Pdia Not Between 1.5 And 8.5 Or Unstable - Fresenius Medical Care 2008T Troubleshooting Manual

F- 6.1.1 PDIA NOT BETWEEEN 1.5 AND 8.5 OR UNSTABLE
a) Momentarily plug the RED (acid) concentrate connector into its rinse port to call "Select Program".
b) Return the RED connector to acid concentrate!
c) Press the 'Dialysis' button but
d) Call debug screen 0. If parts a through c were performed correctly the TOP balancing chamber valves
'dots' are REMAINING BLUE!
e) Remove the red DIALYZER connector from the shunt door and HOLD IT
UP as seen in the Figure right.
f) Continuous flow, more than 0.2 ml every minute, from the connector?
Yes Continuous flow! Turn the machine off THEN proceed to
SECTION 18A – DIAGNOSTIC VALVE LEAK
No Flow! See parts a THROUGH c below:
Return the connector to the shunt and close the door!
a)
b) ENSURE the TOP balancing chamber valves are REMAINING BLUE!
c) From debug screen 0, Figure right, watch valve #41's 'dot' for thirty
(30) seconds. TWO (2) possible scenarios:
1)
2) IF valve #41's 'dot' STAYS white: Call debug screen 4. Watch PDIA AND ADIA
again for one (1) minute, TWO (2) possible scenarios i) or ii) below:
DO NOT
press 'Confirm' or 'Enter' till instructed!
IF (and ONLY if) valve #41's 'dot' cycles between white and blue: Turn the
machine off THEN proceed to
LEAK TESTS
i) IF (and ONLY if) PDIA AND / OR ADIA is NOT between 3.0 and 7.5 OR
changes more than 0.1 i.e. unstable: Proceed to
number TMP- 3.0.0.
ii) IF PDIA AND ADIA are between 3.0 and 7.5 and DOES NOT change more
than 0.1 i.e. is stable: See procedure number
2008T Troubleshooting Guide
P/N 490292 Rev. A
page 572
TESTS.
page 572
, SECTION 18A – DIAGNOSTIC VALVE
F- 6.1.2
,
page 505
, procedure
(page 61).
Page 60