2008T Troubleshooting Guide
P/N 490292 Rev. A
1) IF (and ONLY if) PDIA AND ADIA REMAIN between 2.0 and 8.0: See procedure number F- 19.0.0
(page 139).
2) IF PDIA OR ADIA does NOT REMAIN between 2.0 and 8.0: See parts A THROUGH C below:
A) A procedure in a different Section is performed next. NOTE this page and procedure number
(F- 18.2.0) because you may be prompted to return here.
B) BEFORE continuing to part C, proceed to
page 572, to perform SECTION 18A – DIAGNOSTIC
VALVE LEAK TESTS.
C) If a leaking balancing chamber valve was NOT located in part B, see procedure number F- 19.0.0
(page 139).
F- 19.0.0 TROUBLESHOOT BAD LOADING PRESSURE
a) Return to Dialysis Program (“Select Program” → ‘Dialysis’ → ‘Enter’)!
b) The Deaeration motor shaft MUST be rotating COUNTERCLOCKWISE!
c) From the Home screen, set [Dialysate Flow] to 800 ml/min and press ‘Enter’!
d) WITHOUT LOOKING AWAY, simultaneously watch for a “No Water” alarm and Loading Pressure for five
(5) minutes. Is Loading Pressure now cycling between a low of NEVER LESS THAN 11 psi and a PEAK
of somewhere between 23 and 27 psi (Yes or No)?
Yes Between 23 and 27 psi! Assuming a Flow Error does not occur perform an acid clean! If
(and ONLY if) the Loading Pressure problem reoccurs in the near future see procedure
number F- 19.1.0 (page 139).
No Cycles to less than 23 psi! See procedure number F- 19.1.0 (page 139).
F- 19.1.0 PRESSURE TEST HYDROCHAMBER
a) A procedure, in a different Section, is performed next. IMPORTANT! NOTE this page and procedure
number (F- 19.1.0) as you may prompted to return to here.
b) BEFORE continuing to part c, proceed to
page 150 to perform PRESSURE TEST
HYDROCHAMBER.
c) If the Hydrochamber leak was not located in part b return to Dialysis Program (“Select Program” →
‘Dialysis’ → ‘Enter)!
d) The Deaeration motor shaft MUST be rotating COUNTERCLOCKWISE!
e) WITHOUT LOOKING AWAY simultaneously watch for a “No Water” alarm AND Loading Pressure, for
five (5) minutes. Is Loading Pressure now cycling to a PEAK of somewhere between 23 and 27 psi (Yes
or No)?
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