F- 9.0.24 Isolate Flow Pump Input Flow; F- 9.0.25 Input Flow Pump More Than 800 Ml - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 9.0.24 ISOLATE FLOW PUMP INPUT FLOW

a) Obtain a 1000 ml (or larger) graduated cylinder!
Service Mode's Flow Pressure is used to isolate the Flow Pump's input circuit!
b)
DO NOT follow the screen instructions! Perform no adjustments until instructed!
c) Enter Service Mode → Calibrate Hydraulics → Flow Pressure.
d) Press 'CONFIRM' THEN ENSURE the FLOW MOTOR
shaft is rotating!
NOTE
e) the gauge reading for later.
f) Figure right, remove the Flow Pump's INPUT (clear)
tubing and measure flow from it for one (1) minute.
g) Press CONFIRM to return to "Calibrate Hydraulics".
h) Reattach the Flow Pump's tubing!
i) TWO (2) possible scenarios:
1) IF (and ONLY if) MORE THAN 800 ml collected! See procedure number
2) IF LESS THAN 800 ml collected! Proceed to

F- 9.0.25 INPUT FLOW PUMP MORE THAN 800 ML

Remove the clamps from Valve #43!
a)
b) As noted above, was pressure between 35 and 36 psi?
Yes Between 35 and 36 psi! Good static pressure but NOT dynamic! TWO (2) possible bad
components: 1) Flow Pump head OR; 2) Flow Pump motor (possibly brushes).
No Less than 35 psi! See procedure number
page 97
F- 9.0.26
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
F- 9.0.25
, procedure number F-
(page 95).
(page 94).
9.0.4.
Page 94