Fresenius Medical Care 2008K Troubleshooting Manual page 177

h) Press the UF on/off key (front panel) to turn UF on (UF on/off LED on) until TMP increases
to about 140 mmHg then turn UF off (UF on/off LED off). TMP should not be greater than
250 mmHg to continue.
i) Using a flashlight, check through the post-dialyzer dialysate tubing (bad quick connector o-ring?).
j) Referring to Figure 315
the machine). Is air seen?
Yes See procedure number
No Watch FILACT for three minutes. If (and ONLY if) FILACT = 1 (constant or intermittent) see
procedure number
unable to locate an immediate problem!
FIL- 6.0.0 CHECK FOR AIR LEAKS
NOTE this page and procedure number in case you need to return here! Proceed through these checks
until a problem is found.
1. Referring to the Figure (right), check for excessive air
through the clear concentrate inlet tubing. If a leak is
located this may be the problem!
2. Referring to Appendix A
pressure per Preventative Maintenance Procedures. If
deaeration pressure is inadequate this may be the
problem!
3. Perform SECTION 12 - INDUCED POSITIVE PRESSURE
TESTS (page 208) to check for external water leaks. If a
leak is located this may be the problem!
4. Perform SECTION 11 - INDUCED AIR LEAK TESTS
202) to check for air leaks.
NOTE
5. four leak tests will be performed, Spent Side Balancing Chamber Valves #32, #34, #36, #38
through #38 then see
(page 175), check through chamber #69's input tubing (towards the rear of
FIL- 6.0.0 (page 175).
FIL- 6.0.0 (page 175). If FILACT remains = 0 the Troubleshooting Guide is
Figure 315 - Chamber #69 Air Check
(page 260), check Deaeration
SECTION 18A – AUTOMATED VALVE LEAK TESTS
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 8 – Filling Program Problems
(page
(page 230).
Page 175