Fresenius Medical Care 4008 E Technical Manual page 193

Part 14.1: Dialysate pressure
DIALYSATE Pressure
adj.zero.: + XXX mmHg
Open the dialysate circuit.
Flow off / UF off.
The dialysate pressure
approaches "0".
Set "0" mmHg on the display
by pressing the
adj.zero.: ± 0 mmHg
Close the
dialysate circuit.
Switch on the flow.
Switch on the UF pump by
pressing the UF I/O key.
Leave the UF pump running
until approx. –500 mmHg are
indicated by the external
reference instrument.
Switch off the flow.
Use the potentiometer P3/LP 633 to set
the value indicated by the external reference
instrument on the alphanumeric display.
the procedure
until 0 and –500
mmHg correspond
to the external
comparison
instrument.
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Fresenius Medical Care 4008 4/08.03 (TM)
Confirm
key
Select
(Esc)
key
(+/–) keys.
Repeat
not
OK
OK
Open the
dialysate circuit.
Override
(Tone Mute)
key
ACKNOWLEDGED
approx. 3 sec
Switch on the flow.
dia.gain.: – 500 mmHg
Close the
dialysate circuit.
Switch on the UF pump
by pressing the UF I/O key.
Leave the UF pump running,
until approx. 500 mmHg are
indicated by the external
reference instrument.
Switch off the flow.
Enter the value indicated by the
external reference instrument
by pressing the (+/–) keys.
Override
(Tone Mute)
key
OPEN SYSTEM
Open the dialysate circuit.
After the system has recognized
that the circuit is open, the flow
is switched on automatically.
Wait for OVERRID.LED
The Override LED is flashing.
Override
(Tone Mute)
key
DATA STORED
approx. 3 sec