Alerts
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Your hub went offline. Was it the power or the internet?
A hub cannot report its own death, so both failures arrive as the same silence. Four ways to tell them apart after the fact, and the wiring that stops the question being ambiguous in the first place.
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Why the hub goes offline every time you pull out of a site
Usually it is only the campground Wi-Fi falling behind you. Occasionally it is a socket switched with the ignition, which makes every drive a blind gap and every winter a write-off. A two-minute test tells you which.
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A sensor went quiet, and the card already knows why
Out of range, out of battery, or somebody picked it up: three causes, one symptom, three different Saturdays. Every clue that separates them is already on the sensor’s own card, in the last frames before it stopped.
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The part nobody sells you
A sensor tells the hub. The hub has to tell you, and that second part is the one that quietly does not work. How to get a connection to your RV, including the storage case where it is hardest and matters most.
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Three reasons the furnace quits, and only one needs a technician
Propane, battery or a fault: the interior temperature says the heat stopped and cannot say which. The readings that can are ones you probably already have, and they decide whether your morning is a fill, a plug-in or a phone call.
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The split shows up at ten in the morning
Ice splits a fitting and then holds its own leak shut, so the expensive hour is the middle of the following morning. Which makes last night’s bay chart a prediction rather than a record.
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The pads are on a switch nobody checks
Holding tanks freeze slower than water lines and cost more when they go. The reading that matters is not the tank temperature – it is the difference between the tank and the bay around it.
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Same water, one night or one winter
The water on the window this morning and the mold behind the mattress in February are the same water, arriving at different speeds. One sensor at the glass predicts tonight; a cheap multipack in the cold corners predicts the winter.
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Fresh going down, gray coming up
A tank that will be a problem on Thursday is already saying so on Tuesday. How to read fresh, gray and black, and why the two directions together catch a leak that neither number catches alone.
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The pump runs, and nobody is using water
A demand pump only runs when pressure falls, so with every tap shut it is either a leak or a passing check valve. One is a floor to replace and one is a job for next month, and one extra reading tells you which.