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My pool pump trips main circuit breaker sometimes when it turns off

Every now and then the pool pump would trip the main circuit breaker when it turns off. I teherefore cannot run it on the timer as this would result in the electricity of the entire house being turned off. I now manually turn it on at the wall socket. An electrician has already replaced the circuit breaker for the pump, but the problem is still persisting. The pool is about 7 years old. The pool pump is also fairly new- think I bought it a year and a half ago. Any advice?

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  • 372 Answers

Get a new electrician! The pool pump should be on its own isolated circuit, usually on no larger than a 30 amp GFCI protected breaker. You said it was replaced but he only treated the symptom, not the cause. This one will take on site troubleshooting to find out why your whole house is affected.

Posted on Jan 12, 2013

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Posted on Jan 02, 2017

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SOURCE: Hayward Swimming PoPump is 4 years old - when I opened pool, pump

it you've inspected all the wiring for possible shorts, the most likely problem is that the motor has developed a short in the windings. You may have to replace the motor. First check for loose connections and make sure the wiring going to the pump is good. Also, check the start capacitor, should be under the hump or under the end cover on the motor. If it's bloated or leaking, it's bad.
Most likely the winding have a direct short.

Posted on Apr 08, 2010

  • 297 Answers

SOURCE: pool pump shutting off/tripping the circuit breaker

What kind of pump are you using?
Sounds like the Intex is restricting water flow there by heating up your pump and shutting it down..
You may need to re plumb everything to handle the flow.
Intex hoses and fittings are different than the industry standards just so the can make you buy from them
Do what ever it takes to get good flow

Posted on Jul 01, 2010

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