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Old 09-23-2014, 05:01 PM   #11
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As the original post stated, this is for a Forest River Berkshire which does not have a hot water tank, and does not have a fresh water gravity fill. If your fresh water tank has water above the pump suction line, then you should have enough water to operate the pump properly. Ensure all of the lines are purged of air by running all faucets to include the washer lines and ice maker lines also. if you have good water pressure at all faucets then the air should be out of the lines. At this point if the pump is still running, the pump itself is bad or you have a water leak. Sometimes you may have a leak that does not show outside the coach. Ensure all of the basement compartments are not wet. I had a leak at my city input behind the water manifold wall and took a day to notice it. When I saw water dripping out of the awning side wet bay (where the fresh water tank and pump is) I lifted the door and had a huge puddle there. sometimes you may have a small leak enough to keep the pump running but wont see a visible leak unless you follow all the lines. If still no leak, I would try and remove power completely from the pump, fuse, wires etc and see if it will reset itself. Hope this helps.

Jason
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Old 09-23-2014, 08:04 PM   #12
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I would agree with previous post. Most likely an air leak
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Old 09-23-2014, 08:05 PM   #13
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Check connections around water pump. I once used Teflon tape in the same.situation
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Old 09-23-2014, 08:14 PM   #14
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Well the trailer I just traded had a pressure switch on the pump to turn it on and off. Have not picked up my Windjammer yet, but I would guess it will be the same. Pressure switch can and do go bad and that can include sticking closed. I would check the pressure switch. Should be mounted on the discharge side of the pump.
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Old 09-24-2014, 01:21 AM   #15
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On my '11 390RB there is an adjustment on the pump itself (a screw that can be turned) that adjusts the pressure at which the pump starts and stops.

I believe that it could maybe be mal-adjusted enough to cause what you are describing. Just thought....

Boowho??
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Old 09-24-2014, 06:17 AM   #16
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Originally Posted by boowho View Post
On my '11 390RB there is an adjustment on the pump itself (a screw that can be turned) that adjusts the pressure at which the pump starts and stops.

I believe that it could maybe be mal-adjusted enough to cause what you are describing. Just thought....

Boowho??
That "screw" would be the pressure switch.
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Old 09-24-2014, 02:50 PM   #17
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That "screw" would be the pressure switch.
Umm..... Yes, I know that; but just thought it may be out of adjustment??

I know if I set mine all the way in one direction, the pump never comes on, but if all the way the other way, the pump never shuts off.

Boowho??
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Old 09-24-2014, 02:58 PM   #18
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Umm..... Yes, I know that; but just thought it may be out of adjustment??

Boowho??
That was for the OP!!
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Old 09-24-2014, 11:54 PM   #19
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That was for the OP!!
OH!
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