Franklin-fueling-systems LS500 Auto Learn Line Leak Detection Installation Uživatelský manuál stáhnout pdf (Strana 22)

Test Result Alarms

Test Result Condition Possible Cause Resolution

Pass Line is tight

Fail Actual Leak Line pressure variations are outside 

threshold

Check for leaks, force leak test 

to verify

Temperature Instability Temperature uctuations cause 

pressure variances

Check for leaks, force leak test 

to verify

Inadequate learning Line not properly bled to zero during 

learning

Re-learn the line, follow 

procedures

Air was not bled out of the line prior 

to learning

Purge the line, re-learn

Air in line Line left open or air elimination loop 

failing

Purge the line 

Abort (no 

indication)

Dispensing A hook signal was detected, this 

resets the testing 

Allow test cycle to complete 

before dispensing

Line disabled Either manually, or by another 

application shut the STP down

Check other alarms, nd source 

of interruption

Manual test started User forced a line leak test Cycle resets after manual test 

completes

STP Shutdown 2 consecutive 3 GPH test 

failures

Possible gross leak Investigate, then Force a 

Manual Gross Test

1-2 consecutive 0.2 GPH 

test fails (depending on 

programming)

Possible 0.2 GPH leak Investigate, then Force a 

Manual Monthly Test

1-3 consecutive 0.1 GPH 

test fails (depending on 

programming)

Possible 0.1 GPH leak Investigate, then Force a 

Manual Annual Test

3 consecutive catch pressure 

tests that over 50 psi

High line pressure Investigate, adjust or replace 

check valve or functional 

element

Catch pressure test failure Pressure was less that 12 psi after 

programmed delay when STP 

turned off 

Investigate, force a manual test 

and observe pressure

Pressure up test failure Pressure was less that 12 psi after 

programmed delay when STP 

turned on

Investigate, force a manual test 

and observe pressure

Clearing Alarms

Clearing a console of alarms is important because, depending on how the T5 Series FMS console has been set up, 

alarms can: disable channels, start an annunciator, or stop a line test under way.

Administrator privileges will be necessary to clear line alarms on the T5 Series FMS console. For instructions on how to 

obtain an Administrator access level, please refer to the T5 Series FMS Programming Guide (p/n 000-2142) or the TS-

550evo FMS Programming Guide (p/n 000-2173).

1.  Identify the alarm on the FMS Alarms screen.

2.  Diagnose the condition using information found in the Alarms chapter of this guide.

3.  Follow the troubleshooting steps in the previous section of this chapter to correct the issues indicated by the alarms.

4.  Navigate to the Line Control screen.

5.  Select Reset Alarms on the Control screen. 

6.  Select Enable/Disable on the Control screen if you were not given the choice to enable the line when the alarms were 

reset.

If the condition still exists, the alarm can take up to several hours to reappear after the line is enabled. 

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