I HAVE A MAGNUM FORCE PUMP. iT WAS RUNNING THIS MORNING FINE. CAME HOME IN THE AFTERNOON AND POOL WAS NOT RUNNING. TURNED OFF PUMP (REALLY HOT) AND WAITED ABOUT 20 MINUTES. WHEN I HIT THE SIWTCH IT JUST HUMS. I REPLACED CAPACITOR TWO YEARS AGO. OVERALL PUMP AND MOTOR IS 10 YO.
I have a jacuzzi 1.5 moter about 3 years old, it run for about 1 hour heats up and shuts off while also turning the breaker off...
It could be the capacitor again, but most likely if it stopped while running, its not that, unless you had a brief power failure. The motor may have a built in thermal overload which turned the pump off. If it only humms then it could either be locked up by something in the impller, or could be the bearings in the motor have failed. If the motor doesn't smell "burnt" then you might stand a change to disassemble the pump. Disassemble the motor and replace bearings. Replace the mechanical seal while you have it apart. OR you could buy a new motor, as it is 10 years old.
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