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Thread: Pump getting hot

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    kcjonz's Avatar
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    Mar 2010
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    Charlotte, NC
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    Pump getting hot

    I've seen some discussions on here regarding pumps over heating but still can't determine if mine is shot. I have a AO Smith B945 dual speed motor. Today I came home and it was not running during a scheduled run time. It heard it clicking trying to turn back on. It was extremely hot. It will start run for 4-5 seconds then shut off on high. It will start up and run for 20-30 minutes on low, but has a burning electrical smell. After it shuts off then cools down, you can hear a click in the motor at which point I can turn it back on.

    I checked voltage at the Intermatic controller and everything seems fine.

    Any ideas if this may be capacitor(s), impeller or just a totally bad motor. Or simply the heat outside which in the high 90s with 70-80 humidity. I just bought the house 2.5 years ago and I'm guessing the pump is at least 7-8 years old.
    ____________________________________________
    18 x 36 IG Vinyl (28,000 G), AquaRite Goldline T15 SWG, Intermatic PE153, 1/6 - 1 HP Pump, Triton Sand Filter, TigerShark QC

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    Mod Squad Bama Rambler's Avatar
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    Jun 2009
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    Re: Pump getting hot

    It sounds like the motor has failed and is tripping the thermal overload. You can try replacing the capacitor but if it's happened a few times it's most likely got the windings. I'd just replace the motor in kind and then you know it'll be fine.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    kcjonz's Avatar
    Join Date
    Mar 2010
    Location
    Charlotte, NC
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    26

    Re: Pump getting hot

    Thanks for the reply. I was thinking the same thing. Especially since I have no idea how old the motor is. I kind like the piece of mind to know about my equipment, I think that might be worth the couple hundred dollars for the new motor.
    ____________________________________________
    18 x 36 IG Vinyl (28,000 G), AquaRite Goldline T15 SWG, Intermatic PE153, 1/6 - 1 HP Pump, Triton Sand Filter, TigerShark QC

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