Abpf- 1.0.3 Approximately 24 Vdc Not Present - Fresenius Medical Care 2008K2 Troubleshooting Manual

Yes More than 23.0 volts DC seen! If (and ONLY if) the "Act Blood Pump Failed" reoccurred,
THREE (3) possible bad components (see Component List below). Swap in each component
in one at a time and, in between, see if the "Act Blood Pump Failed" reoccurs. Continue
through the list until "Act Blood Pump Failed" does not reoccur!
Component List: 1) Arterial Pump Ribbon cable; 2) Arterial Blood Pump Module;
3) Motherboard
No NEVER more than 23.0 volts seen! See procedure

ABPF- 1.0.3 APPROXIMATELY 24 VDC NOT PRESENT

To avoid damage turn the machine OFF!
a)
b) At the rear of the card cage,
Blood Pressure module.
c) Again TIGHTLY HOLD the red meter lead at the TEST Connector's
d) WITHOUT LOOKING AWAY from the meter, for thirty (30) seconds,
running)!
More than 23.0 volts DC (V
Yes More than 23.0 volts DC seen! One of the modules is causing the problem: Read parts A
through C before performing them! A) Turn the machine off and plug the one of the
modules in (your choice); B) Turn the machine on while measuring at the TEST Connector's
+24V-C
its cable is causing the problem.
No Never more than 23.0 volts! See procedure number
per the Figure below
) seen at ANY TIME (Yes or No)?
DC
pin; C) When more than 23.0 volts is again not seen the last module plugged in or
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
ABPF- 1.0.3 (page 662).
, unplug the MODULES ONLY including the
+24V-C
pin.
turn the machine on (fan
ABPF- 1.0.4 (page 663).
Page 662