Verr = 0/Verify Total Flow; 'Bob' Not Moving/Isolate Valve #29; Valve #29 Open/Isolate Valve #29 - Fresenius Medical Care 2008T Troubleshooting Manual

CLEAN- 4.3.2 VERR = 0 / VERIFY TOTAL FLOW
Watching for fifteen (15) seconds, does the external flow indicator's 'bob' EVER rise at least ¼ way up in
the sight tube?
Yes 'Bob' moving! Proceed to
No 'Bob' NOT moving! See parts a THROUGH d below:
a) ENSURE no tubing restrictions at the Flow Pump and DiaSafe
b) ENSURE Flow Pump Pressure (gauge at Flow Pump) is still PEAKING to between
34 and 38 psi.
c) ENSURE Loading Pressure (gauge in Rinse port) PEAK pressure remains between
22 and 27 psi.
d) A restriction is indicated! See procedure number
CLEAN- 4.4.0 'BOB' NOT MOVING / ISOLATE VALVE #29
a) Screw a 60 ml syringe, COMPLETELY filled with
water, onto the Fluid Sample Port (Figure right).
b) Start a SIX (6) second timer, in your head, as you
AS HARD AS YOU CAN
begin to push
syringe plunger! You should feel very little resistance!
c) Can you push ALL of the water through the Sample
Port within SIX (6) seconds?
Yes Very little resistance encountered! Valve #29
is open! See procedure number
(page 196).
No Significant resistance encountered! NOTE
page 210
CLEAN- 4.4.1 VALVE #29 OPEN / ISOLATE VALVE #24
a) A 1000 ml (or larger) graduated cylinder is required below.
b) ENSURE the water is ON!
Open the shunt door and LEAVE it OPEN until instructed!
c)
d) Remove the BLUE dialyzer connector but
e) Measure from the dialyzer connector for thirty (30) seconds! More than 300 ml collected?
page 198
CLEAN- 4.4.1
, TROUBLESHOOTING A VALVE
DO NOT CLOSE THE DOOR!
2008T Troubleshooting Guide
P/N 490292 Rev. A
, procedure number
CLEAN- 4.4.0
on the
ONLY
VALVE #29 will be checked and proceed to
CAUTION!
CLEAN- 4.6.0.
®
filter!
(page 195).
Fluid may be hot!
Page 195