2008T Troubleshooting Guide
P/N 490292 Rev. A
F- 1.0.10 VALVE #104’S ‘DOT’ IS WHITE
The Deaeration Pressure calibration is used to check Loading Pressure ONLY (i.e. gauge in RINSE port)!
There is NO NEED to install the Deaeration gauge!
A) Enter Service Mode → Calibrate Hydraulics → Deaeration Pressure.
B) Press ‘Enter. Is Loading Pressure (Rinse port gauge) peaking to between 23 and 27 psi?
Yes Loading Pressure peaking to between 23 and 27 psi! Perform parts
C) THROUGH F).
No Loading pressure is REMAINING less than 23 OR more than 27 psi! THREE (3) possible
scenarios 1) or 2) or 3) below:
1) IF (and ONLY if) between 27 and 30 psi: Adjust Valve #65* until the peak pressure is between
23 and 25 psi THEN perform parts
C) THROUGH F). * To locate Valve #65 refer to Figure 6
(page 22)
2) IF (if and ONLY if) between 15 and 22 psi: Adjust Valve #65* until the peak pressure is between
23 and 25 psi THEN perform parts
C) THROUGH F). * To locate Valve #65 refer to Figure 6
(page 22).
3) IF ALWAYS less than 15 psi: See parts #1 THROUGH #3 below:
Part #1: Turn the machine OFF then back on
Part #2: Return to Dialysis Program (“Select Program” → ‘Dialysis’ → ‘Enter’)!
Part #3: Proceed to
page 124, procedure number F- 15.0.0.
C) Figure right, if threads ARE visible under Valve #65’s
nut see part D. If NOT, either the wrong spring is
installed (see Figure 6, page 22) OR Valve #65 is bad.
D) Turn the machine OFF then back on.
E) Return to Dialysis Program (“Select Program” → ‘Dialysis’
→ ‘Enter’)!
F) Call debug screen 0. WITHOUT LOOKING AWAY, watch
Flow Error for up to five (5) minutes OR until if it EVER =
1 indicating a Flow problem. TWO (2) possible scenarios:
1) IF Flow Error EVER = 1: A) Open the shunt door! B) Proceed to
page 38, procedure
number F- 2.0.0.
2) IF Flow Error REMAINS = 0: A Flow problem is NOT occurring at this time but other problems
may be! Refer to the Table of Contents for whatever other problem may be occurring
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