Fresenius Medical Care 2008K Troubleshooting Manual page 199

Figure 73 B – Isolation Area A (includes dialysate lines)
PHT- 5.5.0 ISOLATE SECONDARY CIRCUIT (B)
a) Open the shunt door (to close valve #24 and #25).
b) Pull on the syringe then clamp the syringe tubing. Can you create approximately -250 mmHg AND hold
it (+/- 20 mmHg per minute) on the external meter now?
Yes Remove the clamps from valve #43 then see procedure number
No a) Remove the clamps from valve #43!
b) Two checks: 1) Check the four way assembly for a leak; 2) If SURE the four way assembly
is NOT leaking proceed see procedure number
Figure 73 Isolation Area B (excludes dialysate lines)
C -
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 10 – Pressure Tests Failing
Figure 73 C (page 197) illustrates the isolation area.
PHT- 8.1.0
PHT- 8.1.0 (page 199).
(page 199).
Page 197