Gimpin Posted December 18, 2013 Report Share Posted December 18, 2013 I have a Hayward sp4007x10 pump for my inground pool ... when it turns on it only humms. If I turn it of and back on a few times it will start and run fine. Is my pump going bad or could it be something simpler? Quote Link to comment Share on other sites More sharing options...
brettnolan Posted December 28, 2013 Report Share Posted December 28, 2013 Could be simply a start capacitor going out. Or could be windings inside the motor going out. Might try the capacitor first...much cheaper. Quote Link to comment Share on other sites More sharing options...
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