2008T Troubleshooting Guide
P/N 490292 Rev. A
CO- 1.0.4 ISOLATE ACID PUMP CONTROL
a) Open the shunt door and LEAVE IT OPEN till instructed!
b) Call debug screen 0. Figure (right), WITHOUT LOOKING AWAY, watch Acid
versus AAcid for one (1) minute. Are they remaining always within +/- 3 of each
other?
Yes AAcid = Acid! See procedure number CO- 1.0.4.2 (page 353).
No AAcid is NOT remaining within 3 of Acid! There is a problem with Acid Pump control! Close the
shunt door THEN proceed to page 441, SECTION 6 - CONCENTRATE PUMP ERRORS...
CO- 1.0.4.2 AACID = ACID / ISOLATE BICARB PUMP CONTROL
Figure right, watch Bic versus ABic for one (1) minute. Are they remaining always
within +/- 3 of each other?
Yes ABic = Bic! See procedure number CO- 1.0.5 (page 353).
No. ABic is NOT remaining within +/- 3 of Bic! Figure right, watch the Bicarb
(BIC) pump’s ‘dot’ for THREE (3) minutes. It should REMAIN blue. TWO
(2) possible scenarios:
1) IF (and ONLY if) the ‘dot’ is EVER white: See procedure number CO- 9.0.0 (page 409).
2) IF the ‘dot’ REMAINS BLUE: There is a problem with Bicarb Pump control. Close the shunt
door THEN proceed to
page 441, SECTION 6 - CONCENTRATE PUMP ERRORS.
CO- 1.0.5 ABIC = BIC / ISOLATE FILLING PROGRAM
Filling Programs (“Air” in dialysate) may mask Loading Pressure problems and Flow Errors.
a) From debug screen 0, Figure right, watch the text box
above Chamber #69 for thirty (30) seconds for it to
EVER say “Air”, even just once!
b) TWO (2) possible scenarios:
1) IF it EVER says “Air” even just once: See procedure number CO- 1.0.5.2 (page 354).
2) IF (AND ONLY if) it ALWAYS says “No Air”! Proceed to page 356, procedure number
CO- 1.0.6.
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