Fresenius Medical Care 2008K Troubleshooting Manual page 253

LEAKING- 3.0.2 ISOLATE THE LEAK
a) IMPORTANT! Open the shunt door (Bypass LED on) and dry the leak site.
b) Allow 30 seconds. Does a leak reappear (somewhere)?
Yes Referring to
33, procedure number
No Referring to
Proceed to page 48 procedure number
LEAKING- 4.0.0 DEBRIS LOCATED
Debris may indicate: A) Old style hydro block ONLY: 1) 'Rod baffle' degradation in chamber E (see
28, page 59); 2) Excessive o-ring lubrication at the restrictor o-rings; 3) O-ring debris (if the restrictor o-rings
are/were broken). B) New Style Hydro chamber AND Old style Hydro Block: 1) Inadequate acid clean
cycles (causing excessive bicarbonate precipitate); 2) Inadequately filtered incoming water.
Figure 106 – Abbreviated Flow Diagram
Figure 106 (page 251), possible restriction in the 'In Bypass' circuit. Proceed to page
F- 7.0.2.
Figure 106 (page 251), possible restriction in the 'Out Of Bypass' circuit is indicated.
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
F- 14.0.0.
Section 21 –Large Hydraulic Leaks
Figure
Page 251