Fresenius Medical Care 2008K Troubleshooting Manual page 205

Figure 74 – Leak Checks (1) / Abbreviated Flow Diagram
AIR- 1.0.2 TRACE UPSTREAM FROM FILTER
Per Table 23 (page 203), and assuring that TMP is between 160 and 240 mmHg, continue checking
upstream starting at Location #2 (L2) until large air bubbles are no longer seen.
Table 23 – Air Checks (1)
Location
#
From Shunt door or optional Sample
L2
(Figure
L3
From Shunt door
L4 To Shunt door
Bottom of Flow Indicator #75
L5
(Figure
L6
Input Valve #24 / Valve #26 mounting
block (Figure
L7 Input DiaSafe
After Conductivity Cell #7 / NTC #3
L8
(Figure
Before Conductivity Cell #7 / NTC #3
L9
(Figure
Description
Port
page 204)
75,
page 204)
(Figure 75,
page 204)
(Figure 75,
page 204)
75,
age 204).
76, p
®
Filter #90
age 204)
75, p
age 204)
75, p
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
If NO is air is seen, the leak
is at:
Dialysate filter #73
The Sample Port
Dialyzer connector(s) or o-ring(s)
Flow indicator #75
Valve #24 / Valve #26 mounting
block
®
DiaSafe filter #90
®
DiaSafe Test Valve (#91 Old
®
style DiaSafe , #28 DiaSafe
Filter Plus)
Conductivity Cell #7 or NTC #3
Section 11 – Induced Air Leak Tests
If air is seen
go to:
L3 if equipped with
Sample Port, L4 if not.
L4
L5
L6
®
L7 if DiaSafe filter
equipped, L9 if not
L8
L9
®
See procedure
number AIR 1.0.5
(page 206)
Page 203