Fresenius Medical Care 2008K Troubleshooting Manual page 42

b) Double check the flow pump is running hard and counterclockwise!
c) IMPORTANT! Refill the bucket if necessary! It MUST NEVER run empty!
d) The "Select Program" screen MUST still be up!
e) Referring to the Figure (right)**, remove valve
#30's INPUT tubing and hold it so that
spillage into the machine will not occur.
** If the machine is equipped with the Aliquot
option valve #30 is in a different location.
Refer to Figure 11 (page 30).
f) CAREFULLY return valve #38 to valve #31's
distribution board position.
g) Measure flow from the tubing for 30 seconds. 400
ml or greater?
Yes Reattach valve #30's tubing then see
procedure number
No Reattach valve #30's tubing then see procedure number
F- 7.4.1 TROUBLESHOOT VALVE #30
a) CAREFULLY return valve #31 AND #38 to their distribution board
positions.
b) If a drain line 'Quick Connector' is used consider repeating procedure
number F- 7.3.2 (page 38), with the 'Quick Connector' removed OR
directly from the rear drain nozzle just in case the 'Quick Connector' or
drain tubing is fully restricted.
c) CAREFULLY return the flow and deaeration pump to their distribution
board positions.
d) Touch valve #30's (black) solenoid. Is it hot (i.e. energized)?
Yes Assuming all procedures have been performed correctly valve #30 may be bad.
No NOTE that VALVE #30 (ONLY) will be checked and proceed to page 78,
TROUBLESHOOTING
F- 7.5.0 CHECK FLOW PUMP #21
CAREFULLY
a) return valve #31 AND #38 to their distribution board positions.
CAREFULLY
b) return the flow and deaeration pump to their respective distribution board positions ("P20
and "P21").
c) This procedure uses a pressure (psi) gauge to check the flow
IMPORTANT!
pump.
d) Referring to the Figure (right), tee the
gauge between the flow pump's OUTPUT
NOZZLE and the WHITE tubing.
e) Place the machine into Rinse Program.
Assure no leaks at the gauge.
f) Assure the flow AND deaeration pumps are
running (i.e. they are plugged in correctly).
F- 7.4.1 (page 40).
VALVES.
Assure it reads 0 psi before installing it!
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 1 – Flow Errors In Dialysis Program
F- 7.5.0 (page 40).
Page 40