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Thread: Two speed pump no low speed

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  1. #1
    Join Date
    May 2011
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    Default Re: Two speed pump no low speed

    Al, got a new toggle switch, wired it up and put the motor back together. The motor will start on high speed but will not start in low speed, just hums. However, When the motor is running on high and I flip the switch to low it continues to run on low with no problem. There is only one capacitor mounted on top of the exterior of the motor housing. The centrifugal switch seemed to move freely and I cleaned the contacts off with some emery cloth. Any ideas? Thanks again

  2. #2
    Poconos is offline SuperMod Emeritus Whizbang Spinner Poconos 4 stars Poconos 4 stars Poconos 4 stars Poconos 4 stars Poconos 4 stars Poconos 4 stars
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    Default Re: Two speed pump no low speed

    Definitely something in the starter circuit for the low speed. On any of these type motors, when you lose the starter, you can get it going in either direction by spinning it manually. That's what's happening when you flip from hi to lo. To be honest I'm not sure how the starter circuits are configured for two speed motors. Never had to look into it. I'll see what I can dig up.
    Al

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