2008T Troubleshooting Guide
P/N 490292 Rev. A
Loading Pressure remains lower than 23 psi continued:
a) ENSURE more than 130 ml flow per minute to the Deaeration Pump (i.e. no airlock)!
b) If SURE of no air lock, proceed to
page 130, procedure number F- 15.5.0.
F- 15.3.6 LOADING PRESSURE BETWEEN 23 AND 25 PSI
Compare the gauge reading at the Deaeration Pump to the gauge reading in the RINSE port. Are they
within three (3) psi of each other?
Yes BOTH gauges within three (3) psi of each other! See procedure number F- 15.3.8 (page 129).
No Pressure at the RINSE port gauge is way less than pressure at the Deaeration Pump gauge!
See parts a THROUGH c below:
a) At the end of the ‘to drain’ tubing, if a
‘Quick Connector’ (Figure right) is present,
an ADAPTOR is required!
b) ENSURING [Dialysate Flow] is set to
800 ml/min, measure flow from the drain
tubing, into a 1000 ml graduated cylinder,
for ONE (1) MINUTE!
c) Drain flow more than 720 ml per minute?
Yes More than 720 ml per minute! THREE (3) possible problems: 1) Loose bibag
Interface Board ribbon cable (refer to Figure 4C, page 11)) OR; 2) Bad Valve #108*
OR; 3) Bad bibag Interface Board.
* To LOCATE Valve #108 refer to Figure 3 (page 5)
No Way less than 720 ml per minute! THREE (3) possible problems: 1) Loose bibag
Interface Board ribbon cable (refer to Figure 4C, page 11)) OR; 2) Bad Valve #103*
OR; 3) Bad bibag Interface Board.
* To LOCATE Valve #103 refer to Figure 3 (page 5)
F- 15.3.8 BOTH GAUGES IN RANGE
Call debug screen 6. WITHOUT LOOKING AWAY, watch BC Switch (middle
column) for five (5) minutes OR until it EVER = 897 or more, even if only once. TWO
(2) possible scenarios below:
1) IF BC Switch EVER = 897 or more, even if only once: Return to
page 38, procedure number
F- 2.0.0.
2) IF BC Switch NEVER = 897 or more: Turn the Heater Switch on THEN check Deaeration Pressure*
per the Preventative Maintenance Procedures booklet.
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