Positive Pressure Test; Pdial Does Not Hold/Isolate Positive Pressure Leak - Fresenius Medical Care 2008T Troubleshooting Manual

TMP- 2.3.2 POSITIVE PRESSURE TEST
a) CLAMP the external meter's tubing segment! The external meter is invalid during the next test!
b) SLOWLY PUSH on the syringe plunger until screen 0's
WARNING!
DO NOT exceed +325 mmHg!
c) Clamp the Four-Way Assemblies 'to syringe' tubing segment. Does
minute (Yes or No)?
Yes PDial HOLDS +/- 25 mmHg per minute! See parts a AND b below:
Return the dialyzer lines to the shunt and CLOSE THE DOOR!
a)
b) Proceed to
No PDial does DOES NOT hold! See procedure number
TMP- 2.3.3 PDIAL DOES NOT HOLD / ISOLATE POSITIVE PRESSURE LEAK
a) Return the dialyzer lines to the shunt AND CLOSE THE DOOR!
b) A procedure, in a different Section, is performed next. NOTE this page and procedure number
(TMP- 2.3.3) as you may prompted to return here.
c) BEFORE continuing to part d, proceed to
PRESSURE TESTS.
d) If a leak was not located in part c, check the Four Way for a positive pressure leak!
e) Place the machine in HEAT DISINFECT and allow Temperature to increase to more than 70° C!
f) CAREFULLY check the hydraulic compartment, the ENTIRE LENGTH of the dialyzer lines, and the
®
DiaSafe housing for external leaks.
page 504
, procedure number
page 541
LEFT BLANK INTENTIONALLY
2008T Troubleshooting Guide
P/N 490292 Rev. A
PDial
is between positive (+)300 and (+)325!
PDial
HOLD +/- 25 for one (1)
TMP- 2.3.4.
TMP- 2.3.3 (page 503).
, to perform SECTION 12 - INDUCED POSITIVE
Page 503