Veeder-Root PLLD line leak alarms
What each line leak alarm means, and what the store can do.
For the PLLD and the wireless WPLLD.
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Line leak alarms
| On the screen | What it means | What to do | Manual |
|---|---|---|---|
Gross Line Fail Alarm | Line pressure dropped, or stayed low, with the pump off.More on this alarm | Can stop salesCall a tech. | 577013-727, p. 2 |
Periodic or Annual Test Fail Alarm | The line failed a 0.2 or 0.1 gph leak test.More on this alarm | Can stop salesCall a tech. | 577013-727, p. 3 |
High Pressure Warningsoftware before version 19 | Line pressure stays too high after the pump shuts off. | Call a tech. | 577013-727, p. 4 |
High Pressure Alarmsoftware before version 19 | Line pressure stayed too high after the pump shut off. | Stops salesCall a tech. | 577013-727, p. 4 |
Line Equipment Fault Alarmversion 19 and up | The line’s pressure-measuring parts have a fault. | Call a tech. | 577013-727, p. 5 |
Comm AlarmWPLLD only | The monitor isn’t hearing the wireless line leak detector. | Call a tech. | 577013-727, p. 6 |
Continuous Handle Alarm | A dispenser has been calling for fuel nonstop for hours. | Hang up every nozzle. Still on? Call a tech. | 577013-727, p. 8 |
Fuel Out Alarm | Fuel is below 10 inches and a 3 gph line test failed.More on this alarm | Stops salesCall for a delivery. | 577013-727, p. 9 |
Low Pressure Alarm | Pressure dropped during a sale: a leak, empty tank or pump fault. | Can stop salesLow on fuel? Get a delivery. If not, call a tech. | 577013-727, p. 10 |
Open AlarmPLLD only | The line’s pressure sensor is unhooked or wired wrong. | Can stop salesCall a tech. | 577013-727, p. 11 |
Short AlarmPLLD, software before version 19 | Pump-on and pump-off pressures read the same, 5 to 15 psi. | Call a tech. | 577013-727, p. 12 |
Periodic or Annual Test Needed Warning | A line test hasn’t passed in time. A busy site may lack quiet time. | Call a tech. | 577013-727, p. 13 |
Setup Data Warning | The line’s length or type was never entered. | Call a tech. | 577013-727, p. 14 |
Shutdown | The monitor shut this line after a failed test or an alarm.More on this alarm | Stops salesCall a tech. | 577014-243, p. 9 |
Good to know
- They show on the Veeder-Root tank monitor, which silences them too.
- The 3 gph line test runs right after the last sale ends.
- Some names only show on software before version 19.
Need a tech?
One request. Up to 4 licensed techs call.
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Sources: Veeder-Root 577013-727, Rev B (2000), Veeder-Root 577014-243, Rev C (2026).
Rows checked against the manual October 18, 2026.
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