Fresenius Medical Care 2008K Troubleshooting Manual page 35

Figure 13 – DiaSafe
F- 7.0.2 CHECKING SECONDARY 'FRESH' PATHS
These procedures check various flow paths and if done correctly can save hours of work. Distribution board
connectors are manually switched to open various flow paths and flow is measured into a 1000 ml graduated
cylinder for 30 seconds. Be VERY CAREFUL to NOTE connector and distribution board labeling! ASSURE
all connectors are aligned properly after switching them! CAUTION! Assure the card cage is CLOSED
VERY IMPORTANT!
a)
b) Plug the red concentrate connector into its rinse port to
call the "Select Program" screen. Do NOT start a
Cleaning / Disinfection program!
c) With the "Select Program" screen up, perform BOTH PARTS 1 and 2 below:
PART 1:
a) CAREFULLY plug valve #35 into valve #30's distribution board position labeled ("V30" or
"P30"). Valve #30 remains unplugged!
b) Remove the red dialyzer connector from the shunt door and measure flow from it for 30
seconds. If no flow,
flow, two measurements are recommended!
c) RECORD PART 1 results then perform PART 2 EVEN IF there is no flow.
PART 2:
a) CAREFULLY return valve #35 to its distribution board position.
b) CAREFULLY plug valve #37 into valve #30's distribution board position and measure
flow, from the red dialyzer connector, for 30 seconds.
c) Do NOT unplug valve #37 until instructed otherwise!
d) Four possible scenarios based on PART 1 AND PART 2 results. Respond according to
Table 2
®
Filter / Test Valve Configurations
Assure Dialysate Flow is ON (Dialysate Flow on/off LED off)!
carefully double check connector placement!
(page 34):
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 1 – Flow Errors In Dialysis Program
If there is
Page 33