Tmp- 4.0.0 Isolate Valve #43 - Fresenius Medical Care 2008K2 Troubleshooting Manual

TMP- 4.0.0 ISOLATE VALVE #43

a) Call debug screen 0. ENSURE all eight balancing chamber valves (#31 through #38) 'dots' are
REMAINING white i.e. Dialysate Flow OFF!
CAREFUL HERE!
b)
NOTE:
nozzle. Valve #43's output tubing extends towards the front of the machine!
c) Can you achieve -250 mmHg and HOLD it (+/- 15 mmHg per minute) now?
Yes -250 mmHg achieved and HOLDS! TWO (2) possible bad components: 1) Bad Actuator-
Test Board OR; 2) Bad valve #43.
No -250 cannot be achieved and / or held! See procedure number
Figure 71 B – Isolation Area (includes dialysate lines)
Per Figure 71 A (below), DOUBLE clamp the OUTPUT tubing at Valve #43's
Figure 71 A – Valve #43
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
TMP- 4.2.0 (page 467).
Page 466