Fresenius Medical Care 2008K Troubleshooting Manual page 38

F- 7.0.6 CHECK FLOW PUMP #21 INPUT FLOW
a) Clamp valves #26's tubing and reattach it.
b) The "Select Program" screen MUST still be up!
c) Valve #37 MUST remain plugged into valve 30's distribution board position ("V30")!
d) Referring to Figure 17
into the cylinder.
e) Remove the clamp from valve #26 and measure flow from the tubing for 30 seconds. 400 ml or greater?
Yes See procedure number
No See procedure number
F- 7.0.7 CHECK VALVE #26
a) Return valves #30 and #37 to the distribution board.
b) Referring to Figure 17
Yes The actuator board okay. Replace valve #26.
No NOTE that VALVES #26 (ONLY) will be checked and proceed to page 78,
TROUBLESHOOTING
F- 7.0.8 CHECK VALVE #25
NOTE! It is possible that after repairing a problem related to valve #25 that a Flow Error will still be present.
There may be two malfunctions:
a) Return valves #30 and #37 to the distribution board.
b) Referring to Figure 24
restriction is found this may be the problem!
c) Referring to Figure 17
Yes The actuator board is okay. Replace valve #25.
No NOTE that VALVES #25 (ONLY) will be checked and proceed to page 78,
TROUBLESHOOTING
(page 36), remove the clear tubing from the INPUT of the Flow Pump and direct it
F- 7.0.8 (page 36).
F- 7.0.7 (page 36).
Figure 17 – Hydraulics (Rear View)
(page 36), touch valve #26's (black) solenoid. Is it warm (i.e. energized)?
VALVES.
(page 50), check external dialysate line filter #73 (if present) for restrictions. If a
(page 36), touch valve #25's (black) solenoid. Is it warm (i.e. energized)?
VALVES.
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 1 – Flow Errors In Dialysis Program
Page 36