2008T Troubleshooting Guide
P/N 490292 Rev. A
FRESH SIDE THEORY: Per the Figure below, when ‘Select Program” is up, the top Balancing Chamber
(BC) valves (V31 – V34) are supposed to be open, the bottom BC valves (V35 – V38) are closed. V30, V26
and V25 are open. Deaeration Pump #20 is running and can draw from hydrochamber C and D.
PART 1 THEORY: Plugging V35 into V30’s distribution board position should open V35. If V31 AND V35
are open, as well as no other restrictions in the path, flow will be directed to the shunt where it is measured.
PART 2 THEORY: Plugging V37 into V30’s distribution board position should open V37. If V37 AND V33
are open flow will be directed to the shunt
Figure 13 – Parts 1 and 2
LEFT BLANK INTENTIONALLY
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