failure
switch
Program stopped
open
yes
Pressure build-up
V91/100 open
Pressure
no
Rinse Failure F16
switch
Program stopped
closed
yes
Pressure reduction
via V99
Pressure
no Error V99
switch
Program stopped
open
yes
Pressure build-up
V91 open
V100 closed
Pressure
no
Rinse Failure F17
switch
Program stopped
closed
yes
Pressure reduction
via V130
Pressure
no
V130 Failure
switch
Program stopped
open
yes
HPU
yes
(hydraulic
processing unit)
installed?
no
Test completed
Fresenius Medical Care 4008 4/08.03 (TM)
Pressure build-up
V91/100 open
Pressure
no
Rinse Failure F20
switch
Program stopped
closed
yes
Pressure build-up
via V188
no
Pressure Rinse Failure V188
switch Program stopped
open
yes
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