The short answer: a button silences the alarm, but only fixing the cause clears it. Here is the button on each console, and what actually clears the alarms techs get called for most.
Press the red ALARM/TEST key on the front panel. That silences the beeper and acknowledges the alarm.
The warning and alarm lights stay on, and the message stays on the display, until the cause of the condition is corrected. If more than one alarm is active, the display flashes the messages one after another.
Touch anywhere on the warning or alarm bar at the top of the screen. It opens Reports > Alarms > Active, which shows the cause.
While you are on that screen, touch the bar again to acknowledge the alarm and shut off the beeper. The alarm stays on the active report, and the bar stays red, until the condition is corrected.
Press the red ALARM RESET button on the front panel to acknowledge the alarm and shut off the beeper. The alarm stays active until the cause is corrected.
Silencing is acknowledging, not clearing. Every Veeder-Root warning and alarm stays active until its cause is fixed, so an alarm that returns after you press the button is still telling you something. Veeder-Root's own manual puts it in capitals: do not ignore alarms.
Fuel is present in the area a sensor watches (sump, dispenser pan or interstitial space).
Find and fix the source, remove the fuel, then the sensor clears. Follow your site's alarm reporting procedure. Full checks
Liquid reached 8 inches on a dispenser pan sensor or 10 inches on a containment sump sensor.
Remove the liquid and find where it came from. Veeder-Root: immediately follow the site's alarm reporting procedure. Full checks
Liquid reached 1 inch on a dispenser pan or containment sump sensor.
Remove the liquid and find the source. Same reporting procedure as a high liquid alarm. Full checks
Hardware failure: the probe or the wiring between the probe and the console.
Clears when the console hears the probe again: check the probe cable, splices and the probe itself, then call for service. Full checks
The console saw fuel leave the tank during an idle period.
Check for a gross leak before anything else. Clears after the cause is found and the level is stable. Full checks
Fuel level passed the programmed overfill limit.
Stop the delivery and check for spillage. Clears when the level drops back below the limit. Full checks
An in-tank leak test failed (3.0 gph gross or 0.2 gph periodic).
Rerun the in-tank leak test. If the second test fails, call for service. Clears when a test passes. Full checks
The pressurized line failed its 3.0 gph line leak test. Dispensing halts if the console is programmed to.
Only a passing 3.0 gph line leak test clears it. Silencing the alarm does not. Find the cause first, then run the test. The PLLD alarm quick help and the line diagnostic screens show what the console measured. If the 3.0 gph test fails: verify the submersible pump motor is running and building pressure, check the line and fittings for leaks, and check the check valves.
The console saw low pump pressure on the line during a dispense. Dispensing halts if the console is programmed to.
In general, manually run a 3.0 gph line leak test and let it pass. It depends on the console software version: on some versions the next handle lift restarts the pump on its own. If dispensing does not come back, run the 3.0 gph test. If the 3.0 gph test fails: verify the submersible pump motor is running and building pressure, check the line and fittings for leaks, and check the check valves.
The line failed its 0.2 gph periodic line test. Dispensing halts if the console is programmed to.
Work through the PLLD alarm quick help and the line diagnostic screens, then fix the cause.
Work through the PLLD alarm quick help and the line diagnostic screens. Clears when the line passes a test.
Product level is below 10 inches; the pump cannot run.
Schedule a delivery. Clears when product is back above the limit.
A 0.2 gph in-tank leak test has not passed within the required period.
Schedule and pass a 0.2 gph test. Full checks
A fuel alarm, a high liquid alarm, a sudden loss or a failed leak test can mean a release. Follow the alarm response and reporting procedures set for your site. Under the federal underground storage tank rules (40 CFR 280.50), a suspected release has to be reported to the implementing agency within 24 hours or the period it sets, so check your state's program before anyone writes the alarm off.
Source: Veeder-Root, TLS System Warnings and Alarms Troubleshooting Guide, Manual No. 577014-243, Revision A. ThrasherApps is not affiliated with Veeder-Root; Veeder-Root and TLS are its trademarks.
Reference notes from DropTubeBuilder, the offline field tool for fuel system technicians who cut overfill drop tubes, build tank charts and chase dispenser faults. It works with no cell signal, because the sites do not have any.
Get DropTubeBuilder on the App StoreThese notes are a field aid, not a substitute for the governing codes, the stamped drawings, the authority having jurisdiction, or manufacturer manuals. Verify against the current documentation for your installed equipment.