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What the Beep? - Sensor Fuel Alarm (Sump) Script

Posted by Joseph Holder on 2020-04-15

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Justin: Welcome back to what the beep! We have another question about a different alarm. So we are here to provide that insight to you.

UST Owner: What is an L1 Sensor Fuel Alarm and where is my L1 located?

Justin: There can be lots of sensors at a site, like this one, and they should all be labeled in your tank monitor during installation or maintenance. In this case, you said it was an “L1 sensor.” “L” in tank monitor language means “Liquid Sensor” . You might also see “S” for “Smart Sensor”. But in this case “liquid sensor. ”

UST Owner: I have 16 sensors programmed in my tank monitor...how do I know where each sensor is located?

Justin: I get it. Tank monitors can be a little complicated. But if you dig deep enough into the ATG programming, you may be able to find out where those sensors are located. Or if your ATG is like most there’s going to be a scroll of paper hidden behind the printer with all of your programing in it. If you can decipher that good for you. If you can’t there are systems that can do it for you.

UST Owner: Yeah but my L1 sensor goes into alarm every time it rains...

Justin: This is annoying and can get expensive. But leaving your metal equipment sitting in water can speed up the corrosion process and disguise fuel leaks. It’s a very bad practice.

UST Owner: So I shouldn’t just ignore these alarms then...

Justin: Definitely not. An L1 Sensor Fuel alarm is an immediate environmental risk because you don’t know if fuel or water caused it. You need to get that liquid removed as soon as possible. Don’t take the risk - it’s not worth it.

There ya have it - Sensor Fuel Alarms. Stay tuned for the next episode of “What The Beep!?!?” Where we’ll provide more insight into alarm conditions.

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