Section 10 - Pressure Tests Failing; Fail Pos Stabilize - Fresenius Medical Care 2008K2 Troubleshooting Manual

The Pressure (Holding) Tests (PHT) checks the hydraulic system for leaks which could compromise
patient fluid removal! These procedures troubleshoot ALL PHT failures:
A) Per the Figure below, the Automated Tests consist of two discrete tests: 1) Alarms Tests AND
2) Pressure Holding Tests (Negative and Positive). If a Pressure Test fails one or more of the
following messages are listed in the Test & Options screen:
*Fail Remove Air, *Fail Get Neg TMP, *Fail Neg Stabilize, *Fail Neg Flow On, *Fail Get Pos TMP,
*Fail Pos Stabilize, *Fail Pos Flow Off".
B) Are the Tests CURRENTLY running i.e. screen says " Test:..." OR "Testing"?
Yes Tests are running! See part C!
DO NOT start the tests!
No
C) Figure right, has the "Get Neg TMP" banner been presenting
for LONGER THAN ninety (90) seconds?
Yes "Get Neg TMP" lasting longer than 90 seconds! See procedure number
475).
No Allow the Tests to finish then
number PHT-

SECTION 10 - PRESSURE TESTS FAILING

Figure 73 – Test & Options Screen
Proceed to
even if they pass
1.5.0.
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
page 476
, procedure number
,
proceed to
PHT- 1.5.0.
PHT- 1.0.0 (page
page 476
, procedure
Page 474