Bc Leak-1.0.0 Preparation; Isolate Flow Pump (#21); Flow Pump Output Diagram; Section 19 - Testing For Leaking Balancing Chamber Diaphragm - Fresenius Medical Care 2008T Troubleshooting Manual

SECTION 19 - TESTING FOR LEAKING BALANCING CHAMBER DIAPHRAGM

A torn balancing chamber diaphragm will cause Flow Errors and/or Temperature and/or Conductivity
problems and/or OLC problems
BC LEAK- 1.0.0 PREPARATION
a) Call debug screen 5. If the debug screens do not appear press the 'Esc' key
then call screen 5.
b) IGNORING FPRE for now, is FPOS (Figure right, middle column, BELOW
FPRE) more than nine thousand (9000)?
Yes FPOS more than 9000! See procedure number
No FPOS is NOT more than 9000. See procedure number
BC LEAK- 1.1.0 ISOLATE FLOW PUMP (#21)
a) Plug the concentrate connectors into their rinse ports to call the "Select Program" screen.
b) This procedure uses a psi pressure gauge. ENSURE it reads 0 psi before installing it!
c) Per the Figure below, tee the gauge between the Flow Pump's OUTPUT nozzle and its WHITE tubing.
Tie wrap both sides of the gauge tubing to prevent leaks and false readings!
d)
e) Place the machine into
NOT occur!
f) Call debug screen 0. If debug does not appear press 'Esc' then call screen 0.
g) Allow Valve #43's 'dot' (Figure right) to turn blue then WHITE again! While
white, does pressure CYCLE, about every three (3) seconds, to between 35
and 36 psi?
Figure 97 – Flow Pump Output
RINSE!
Watch for one (1) minute to ENSURE a "No Water" or a Flow Error DO
2008T Troubleshooting Guide
P/N 490292 Rev. A
BC LEAK- 3.0.0 (page 583).
BC LEAK- 1.1.0 (page 580).
Page 580