Pht- 3.1.3 Pressure Test Fails And Atmp Increased To More Than -400; Pht- 3.1.4 Negative Pressure Test Fail - Fresenius Medical Care 2008K2 Troubleshooting Manual

i) IF FILACT EVER '1' (even if only once):. Proceed to
PROGRAM PROBLEMS
ii) IF FILACT ALWAYS '0'! Proceed to
PROBLEMS.

PHT- 3.1.3 PRESSURE TEST FAILS AND ATMP INCREASED TO MORE THAN -400

a) Remove the UF Sample Connector (Figure right) AND
hold it so that you can observe UF PUMP output!
simultaneously
b) Below you will
banners, debug screen 1's ATMP AND the UF Sample
Connector!
c) Reset all alarms. From the Test & Options screen select
the [Pressure Tests] button then press 'CONFIRM'.
d) During "Get Neg TMP" the UF Pump sends 'strong pulses' through the Sample Connector every eight
(8) seconds until the "Neg Flow On" banner appears THEN the UF Pump SHOULD stop!
e) ENSURING "Neg Flow On" is presenting AND ATMP is REMAINING more than -270 does the UF
Pump CONTINUE to send strong pulses(s) through the UF Sample Connector?
Yes If ABSOLUTELY SURE the UF Pump sent a pulse WHILE the "Neg Flow On" banner was up!
Turn the machine off then see the TWO (2) possibilities (below). Repeat the Pressure Tests
to see if either solved the problem.
Possibilities: 1) A card cage circuit board not seated properly OR 2) Bad Actuator-Test
Board.
No If the Pressure Tests Fail, from the Tests & Options screen, if a Negative Pressure Test listing
appears see procedure number
appears return to Scenario #4 of ABOVE procedure number
ONLY if) the Pressure Tests pass proceed to
PHT- 3.1.4 NEGATIVE PRESSURE TESTS FAIL
1) IF (and ONLY if) "Fail Neg Stabilize" is listed. TWO (2) possible scenarios i) or ii) below:
i) IF FILACT EVER '1' (even if only once) during the repeat 30 second STABILIZATION
"Neg Flow On" period: Proceed to
PROBLEMS
ii) IF FILACT ALWAYS = 0 during the repeat 30 second "Neg Flow On" STABILIZATION
period: Proceed to
2) IF "Fail Neg Flow On" is listed: TWO (2) possible scenarios i) or ii) below:
i) IF FILACT EVER '1' (even if only once) during the repeat 30 second HOLD "Neg Flow On"
period: Proceed to
ii) IF FILACT ALWAYS = 0 during the repeat 30 second HOLD "Neg Flow On" period:
Proceed to
watch the screen
PHT- 3.1.4
page 440
, SECTION 9 – TMP (PRESSURE)
page 409
, SECTION 8 – FILLING PROGRAM PROBLEMS
page 440
, SECTION 9 – TMP (PRESSURE) PROBLEMS
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
page 409
page 440
, SECTION 9 – TMP (PRESSURE)
(page 482). If a Positive Pressure Test listing
page 484
, procedure number
page 409
, SECTION 8 – FILLING PROGRAM
, SECTION 8 – FILLING
PHT- 3.1.2 (page 481). If (and
PHT- 4.0.0.
PROBLEMS!
Page 482