Flow Error '1' Qdl Not Between 720 And 880 Or Bc Switch > 400; Distribution Board/Balancing Chamber Valves View - Fresenius Medical Care 2008T Troubleshooting Manual

F- 5.0.0 FLOW ERROR '1' OR QDL NOT BETWEEN 720 AND 880 OR BC SWITCH > 400
IMPORTANT!
a) 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
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
Per Figure 9
b)
board position.
c) If (and ONLY if) a wiring error is NOT located see procedure number
wiring error was located this may be the problem.
Figure 9 – Distribution Board / Balancing Chamber Valves
F- 5.1.0 (page 56).
below CAREFULLY
,
2008T Troubleshooting Guide
P/N 490292 Rev. A
DO NOT
turn Dialysate Flow "OFF"!
trace the wires from EACH valve to its distribution
F- 5.1.0 (page 56). If a
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