Water Pump Quit, Extremely Hot to Touch - Escape Trailer Owners Community

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Old 09-06-2014, 05:42 PM   #1
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Water Pump Quit, Extremely Hot to Touch

We had an interesting issue with the water pump today. Suddenly quit working after having no '"visible" problems. I reached into the water pump and it was too hot to touch. After letting it cool for a bit it worked just fine. Any ideas, is it starting to go out? Currently we are running on solar but batteries have a good charge.

TIA,
Steve
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Old 09-06-2014, 06:32 PM   #2
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Howdy Steve,

First thing I'd check is the pump inlet - most of them have a small screen filter there. If its clogged of course the pump won't work right. Maybe it could cause overheating?

Is it an Artis pump? There have been problems reported on a number of sites with the Artis pumps. The Shurflo is a "direct replacement" if you need to replace it.

Shurflo Revolution RV 12V Water Pump 3GPM - $59.99
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Old 09-06-2014, 07:28 PM   #3
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Robert,
Yes it is an Artis. I may try to pick up a replacement just to have. But an additional piece of info. I just did the dishes (I always trickle the water vs "running" it) and the pump heated up quite quickly. When we get to a CG with hookups I will drain the water tank and check the inlet screen. Will post my findings.

Steve
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Old 09-06-2014, 08:14 PM   #4
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Good to know Steve.
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Old 09-06-2014, 08:47 PM   #5
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I too would first be suspect of it not getting water for some reason. Regardless of the problem, it sure sounds like the pump could be toast.
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Old 09-06-2014, 09:19 PM   #6
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Could it be the trickling of the water rather than "running" the water? Just a thought.

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Old 09-06-2014, 10:03 PM   #7
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Originally Posted by craigolsen View Post
Could it be the trickling of the water rather than "running" the water? Just a thought.

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Shouldn't make a difference. The pump's job is to maintain a constant pressure in the lines, whether you run the water a little or a lot. Steve is probably trickling the water in order to conserve it. A well functioning pump works either way.
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Old 09-06-2014, 10:41 PM   #8
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I'm not an expert by any means, but I would imagine that water flowing through the pump is the means by which it is cooled. If that assumption is correct, then it must be running dry if it is getting hot. I would therefore lean in the direction that the filter is plugged, blocking water flow. On the other hand, can the pump motor be heard running when demand is created? If not, then the problem is probably more serious than a plugged screen. And if it quit suddenly rather than gradually...... Again, just me thinking out loud.
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Old 09-06-2014, 10:49 PM   #9
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I don't know if the water provides much cooling for the motor, since it only goes through the pump head, but certainly a stalled electric motor get hot fast - lots of current and no airflow. Could it be jamming, so it doesn't turn at all for some periods?

When the water is "trickled", the pump should cycle on and off as required to maintain pressure (as Robert mentioned). Is it cycling (typically goes on for only a second or two, then off for a similar time), or is it running steadily even for this low water flow?
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Old 09-06-2014, 11:30 PM   #10
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Quote:
Originally Posted by Brian B-P View Post
I don't know if the water provides much cooling for the motor, since it only goes through the pump head, but certainly a stalled electric motor get hot fast - lots of current and no airflow. Could it be jamming, so it doesn't turn at all for some periods?

When the water is "trickled", the pump should cycle on and off as required to maintain pressure (as Robert mentioned). Is it cycling (typically goes on for only a second or two, then off for a similar time), or is it running steadily even for this low water flow?
Yep, that's the question. If the pump STAYS on it may have a faulty pressure sensor and doesn't know when to cycle. That'd make it run hot too. I would still check the inlet to make sure there is nothing obstructing it though.
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