2008T Troubleshooting Guide
P/N 490292 Rev. A
F- 5.0.0 FLOW ERROR ‘1’ OR QDL NOT BETWEEN 720 AND 880 OR BC SWITCH > 400
a) IMPORTANT! CLOSE THE SHUNT DOOR!
b) The following is ESPECIALLY IMPORTANT if the machine was
worked on by someone who may have connected the BALANCING
CHAMBER VALVES (#31 through #38) incorrectly between the
distribution board and their solenoid terminals (Figure right)!
c) TWO (2) possible scenarios 1) or 2) below:
1) IF (and ONLY if) SURE the machine was NOT worked on previously for this Flow problem:
See procedure number F- 5.1.0 (page 56).
2) IF the machine WAS or MAY have been worked on: See parts a THROUGH c below:
a) Leave the machine in Dialysis Program and
DO NOT turn Dialysate Flow “OFF”!
b)
Per Figure 9 below, CAREFULLY trace the wires from EACH valve to its distribution
board position.
c) If (and ONLY if) a wiring error is NOT located see procedure number F- 5.1.0 (page 56). If a
wiring error was located this may be the problem.
Figure 9 – Distribution Board / Balancing Chamber Valves
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