Fresenius Medical Care 2008K Troubleshooting Manual page 45

c) Referring to Figure 21
WHITE tubing.
d) Place the machine into Rinse program. Assure no leaks at the gauge!
e) Pressure should fluctuate between a minimum and a maximum. The maximum depends on if the
machine is DiaSafe
f) Call debug screen 0. Allow valve #43's dot to turn blue (see Figure right). When
the dot turns white again watch the gauge for one minute.
g) Does pressure consistently reach its maximum pressure per
Yes See procedure number
No See procedure number
F- 9.0.1 CHECK FLOW PUMP RELIEF VALVES #78
This is not a routine calibration. Follow the procedure below to avoid error!
a) Enter Service Mode
b) Press the 'CONFIRM' key to start the flow pump. Assure its motor shaft is running counterclockwise!
c) Without adjusting valve #78, is pressure reaching
Yes Two possibilities: 1) Bad flow pump head (#21); 2) Bad flow pump motor (possibly bad brushes).
No See procedure number
(page 43) tee a pressure gauge between the flow pump's OUTPUT nozzle and the
®
filter equipped.
F- 9.0.4
F- 9.0.1
Table L – Flow Pump Pressure
DiaSafe Filter?
Yes
No
Figure 21 - Hydraulics (Rear View)
Calibrate Hydraulics
F- 9.0.2 (page 44).
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 1 – Flow Errors In Dialysis Program
Table L
(page 44).
(page 43).
Maximum Pressure
35 – 36 psi
29 – 30 psi
Flow Pressure.
Table L's (page 43) maximum?
(page 43)?
Page 43