F- 7.4.44 Part 1 More Than 800 Ml/Part 2 Bad Flow/Restricted Valve #37 Or #33; F- 7.4.45 Less Than 800 Ml Collected/Isolate Valve #33 - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 7.4.44 PART 1 MORE THAN 800 ML / PART 2 BAD FLOW / RESTRICTED VALVE #37 OR #33
Balancing Chamber Valve #37 and/or Valve #33 is not opening. Also, the Actuator Cable or distribution
board may be bad. These procedures isolate between these components:
A) Turn the machine OFF!
Per the Figure below
B)
C) Plug the new Valve #37's connector into Valve #30's distribution board position, "V30".
D) Turn the machine on but
E) With "Select Program" up, measure flow, from the RED connector, into the cylinder for one (1) minute.
More than 800 ml collected?
Yes More than 800 ml collected! Problem solved! The previous Valve #37 is bad.
No Less than 800 ml collected! See procedure number
.
F- 7.4.45 LESS THAN 800 ML COLLECTED / ISOLATE VALVE #33
A) Turn the machine OFF!
B) Plug the new valve #37's connector into its distribution board position, "V37"!
Per the Figure above
C)
D) Plug the new Valve #33 into Valve #30's distribution board position, "V30"!
Parts E and F next page
Valve #37
, replace
DO NOT
press any other keys!
Valve #33
, replace
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
with a known good valve.
F- 7.4.45
with a known good valve.
(page 69).
Page 69