Fresenius Medical Care 2008K Troubleshooting Manual page 51

F- 14.0.2 CHECK VALVE #26
This IMPORTANT procedure checks if valve #26 is closing properly. A clamp is required:
a) Referring to Figure 23
b) From Rinse Program, clamp valve #26 INPUT tubing at the location indicated in
c) Does the external flow indicator's 'bob' rise, at least ½ way up, and fall now?
Yes Two possibilities: 1) Bad actuator board; 2) Bad valve #26 (remaining open!). NOTE: After
repair the problem that you were originally troubleshooting may still be present!
IMPORTANT!
No a)
b) See procedure number
.
F- 14.0.3 CHECK FOR FLOW THROUGH THE INDICATOR
This step especially important if the indicator was disassembled or
replaced recently. Referring to the Figure (right), if the inner tube or the
'bob' is oriented incorrectly the 'bob' may not rise. Proceed accordingly:
The 'bob' is NOT rising: See procedure number
The 'bob' is rising (at least some): a) Connect to concentrate and place the machine into Dialysis
F- 14.0.4 CHECK VALVE #24 AND THE DIASAFE
a) Assuring the card cage is closed, open the shunt door. The "Cover Is Open" message presents, the
screen's timer stops (and blinks), but Rinse Program continues.
b) Remove the RED dialyzer quick connector from the shunt but do NOT shut the door! Strong flow from
the vacant shunt door port?
Yes Valve #24 and the DiaSafe
No a) Return the red dialyzer connector to the shunt but do NOT shut the door so that Rinse
program remains uninterrupted.
b) See procedure number
(page 49), valve #26 is in one of two locations.
Remove the clamp from valve #26.
F- 14.0.3
Figure 23 – Clamp Valve #26
program (remember to press the
b) See procedure number F- 14.0.10 (page 52).
®
filter are okay. See procedure number
F- 14.0.6
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 1 – Flow Errors In Dialysis Program
(page 49).
F- 14.0.4 (page 49).
®
FILTER #90 (IF EQUIPPED)
(page 50).
Figure 23 (page 49).
'
CONFIRM' key).
F- 14.0.5 (page 50).
Page 49