Fresenius Medical Care 2008K Troubleshooting Manual page 214

DAIR- 1.0.3 CHECK FLOW ERROR
Call debug screen 0 and CAREFULLY watch Flow Error for three minutes. Proceed accordingly:
Flow Error = 1 (constant or intermittent): Proceed to page 14,
DIALYSIS PROGRAM.
Flow Error = 0 (constant): See procedure number
DAIR- 2.0.0 CHECK RESTRICTOR (#48)
Referring to Figure 84 (page 212), is the machine equipped with the New Style Hydro Chamber or Old
Style Hydro Block?
Hydro Chamber: a) Turn the machine off and clamp the vent tubing externally and at the tee back to
b) Remove the external tubing that contains restrictor #48 (a glass segment).
c) Attach a syringe and push or pull on the plunger. If the plunger resists the restrictor
d) Reinstall the tubing then see procedure number
Hydro Block: a) Turn the machine off and clamp the vent tubing (see
b) Check or replace BOTH restrictor o-rings (P/N 579070). These o-rings affect
c) Check the restrictor on both sides for debris.
d) Reinstall the restrictor and tighten it until snug only. Never use an electric
e) See procedure number
the hydro chamber (see
IS plugged (maybe partially) with debris.
pressures and should be replaced during Annual Preventative Maintenance.
screwdriver! If it won't tighten, the threads may be stripped and this requires
replacing the hydro block.
Figure 84 – Hydro Block/Hydro Chamber
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
DAIR- 2.0.0
Figure 6, page 13).
DAIR- 3.0.0 (page 213).
Section 13 – Deaeration Problems
SECTION 1- FLOW ERRORS IN
(page 212).
DAIR- 3.0.0 (page 213).
Figure 6, page 13).
Page 212