- Annual or Periodic Test Fail
- Fuel Out or Low Product alarm
- Gross Line Fail alarm
- Overfill alarm
- High Water alarm
- Probe Out alarm
- Sudden Loss alarm
- PLLD Shutdown alarm
- Fuel Alarm (sensor)
- High Liquid alarm
- Sensor Out alarm
- Tank monitor printer not printing
- Veeder-Root TLS-450PLUS and TLS4 alarms
- Veeder-Root PLLD line leak alarms
- Red Jacket IQ control box: red light codes
- Red Jacket IQ2 alarms and warnings
- Alarm and error codes
Veeder-Root TLS-350 alarms
What each message means, and what the store can do.
Also the TLS-300 and TLS-350R.
To silence it
- Press the red ALARM/TEST key to stop the beeper.
- The warning and alarm lights stay on until the cause is fixed.
Not here? Send it with your request.
Tank alarms
| On the screen | What it means | What to do | Manual |
|---|---|---|---|
ANN TST NEEDED ALM | A yearly 0.1 gph leak test of a tank or line wasn’t done in time. | Schedule the leak test. | 576013-610, p. 29-4 |
ANN TST NEEDED WRN | A yearly 0.1 gph leak test of a tank or line wasn’t done in time. | Schedule the leak test. | 576013-610, p. 29-4 |
ANNUAL TEST FAIL | The tank failed its yearly 0.1 gph leak test.More on this alarm | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-4 |
CSLD INCR RATE WRN | Too much liquid leaked into the tank during a test. | Call a tech. | 576013-610, p. 29-4 |
DELIVERY NEEDED | Fuel dropped below the reorder level set in the monitor.More on this alarm | Call for a delivery. | 576013-610, p. 29-4 |
DELIVY DENSITY WRN | The delivery’s fuel density wasn’t entered. | Enter the delivery’s fuel density. | 576013-610, p. 29-4 |
FUEL QUALITY ALARM | The tank may hold the wrong fuel, or water-separated fuel. | Just had a delivery? Check it was the right fuel. | 576013-610, p. 29-4 |
GROSS FAIL LINE TNK | A tank or line failed a 3 gph leak test.More on this alarm | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-4 |
GROSS TEST FAIL | The tank failed a 3 gph leak test.More on this alarm | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-4 |
HIGH PRODUCT ALARM | The tank is fuller than the limit set in the monitor.More on this alarm | No more deliveries until fuel is sold. | 576013-610, p. 29-4 |
HIGH WATER ALARM | Water in the tank is over the alarm limit.More on this alarm | Have the water taken out. | 577014-243, p. 5 |
HIGH WATER WARNING | Water in the tank is over the warning limit.More on this alarm | Have the water taken out. | 576013-610, p. 29-5 |
INVALID FUEL LEVEL | Fuel is so low the probe can’t read it.More on this alarm | Call for a delivery. | 576013-610, p. 29-5 |
LEAK ALARM | A tank leak test failed.More on this alarm | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-5 |
LOW PRODUCT ALARM | Fuel is below the low limit set in the monitor.More on this alarm | Call for a delivery. | 576013-610, p. 29-5 |
LOW TEMP WARNING | The tank probe is colder than -4°F. | Clears when the temperature is back in range. | 576013-610, p. 29-5 |
MAX PRODUCT ALARM | The tank is over its maximum level.More on this alarm | Stop the delivery. No more until fuel is sold. | 576013-610, p. 29-5 |
MISSING TICKET WARN | A delivery’s ticket wasn’t entered at the monitor. | Enter the delivery ticket. | 576013-610, p. 29-5 |
NO CSLD IDLE TIME | Not enough idle time in 24 hours to run the leak test. | Stop selling from that tank until the test ends. | 576013-610, p. 29-5 |
OVERFILL ALARM | Fuel is over the fill limit. The tank may overflow.More on this alarm | Stop the delivery. Check for spills. | 576013-610, p. 29-5 |
PER TST NEEDED ALM | A 0.2 gph leak test of a tank or line wasn’t done in time. | Schedule the leak test. | 576013-610, p. 29-5 |
PER TST NEEDED WRN | A 0.2 gph leak test of a tank or line wasn’t done in time. | Schedule the leak test. | 576013-610, p. 29-5 |
PERIODIC TEST FAIL | The tank failed a 0.2 gph leak test.More on this alarm | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-5 |
PROBE OUT | The tank’s probe or its wiring has failed.More on this alarm | Call a tech. | 576013-610, p. 29-5 |
SETUP DATA WARNINGtank probe | A tank’s setup is wrong, or its probe was out at startup. | Call a tech. | 576013-610, p. 29-5 |
SUDDEN LOSS ALARM | The fuel level dropped while no fuel was being sold.More on this alarm | Check for a big leak. Call a tech. | 576013-610, p. 29-5 |
TANK SIPHON BREAK | A siphon break valve closed the manifold for a tank test. | Nothing. It clears by itself. | 576013-610, p. 29-5 |
TANK TEST ACTIVE | A tank leak test is running. | Don’t sell from that tank until it clears. | 576013-610, p. 29-5 |
Line leak alarms
| On the screen | What it means | What to do | Manual |
|---|---|---|---|
ANNUAL LINE FAIL | A line failed its yearly 0.1 gph leak test.More on this alarm | Can stop salesCall a tech. | 576013-610, p. 29-9 |
COMM ALARMwireless line leak detector | The monitor isn’t hearing a wireless line leak detector. | Call a tech. | 576013-610, p. 29-11 |
CONT HANDLE ALRM | A pump handle signal or a pump has been on for hours. | Call a tech. | 576013-610, p. 29-10 |
FUEL OUT | Fuel is below 10 inches. The pump can’t run.More on this alarm | Stops salesCall for a delivery. | 576013-610, p. 29-10 |
FUEL OUTvolumetric line leak detector | Fuel is below 10 inches and three 3 gph self-tests failed.More on this alarm | Call for a delivery. | 576013-610, p. 29-12 |
GROSS LINE FAIL | A line failed its 3 gph leak test.More on this alarm | Can stop salesCall a tech. | 576013-610, p. 29-10 |
LN EQ FAULT ALM | The line’s pressure-measuring equipment has a fault. | Call a tech. | 576013-610, p. 29-10 |
LOW PRESSURE ALARM | Line pressure dropped during a sale. | Can stop salesThe next sale restarts the pump. | 576013-610, p. 29-10 |
PERIOD LINE FAIL | A line failed its 0.2 gph leak test.More on this alarm | Can stop salesCall a tech. | 576013-610, p. 29-10 |
PLLD OPEN ALARM | The line’s pressure sensor reads below -8 psi. | Can stop salesCall a tech. | 576013-610, p. 29-10 |
PLLD SHUTDOWN ALARM | The monitor shut this line after a failed test or an alarm.More on this alarm | Stops salesCall a tech. | 576013-610, p. 29-10 |
SETUP DATA WARNINGline leak detector | The line’s real length was never entered. | Call a tech. | 576013-610, p. 29-10 |
ANN-LINE TEST FAIL | The volumetric detector’s yearly 0.1 gph line test failed. | Call a tech. | 576013-610, p. 29-12 |
ANN-LINE SELF FAIL | The yearly 0.1 gph line self-test failed twice. | Call a tech. | 576013-610, p. 29-12 |
ANN-PUMP TEST FAIL | The yearly 0.1 gph pump-side test failed. | Call a tech. | 576013-610, p. 29-12 |
ANN-PUMP SELF FAIL | The yearly 0.1 gph pump-side self-test failed. | Call a tech. | 576013-610, p. 29-12 |
GRS LINE TEST FAIL | The 3 gph line test failed. | Call a tech. | 576013-610, p. 29-12 |
GRS LINE SELF FAIL | The 3 gph line self-test failed. | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-12 |
GRS PUMP TEST FAIL | The 3 gph pump-side test failed. | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-12 |
GRS PUMP SELF FAIL | The 3 gph pump-side self-test failed. | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-12 |
LINE LEAK SHUTDOWN | A line or pump-side test failed, so the pump was shut off.More on this alarm | Stops salesCall a tech. | 576013-610, p. 29-12 |
LINE LEAK TEST FAIL | A line or pump-side leak test failed. | Call a tech. | 576013-610, p. 29-13 |
LLD PRESSURE ALARM | Six tests in a row found the pump not running. | Call a tech. | 576013-610, p. 29-13 |
LLD PRESSURE WARN | Three tests in a row found the pump not running. | Call a tech. | 576013-610, p. 29-13 |
LLD SELF TEST FAIL | The line leak detector’s hardware has failed. | Call a tech. | 576013-610, p. 29-13 |
LLD TEST FAULT-ANN | The line leak detector’s hardware has failed. | Call a tech. | 576013-610, p. 29-14 |
LLD TEST FAULT-GRS | The line leak detector’s hardware has failed. | Call a tech. | 576013-610, p. 29-14 |
LLD TEST FAULT-PER | The line leak detector’s hardware has failed. | Call a tech. | 576013-610, p. 29-14 |
PER-LINE TEST FAIL | The 0.2 gph line test failed twice. | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-13 |
PER-LINE SELF FAIL | The 0.2 gph line self-test failed. | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-13 |
PER-PUMP TEST FAIL | The 0.2 gph pump-side test failed. | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-13 |
PER-PUMP SELF FAIL | The 0.2 gph pump-side self-test failed. | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-13 |
SELF TEST INVALID | A self-test failed during a test someone started. | Rerun the test once. Fails again? Call a tech. | 576013-610, p. 29-13 |
Sump, pan and tank wall sensors
| On the screen | What it means | What to do | Manual |
|---|---|---|---|
COMMUNICATION ALARMsmart sensor | A smart sensor or its wiring has failed. | Call a tech. | 576013-610, p. 29-17 |
FUEL ALARM | A sensor found fuel, or a basic sensor found any liquid.More on this alarm | Call a tech. | 576013-610, p. 29-6 |
FUEL WARNING | A smart sensor’s fuel reading passed its warning limit. | Call a tech. | 576013-610, p. 29-17 |
HIGH LIQUID ALARMsump or pan sensor | Liquid is 8 in. deep in a dispenser pan or 10 in. in a sump.More on this alarm | Follow your store’s alarm steps now. | 576013-610, p. 29-7 |
HIGH LIQUID ALARMbrine sensor in a tank wall | The brine level in the tank wall is rising. Liquid may be getting in. | Call a tech. | 576013-610, p. 29-7 |
HIGH LIQUID ALARM3-wire or smart sensor | The sensor found a high liquid level. | Call a tech. | 576013-610, p. 29-15 |
HIGH LIQUID WARNING | A smart sensor’s liquid level passed its warning limit. | Call a tech. | 576013-610, p. 29-17 |
INSTALL ALARM | A smart sensor isn’t sitting in the right position. | Call a tech. | 576013-610, p. 29-17 |
LIQUID WARNING | Liquid is 1 in. deep in a dispenser pan or sump.More on this alarm | Follow your store’s alarm steps now. | 576013-610, p. 29-8 |
LOW LIQUID ALARM | The brine level in the tank wall dropped. A wall may have a hole. | Call a tech. | 576013-610, p. 29-7 |
LOW LIQUID WARNING | A smart sensor’s liquid level fell past its warning limit. | Call a tech. | 576013-610, p. 29-17 |
NO VACUUM ALARM | A tank wall that should hold a vacuum has none. | Call a tech. | 576013-610, p. 29-17 |
SENSOR FAULT ALARM | A smart sensor, or a part of it, isn’t working. | Call a tech. | 576013-610, p. 29-17 |
SENSOR FAULT WARNING | A vacuum sensor’s control valve isn’t working. | Call a tech. | 576013-610, p. 29-17 |
SENSOR OUT ALARM | A sensor is unplugged, faulty or set up wrong.More on this alarm | Call a tech. | 576013-610, p. 29-7 |
SETUP DATA WARNINGsensor | A sensor is programmed wrong. | Call a tech. | 576013-610, p. 29-17 |
SHORT ALARM | A sensor or its wiring has shorted. | Call a tech. | 576013-610, p. 29-7 |
TEMPERATURE WARNING | It’s too hot or too cold for the sensor (-40 to 122°F). | Clears when the temperature is back in range. | 576013-610, p. 29-17 |
VACUUM WARNING | The vacuum in a tank wall is leaking away. | Call a tech. | 576013-610, p. 29-17 |
WATER ALARM | A sensor found water, or a vapor sensor is under water. | Call a tech. | 576013-610, p. 29-8 |
WATER OUT ALARM | Groundwater fell below the sensor, so it can’t do its job. | Call a tech. | 576013-610, p. 29-14 |
WATER WARNING | A smart sensor’s water reading passed its warning limit. | Call a tech. | 576013-610, p. 29-17 |
Submersible pump
| On the screen | What it means | What to do | Manual |
|---|---|---|---|
PUMP RELAY ALARM | A submersible pump kept running after it should have stopped. | Call a tech. | 576013-610, p. 29-18 |
SETUP DATA WARNINGpump relay | A pump relay is assigned but not set up. | Call a tech. | 576013-610, p. 29-18 |
Tank monitor, printer and inputs
| On the screen | What it means | What to do | Manual |
|---|---|---|---|
ALARM CLEAR WARNING | An alarm set to call out has cleared. | Nothing. It clears by itself. | 576013-610, p. 29-9 |
AUTODIAL FAILURE | The monitor couldn’t reach a remote receiver. | Call a tech. | 576013-610, p. 29-9 |
BATTERY IS OFF | The backup battery is off. A power cut would erase the setup. | Call a tech. | 576013-610, p. 29-3 |
CLOCK IS INCORRECT | The clock is off by over 10 seconds. Its battery may be dead. | Call a tech. | 576013-818, p. 5-2 |
CLOSE DAILY WARNING | Waiting for a quiet moment to close the daily report. | Nothing. It clears by itself. | 576013-610, p. 29-16 |
CLOSE SHIFT WARNING | Waiting for a quiet moment to close the shift report. | Nothing. It clears by itself. | 576013-610, p. 29-16 |
COMMUNICATION ALARMdispenser interface | The monitor lost contact with a dispenser interface device. | Call a tech. | 576013-610, p. 29-16 |
DELIVERY REPORT WARN | The monitor called out a delivery report. | Nothing. It clears by itself. | 576013-610, p. 29-9 |
DISABLED DIM ALARM | The monitor’s dispenser interface board stopped answering. | Call a tech. | 576013-610, p. 29-16 |
EXTERN INPUT ALARM | A device wired to the monitor changed state. | Check the device wired to this input. | 576013-610, p. 29-16 |
FPROM WRITE FAILURE | A memory board in the monitor has an error. | Call a tech. | 576013-610, p. 29-3 |
NO DIAL TONE ALARM | The monitor’s phone line has no dial tone. | Call a tech. | 576013-610, p. 29-9 |
NO MT COMM | A Maintenance Tracker board was removed. | Call a tech. | 576013-610, p. 29-3 |
NO NVMEM | A memory board Maintenance Tracker needs is missing. | Call a tech. | 576013-610, p. 29-3 |
PAPER OUT | The printer is out of paper.More on this alarm | Put in a new paper roll. | 576013-610, p. 29-3 |
PC(H8) REVISION WARN | A board’s software doesn’t match the monitor’s. | Call a tech. | 576013-610, p. 29-3 |
PRINTER ERROR | The printer’s roller release is open.More on this alarm | Push the printer’s release lever up. | 576013-610, p. 29-3 |
PROD THRESHOLD ALM | Fuel sold and fuel measured are off by more than the limit. | Call a tech. | 576013-610, p. 29-16 |
PROTECTIVE COVER ALARM | The safety cover over the power area is off. | Call a tech. | 576013-610, p. 29-3 |
RAM ERR ADDR = 01E80000 | New software is running on an older board. | Call a tech. | 576013-610, p. 29-3 |
REMOTE DISPLAY ERROR | The remote display isn’t talking to the monitor. | Call a tech. | 576013-610, p. 29-3 |
ROM REVISION WARNING | The software versions don’t match. | Call a tech. | 576013-610, p. 29-3 |
SERVICE NOTICE | A service session is on. It ends within 8 hours. | Nothing. It clears by itself. | 576013-610, p. 29-3 |
SERVICE REPORT WARN | The monitor called out a service report. | Nothing. It clears by itself. | 576013-610, p. 29-9 |
SOFTWARE MODULE WARN | The software module is wrong or can’t be read. | Call a tech. | 576013-610, p. 29-3 |
SYS MAINT NVMEM ERR | The maintenance history memory card was removed. | Call a tech. | 576013-610, p. 29-3 |
SYS MT SER CARD ERR | The maintenance history serial card was removed. | Call a tech. | 576013-610, p. 29-3 |
SYSTEM SELF-TEST ALM | The backup battery was switched on too early at startup. | Call a tech. | 576013-610, p. 29-4 |
TOO MANY TANKS | More tank probes are connected than the monitor allows. | Call a tech. | 576013-610, p. 29-4 |
TRANSACTION ALARM | No sales data is coming from the dispenser interface. | Call a tech. | 576013-610, p. 29-16 |
WRONG SOFTWARE WARNING | TLS-350 software is installed in a TLS-300. | Call a tech. | 576013-610, p. 29-4 |
Good to know
- A message starts with the device’s letter and number.
- T is a tank, L a liquid sensor, Q or P a line leak detector.
- Vapor monitoring messages aren’t listed here.
Need a tech?
One request. Up to 4 licensed techs call.
Request a techRelated
Sources: Veeder-Root 576013-610, Rev AC (2013), Veeder-Root 577014-243, Rev C (2026), Veeder-Root 576013-818, Rev AB (2021).
Rows checked against the manual October 18, 2026.
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