Franklin-fueling-systems LS500 Auto Learn Line Leak Detection Installation Manual de usuario descargar pdf (Pagina 18)

5.  When nished, the message Learn Completed – No Errors is displayed on-screen and the Not Learned indicator 

will become inactive.

Note:  If any errors are encountered at any time during the Learn Process, the screen will display the applicable error 

message and the Not Learned indicator will remain active. Refer to the Alarms chapter of this guide for information 

on troubleshooting any errors that are displayed.

6.  Once the line has been successfully learned, the line will automatically be enabled. Leave the leak generator 

open. The console will automatically begin a gross leak test. If the line was learned properly it will detect the leak 

and positive shutdown will occur after the 2nd failed 3 GPM test (Approximately 10 minutes)

Close the needle valve. To clear the alarm, navigate to the line control screen and choose reset alarm. The console 

will ask:  Do you also want to enable this line?  Select OK. (If you select CANCEL the line will not be enabled) This 

will automatically start another gross line test. A 3 gph pass will allow the FMS to continue to monitor the line. If this 

test fails, isolate why the test failed, make necessary repairs, and then reset the alarm again.

8.    Remove the leak generator and replace the leak generator plug. The needle valve kit should be left installed in the 

manifold to easily allow functional testing, and re-learning lines if needed. 

Learn Messages

Learn Message Description

Learning 0 offset Displayed when the console is calibrating 0

Excessive Offset or 

Unstable Pressure

Pressure is unstable

Learning pump pressure Displayed when the console is learning the operating pressure

Insufcient pressure STP is not operating at a high enough pressure

No pressure loss Console does not detect a leak

Insufcient volume (line 

too small)

Console detects a pressure drop that is too great

Learning pressure decay 

curve

Displayed during the learn process to indicate that the calibrated leak decay curve is 

being recorded

Modulus out of range Console detects a pressure drop that is too  small

Learned The line has been learned

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Franklin-fueling-systems LS500 Auto Learn Line Leak Detection Installation Manual de usuario Pagina 18