Air = 0 - Fresenius Medical Care 2008T Troubleshooting Manual

CO- 6.8.3 AIR = 0
a) Remove the hydraulics from the cabinet.
b) Per the Figure below, clamp the tubing attached at the top of Valve #101.
Return to the Cond Cells calibration.
c)
d) Allow up to fifteen (15) minutes OR until if the external meter stabilizes between 13.0 and 14.4 (Yes or
No)?
Yes Stabilizes between 13.0 and 14.4! Remove the clamp from Valve #101 and allow ten (10)
minutes. If measured conductivity becomes more than 14.5 again this confirms a problem with
Valve #101.
(refer to Figure 4C
Figure 4D (page 13)).
No Does NOT stabilize between 13.0 and 14.4. Remove the clamp then see procedure number
CO- 6.8.6 (page 394).
THREE (3) possible problems: 1) Loose ribbon cable at the bibag Interface Board
(page 11)) OR; 2) Bad Valve #101 OR; 3) Bad bibag Interface Board (refer to
2008T Troubleshooting Guide
P/N 490292 Rev. A
Page 393