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Old 12-19-2013, 09:19 PM   #1
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Well pump won't run


I have a well that has been running fine for a while. Today, we lost our water. I noticed that the pump would run for under a second, then stop. It repeats this every minute or two. I replaced the pressure switch, but the same thing happens. What should I look at next? I'm having trouble finding much info about this online.
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Old 12-19-2013, 09:34 PM   #2
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What type of well and pump do you have? Is this a fairly new set-up to you? Does the system have a pressure gauge and what does it read? Has a valve been turned off? Is a filter possibly plugged?l

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Old 12-19-2013, 09:59 PM   #3
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I'm not sure of the type, I don't see anything on the tank or pump indicating that. There's no filter by the tank, so I don't think that I have one. I have a water softener, but I tried bypassing it and the well kept doing the same thing. It isn't too new of a setup for me, I've been living in the house for a year and a half. I had a problem about a year ago and replaced the pressure switch and everything ran fine. I put a new pressure switch on again because there was a lizard that got zapped across the two hot wires when I checked after losing water. Didn't make a difference, though. There is no pressure gauge, although I have one that I can screw on to a spigot that comes out from the well.

Last edited by xelaw; 12-19-2013 at 10:03 PM.
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Old 12-19-2013, 10:02 PM   #4
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Is this start while the water is running or when the water is shut off.
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Old 12-19-2013, 10:04 PM   #5
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I'm not sure what you mean, but the behavior is the same whether something is open or not. The pump turns on for less than a second every minute or so, then immediately turns off.
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Old 12-19-2013, 11:03 PM   #6
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Quote:
Originally Posted by xelaw View Post
I have a well that has been running fine for a while. Today, we lost our water. I noticed that the pump would run for under a second, then stop. It repeats this every minute or two. I replaced the pressure switch, but the same thing happens. What should I look at next? I'm having trouble finding much info about this online.
QUOTE: Today, we lost our water.

If you mean you have no water at all, ohm the pump motor to determine its condition.

http://www.deanbennett.com/testing-s...ump-motors.htm
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Old 12-20-2013, 07:40 AM   #7
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Your symptoms almost sound like a waterlogged pressure tank.
How is the water flow from a faucet when the pump is turning on for one second off again?
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Old 12-20-2013, 10:16 AM   #8
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I didn't check the motor's resistance, but I'll try later.

How can I tell if the tank is waterlogged?

After the pump runs (it's probably not even for one full second), there's a tiny bit of water that will come out of the faucet at the foot of the tank if I open it. There's no pressure though.
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Old 12-20-2013, 02:16 PM   #9
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If the tank is waterlogged, the pressure gauge will swing wildly. The pump will run and the gauge will swing instantly to the shut off pressure. Open every faucet you can. Flush all the commodes. Then start the pump and see if it continues to run for a length of time. If the switch is adjustable, make sure the start and stop settings are adjusted properly. Make sure that the pressure line from the pump to the switch is not clogged or kinked. Shut off the pump and drain the tank. Then close the tank drain and pump the tank with air until it is 2 pounds lower than the start pressure of your switch. In other words if you have a switch set at 30psi on 50psi off, then charge the tank to 28 pounds. Then turn the pump back on. Final thought. Check to see if the switch has a low pressure cut off. If it does, you might have to hold the switch on until it builds enough pressure to keep running on it's own.
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Old 12-20-2013, 02:55 PM   #10
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Is the pump in the well or above ground?
Defective pump motor going into overload?
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Old 10-02-2016, 12:22 PM   #11
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Re: Well pump won't run


The problem was the control box. I replaced it and everything works now.
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