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Pool motor problem....

Posted on 3/7/24 at 8:45 am
Posted by jeffsdad
Member since Mar 2007
21419 posts
Posted on 3/7/24 at 8:45 am
So, about a week ago my pool suddenly lost a large amount of water. Reason is not important, but the issue is resolved. But, when I initially found the pool had lost the water, the pool pump was not running. When I walked over to it, the pump motor came on for about 5 seconds and then went off. It repeated this, off for about a minute and then a 5 second back on. There was no water in the skimmer or housing and it probably "ran dry" overnight. No smell of burnt motor.

I re-filled the pool, water in skimmer and housing. But the motor still does the same...will come on (I can see the motor spinning), but then click off.

Besides massive ignorance, whats the problem here? Thanks in advance!
Posted by BruslyTiger
Waiting on 420...
Member since Oct 2003
4609 posts
Posted on 3/7/24 at 8:58 am to
1) For safety reasons many pool pumps are designed to shut off if they begin to overheat. The pump uses thermal overload switches so if your pump keeps shutting off it could be because these switches are going bad.

2) Another top reason a pool pump keeps shutting off is if it has incorrect voltages. The pump runs off of a motor that requires electricity! If you have a new pump or pool, your pump might be wired incorrectly or loosely!

In the case your pump turns off a few seconds after turning it on you might even have a bad capacitor. Capacitors regulate the amount of power the pump gets and can go bad with age. We can check just to know for sure!

Posted by diat150
Louisiana
Member since Jun 2005
43555 posts
Posted on 3/7/24 at 9:20 am to
my guess is you burnt the seal and now the motor has a bind and is overheating.
Posted by dltigers3
Collierville, TN
Member since Jun 2010
2127 posts
Posted on 3/7/24 at 1:23 pm to
Have you tried re priming the pump basket with water?

Many of them can't self prime and will shut off after a few moments to prevent cavitation and damage

I'd fill the pump basket with water and try to restart
Posted by indytiger
baton rouge/indy
Member since Oct 2004
9834 posts
Posted on 3/7/24 at 6:03 pm to
quote:

In the case your pump turns off a few seconds after turning it on you might even have a bad capacitor


This. My pump had the same symptoms (although wasn't dry) and it was the capacitor. Got a new one at the local appliance repair store for a few bucks and had it running in no time. Watch a quick youtube on how to change them if you never have.

And OP, I know you said its not important, but how'd your pool get so low?
Posted by jeffsdad
Member since Mar 2007
21419 posts
Posted on 3/7/24 at 7:12 pm to
We had foam injected under the deck to stop it from sinking and raise it a bit. Well, the foam followed a crack and poked a hole in liner. I didn’t notice this . Leaked out via hole.
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