F- 6.2.0 Troubleshooting 'Continuous' Drain Flow; Valve #43 Location View - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 6.2.0 TROUBLESHOOT 'CONTINUOUS' DRAIN FLOW
Drain flow NEVER stops! From the Home screen, is [Conductivity] more than 15.0 mS?
Yes [Conductivity] more than 15.0! ENSURING Loading Pressure (Rinse port gauge) is
PEAKING to between 23 and 27 psi, see procedure number
No [Conductivity] remaining less 15.0! This procedure checks if Valve #43 is sticking open.
See parts a AND b below:
Per the Figure below
a)
#43's output tubing extends towards the front of the machine!
b) Recheck drain flow. TWO (2) possible scenarios:
IF (and ONLY if) drain flow becomes Pulse → Stop → Pulse → Stop
1)
Remove the clamps from valve #43. TWO (2) possible bad components: 1) Bad
Actuator-Test* Board OR; 2) Bad valve #43.
*
To LOCATE the Actuator-Test board, refer to
IF drain flow continues to be 'continuous':
2)
#43 then proceed to
, double clamp valve #43's OUTPUT tubing.
page 61
, procedure number
Figure 11 – Valve #43 Location
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
F- 6.3.0 (page 59).
NOTE:
Figure 4A (page 9)
Remove the clamps from valve
F- 6.5.0.
Valve
:
Page 58