Fresenius Medical Care 2008K Troubleshooting Manual page 208

AIR- 1.0.5 AIR LEAK FROM BALANCING CHAMBER
Air bubbles seen at the Conductivity cell:
Referring to Figure 78 (page 206
ONE or BOTH valves?
ONE a) Check the connection (and o-ring) between the valve and the balancing chamber body.
b) Check the valve body for cracks.
BOTH See procedure number
Figure 78 – Balancing Chamber Valves / Valve #39
AIR- 1.0.6 CHECK CONCENTRATE INLET SYSTEMS
Referring to Figure 79 (page 206), and using a flashlight, CAREFULLY check through the inlet bicarbonate
and acid tubing. Are air bubbles seen?
Yes a) Check and/or replace all o-rings at the leaking connector (see
b) If using jugs, check the concentrate wand(s). See Figure right.
c) Check the connector(s) for cracks.
No See procedure number
watch CAREFULLY through the tubing at both valves. Is air coming from
),
AIR- 1.0.6 (page 206).
AIR- 1.0.7 (page 207).
Figure 79 – Concentrate Inlet Systems
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 11 – Induced Air Leak Tests
Figure 79).
Page 206