2008T Troubleshooting Guide
P/N 490292 Rev. A
Yes “Dial Valve Failure” OR “Act Byp Valve Fail” OCCURS! Proceed to page 716, procedure
number DVF- 4.0.0
No “Dial Valve Failure” OR “Act Byp Valve Fail” DOES NOT occur! See procedure number
DVF- 1.2.0 (page 713).
DVF- 1.2.0 DIAL VALVE FAILURE OR ACT BYP VALVE FAIL DOES NOT OCCUR
a) Do not reset alarms!
b) Call debug screen 1.
c) Watch VERR (right column) for five (5) minutes OR until if it becomes more than zero
(0). Does VERR REMAIN = 0 for five minutes?
Yes VERR REMAINS = 0! Proceed to
page 714, procedure number DVF- 2.0.0.
No VERR = 1 OR more! See procedure number DVF- 1.3.0 (page 713).
DVF- 1.3.0 VERR = 1 OR MORE / ISOLATE ‘SPECIAL’ VALVE ERROR
a) Call debug screen 0.
b) Ignoring the TOP Flow Error window, in part c, you will watch the
2
nd
window down
, Valve Error for one (1) minute.
c) WITHOUT LOOKING AWAY, ignoring ‘blinks to 1’ that last less than one (1) second, does Valve
Error EVER = 1 LONGER THAN two (2) seconds? TWO (2) possible scenarios:
1) IF Valve Error = 0 OR ‘blinks to 1’ for less than one (1) second! Proceed to page 213,
TROUBLESHOOTING VALVE ERRORS IN DIALYSIS PROGRAM
2) IF (and ONLY if) Valve Error = 1 for LONGER THAN two (2) seconds! With the shunt door
remaining open, proceed to page 716, procedure number DVF- 4.0.0.
LEFT BLANK INTENTIONALLY
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