Valve #35 Unplugged And Valves Do Not Cycle - Fresenius Medical Care 2008T Troubleshooting Manual

VE- 5.0.3 VALVE #35 UNPLUGGED AND VALVES DO NOT CYCLE
a) At the distribution board (Figure above), unplug
b) Watch the Balancing Chamber Valve 'dots' for forty-five (45) seconds. Do they begin to cycle between
white and blue?
Yes The Balancing Chamber Valves begin to cycle between white and blue! Valve #38 OR its blue
wire harness is bad.
No The Balancing Chamber Valves do not cycle after Valves #32, #33, #35, and #38 have all been
unplugged! See parts A and B below:
A) CAREFULLLY return ALL Valve connectors to the distribution board;
B) Turning the machine off first, swap in each component (see Component List below), one at
a time, returning to Dialysis Program in between, until VERR remains = 0 for ten (10)
minutes indicating the last component swapped in is the problem.
Component List
1) Actuator-Test Board; 2) Actuator Cable; 3) Distribution board
Valve #38's
LEFT BLANK INTENTIONALLY
2008T Troubleshooting Guide
P/N 490292 Rev. A
connector.
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