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Setting Pump Stall Threshold Values – Static Method
Use the following values for reference when using the Static method to adjust the pump stall
threshold values:
Vacuum
Flow rate
Idle (I)
Block
Stall Setting
Stall High Threshold Setting – Static Method
In Diagnostic Mode, press the [MODE] key repeatedly until the "Pump" screen is displayed.
"High" should be highlighted. Otherwise, press [Y/+] to select the "High" value.
The Idle value (shown as a value for "I") should be 150 to 250. Record the value.
l
Block the inlet, and record the value after it goes up.
l
The blocked value minus the Idle (Unblocked) value should be greater than 100 counts:
l
(Blocked value – Unblocked value) > 100.
If it is greater than 100, then the pump is working correctly and tubing leading from the
l
inlet is not leaking.
AreaRAE
Low Speed
≤ -2.5in Hg
>200 cc/min
100 to 200 counts
(Block-Idle) > 100 counts
(Idle + Block)/2
High Speed
≤ -9.6 in Hg
>400 cc/min
150 to 250 counts
(Block-idle) > 100 counts
(Idle + Block)/2
130
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