Question about Hayward TRISTAR INGROUND POOL PUMP - 2 HP -

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Have voltage to the Hayward Tristar pool pump but it won't run!

Have voltage to the Hayward Tristar pool pump (which just bench checked fine) but when connected to the intermetic timer it will not run...No humming...basically dead...replaced the wiring between the timer and the pump...still nothing...yet the tech at the pool store say it runs fine on the bench...any ideas?

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SOUNDS LIKE YOU HAVE A BAD BREAKER.. THIS IS A GRAVY FIX.. I SEE A VOLT METER IN YOUR FUTURE YES ITS ONE TO CHECK 230 V AC .. YOU LOCAL CAR PARTS STORE HAS THESE CHEAP .. ASK HOW TO USE IT AND YOUR OFF.. WHAT WE ARE LOOKING FOR IS 230 240v IN THAT RANGE ON THE 2 WIRES ON THE BACK OF THE MOTOR... OR EVEN THE TIMER.. NO?.....BREAKER NO? REPLACE BREAKER... BREAKER YES.. CHECK TIMER CONTACTS .. don't forget to prime your pump after a repair !!!!!!!!.. did i help ? well then please vote.. I got to get back to fix'n the pool pumps here in Florida ... Jay .. PPRG

Posted on Aug 03, 2010


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I have voltage to a Hayward Tristar pool pump...won't run!

Thank you for posting your question here on

If you are certain of your test results and the line connections being on the correct terminals in the motor the only explanation is an open connection within the motor and the need for it to be repaired or replaced. Of course if it tests fine on a bench even after your trial on site it would seem far more likely there is a wire in the wrong spot. Triple check the connection diagram on the motor to your lead placement one more time and if you are sure everything is as it should be you’ll need to have it looked at be a motor shop to see if the motor can be repaired for a cost that is reasonable compared to the price of new.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


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