New answers tagged well-pump
This would appear to be most likely a faulty pressure switch. Start there. The job of the pressure switch is to turn on when the water pressure is low, and turn off when it is high enough - this is most commonly a 20 PSI range (ie, 20-40, 30-50 or 40-60 PSI.) The pump is evidently working. The pressure gauge is evidently working unless you see some ...
You may have a pump protection device controlling power to your pump. If you have this device there may be a problem with it or you pump causing it to act like this. Search "Pumptec Franklin" ours acted similarly when the device faulted.
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