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Open Roads Forum  >  Tech Issues

 > Water pump runs continually

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IamSiler

Georgia

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Joined: 01/06/2022

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Posted: 01/09/22 10:25am Link  |  Print  |  Notify Moderator

We purchased a used MH Sand are on our first trip with it. We are new to RVing as well. The water pump runs continuously. We watched a YouTube video about getting an open valve closed and went through the steps twice and it hasn’t helped.
Is there anything else we can check before we take it in to the repair shop?

way2roll

Wilmington NC

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Posted: 01/09/22 10:40am Link  |  Print  |  Notify Moderator

Only a few things will allow a water pump to run continuously - an empty fresh water tank, a bad check valve, or a leak.

Do you have water in your fresh water tank?

Are you hooked up to a water connection? And if so are you leaving your pump on?

Are your valves set appropriately?

Is there evidence of a leak somewhere?

Was there any sort of pre-delivery inspection done on this MH?


By the way, did you get your light switch sorted out?


2020 F350 STX 6.7L Turbo Diesel
2020 FR Cedar Creek Silverback 29rw

dougrainer

Carrolton, Texas

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Posted: 01/09/22 10:40am Link  |  Print  |  Notify Moderator

The most common cause of this type problem is, you have your City Water tank fill valve OPEN. This will cause the pump to continually recycle the water. I also assume it will turn OFF when requested to do so? From the Pump On/Off switch?. Now, if you are connected to City Water and that valve is left open, your fresh tank will overflow. You are new to the forum. ALWAYS, list Year/Make/Model/Chassis of RV when posting. Or put this info in your profile. Doug

MFL

Midwest

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Posted: 01/09/22 10:42am Link  |  Print  |  Notify Moderator

A few basic questions

Is there ample water in the fresh tank?
Are you allowing enough run time to fill water heater?
Is the valve for winterizing in the proper position?
Are you opening a single faucet to allow air to escape?

A knowledgeable friend, with more RV experience may be able to help with diagnosis, rather than taking to dealer.

Jerry





enblethen

Moses Lake, WA

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Posted: 01/09/22 10:45am Link  |  Print  |  Notify Moderator

Verify the fill valve is in the run position, if equipped.


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IamSiler

Georgia

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Posted: 01/09/22 11:21am Link  |  Print  |  Notify Moderator

dougrainer wrote:

The most common cause of this type problem is, you have your City Water tank fill valve OPEN. This will cause the pump to continually recycle the water. I also assume it will turn OFF when requested to do so? From the Pump On/Off switch?. Now, if you are connected to City Water and that valve is left open, your fresh tank will overflow. You are new to the forum. ALWAYS, list Year/Make/Model/Chassis of RV when posting. Or put this info in your profile. Doug


Liste the info I could in the profile. Some of their selections are outdated and don’t have years past 2020

Thermoguy

Graham, WA

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Posted: 01/09/22 11:26am Link  |  Print  |  Notify Moderator

I am unfamiliar with your rig, but if you are connected to city water, turn your pump off. You only use your pump when you are not connected and using your fresh water tank. By hooking to city water, you bypass your pump and water tank.

IamSiler

Georgia

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Posted: 01/09/22 11:44am Link  |  Print  |  Notify Moderator

Problem solved!! I was right. User error

Thank you all for the responses

IamSiler

Georgia

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Posted: 01/09/22 11:45am Link  |  Print  |  Notify Moderator

Thermoguy wrote:

I am unfamiliar with your rig, but if you are connected to city water, turn your pump off. You only use your pump when you are not connected and using your fresh water tank. By hooking to city water, you bypass your pump and water tank.


This solved the problem. We are newbies so thanks for your patience

IamSiler

Georgia

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Posted: 01/09/22 12:06pm Link  |  Print  |  Notify Moderator

Well now we are back to our original problem. When we turn the city water faucet on it leaks out around where the water filter is. I’m sure there is probably some kind of tank there but I don’t know what it is called.
I forgot that was why we turned the faucet off.

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