Pumps with an internal thermal overload switch will automatically turn off when the pump exceeds a safe temperature.
Water tank pump keeps turning on and off.
How to correct an improperly charged water tank.
Switch clicks on and off repeatedly.
If your pump seems to be cycling turning on and.
If your water tank has been overcharged and is a bladder type you ll probably have to turn off the pump let all the water out of the tank and then reset the air charge to the factory specified pressure for your pump system probably a little under 20 psi for a 20 40 water pump system or a.
This fault is usually caused by issues such as bearing seizure tight rotation.
The switch then powers up the well pump.
This on and off cycle may occur every few minutes and essentially allow the well pump to run practically 24 hours a day causing a high power bill.
If the switch is bad it won t start the well pump and you won t have water so testing the switch is your first step.
When water is running in a building served by a private well and water tank and pump system it is normal for the water pump to cycle on and off to deliver water to the building so here we are not talking about short cycling in which the water pump turns on and off too frequently when water is being run in the building.
Now when we turn on the shower the air in the tank will slowly expand pushing the water out of the shower until eventually the pressure falls to the level at which the pump switches on and.
This enables water from your pressure tank to flow back down into the well which then reduces pressure and signals to the pressure switch to turn the pump on again and pressurize the pressure tank.
You ll find the pressure switch mounted on a 1 4 in.
I called the plumber home after hours and he said to shut the valve to the pressure tank off for 10 minutes and then call him back and let him know if the pump keeps running.
Tube near the pressure tank.
As there are many factors that could be the cause of this we have put together a checklist of the most common problems that can be checked to help you get your pump pumping again troubleshooting checklist for davey household water pumps with a pressure switch.
It did keep running but then there was no answer when i tried to call him back.
It s what senses when water pressure has dropped to the point where the pressure tank requires more water.
Low voltage supply winding failure or rapid cycling.
If the well water pump isn t creating the appropriate pressure it won t signal your pressure switch to turn off and on.
The pump will then start cycling again after it has cooled down.
At some stage during your davey pumps life you might come across a time where your davey water pump is not performing like it should.
Aside from checking the pump check your water pressure gauge to ensure that it s working before diagnosing a pressure switch issue.
