2008T Troubleshooting Guide
P/N 490292 Rev. A
TMP- 2.2.5 ACHIEVE NEGATIVE PRESSURE
a) Figure right, connect the Four-Way Assembly
(P/N 150034) to the dialyzer connectors.
b) ENSURE a transducer protector IS NOT in the
Four-Way’s ‘to syringe’ tubing segment.
c) Place the Four-Way into the dialyzer holder!
d) If using a NEO-2 attach to the + (top, red) port.
If using a 90XL attach to the module’s Gauge
Port!
e) DO NOT allow tension or kinks in the Four-Way
tubing segments!
f) CLOSE THE SHUNT DOOR!
g) Call debug screen 2. To ENSURE the shunt door
is indicated closed CVRCLS = 1!
h) PULL on the syringe plunger. Can you achieve between -245 and -255 mmHg on the meter?
Yes -250 +/- 5 mmHg achieved! Clamp the ‘to syringe’ tubing segment to HOLD the pressure
then see procedure number TMP- 2.2.6 (page 500).
No CANNOT achieve -250 +/- 5 mmHg! ENSURE the transducer protector, at the meter, is not
wet OR consider replacing it! If OKAY, see procedure number
TMP- 2.2.7X (page 500).
TMP- 2.2.6 NEGATIVE (–)250 ACHIEVED / NEGATIVE PRESSURE HOLDING TEST
Does meter pressure HOLD, +/- 15 mmHg, for one (1) minute?
Yes Pressure HOLDS! Proceed to
page 502, procedure number TMP- 2.2.8.
No Pressure DOES NOT hold! See procedure number TMP- 2.2.7X (page 500).
TMP- 2.2.7X -250 COULD NOT BE ACHIEVED OR IT DID NOT HOLD / ISOLATE FOUR-WAY
a) Figure right, clamp BOTH Four-Way Dialyzer
Line tubing segments.
b) Can you achieve between -245 and -255 mmHg
AND HOLD it (+/- 15 mmHg) for one (1) minute
now?
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