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Old 05-10-2021, 03:55 PM   #1
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2018 39a with running water pump

When I turn on my water pump, it won’t shut off, will pull a
Pressure, just won’t shut off when pressurized . Just runs continuously until I manually turn it off.
NO WATER leaks. Bad pump ? Ideas 🧐
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Old 05-11-2021, 04:48 AM   #2
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so the pump cycles on a pressure switch- usually part of the pump. But if I gave air in my system it takes a long time to shut off, so make sure plenty of water in tank and purge ( run ) all faucets till solid water. If that fails to fix it you may need a new pressure switch/pump.
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Old 05-11-2021, 07:06 AM   #3
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Quote:
Originally Posted by rdonihoo View Post
When I turn on my water pump, it won’t shut off, will pull a
Pressure, just won’t shut off when pressurized . Just runs continuously until I manually turn it off.
NO WATER leaks. Bad pump ? Ideas 🧐
I have this exact same problem but ONLY after I am traveling. If the pump switch is turned on while moving it won't shut off. What I do that fixes it temporarily is open the valve that drains the manifold lines for 2 - 3 secs while the pump is on and that gets the pump primed again and it shuts off. It then operates normally while not moving if I am not connected to CG water. This happened after the dealer replaced the original pump under warranty. Now I just try to make sure the pump switch is off while on the road.
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Old 05-11-2021, 03:45 PM   #4
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There is a pressure adjustment on my pump. Might want to back the pressure off a bit.
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Old 05-13-2021, 09:41 PM   #5
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Are you sure you have the selector switch on the right water supply in the wet bay? On mine it is on normal when running from the tank.
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