Fresenius Medical Care 5008, Service Manual

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Chapter 3: Specifications
3-4 Fresenius Medical Care 5008 SM 1/08.04
Service/diagnostics (Protected by cover!)
For inhouse computer diagnostics.
Port: DSUB 15-pin
24 V (Protected by cover!)
24 V connection (2 A fuse)
Port: Flanged socket, 4-pin
Alarm output For the connection of an external alarm indicator (nurse call). (Potential-
free alarm output. Alternating contact maximum 24 V/24 W).
Port: 5-pin diode plug via a shielded line; shield grounded on either side.
O
Override conditions
When overriding a safety system the responsibility for the patient’s
safety rests with the operator of the machine.
Audible alarm suppression Mute alarm time: maximum 2 minutes
(adjustable in the SETUP)
Alarm override After confirmation of the error message and start of the blood systems:
Arterial and venous pressure alarm for approx. 10 seconds (window
inactive)
Air detector alarm for approx. 2 seconds
Blood leak override Override time: maximum 2 minutes
Override air-bubble
detector Override time: after starting removal of air: approx. 4 seconds
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Operating programs
T1 test Automatic test for verification of the operating and safety systems.
The T1 test is mandatory,
– after power on (not following a power failure)
– after a cleaning program
Preparation Defined by the optical detector located below the venous bubble
catcher.
Preparation is terminated as soon as the optical detector senses
opaque fluid in the blood lines.
Priming and rinsing the
blood lines Minimum rinse volume 500 ml; automatic switching to rinsing, if level in
bubble catcher detected. Automatic raising of the fluid level during the
rinse phase.
Reinfusion Reinfusion volume adjustable in the SETUP.
Return to dialysis still possible.
Dialysis Bicarbonate dialysis
ISO-UF Ultrafiltration without dialysate flow (Bergström method)