Question about Hayward Pool Products Hayward Northstar 1HP Up Rated Pump

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Pump runs for about 3min and shuts off - Hayward Pool Products Hayward Northstar 1HP Up Rated Pump

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It sounds like it is overheating. There is a thermal switch that shuts the motor off if it gets too hot. This may be because the motor is pulling too many amps due to a bad winding or the bearings are starting to seize. The best solution is to replace the motor.

Posted on Jan 12, 2013


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Pump runs for about 3min and shuts off/

That's the motors internal thermal switch doing its job. For some reason your motor is running hot. With the breaker off, remove the end cap on the back of the motor and use a 9/16 open ended wrench to see if the motor shaft turns freely. If it doesn't there may be some debris jammed at the impeller, or the bearings may be failing.
If the shaft moves freely the problem is probably internal to the motor. Usually a bad winding, Northstar pump motors average about 4-5 years, so if it is older than that or getting close the best bet is replacement.

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