Question about Hayward SUPERPUMP 2.0 HP, 115/230V

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Two hot wires one ground

I had a hsyward superpump and it went out. I then changed the capsitor and worked for a while. Next it started to chip in and out before it stopped completly. I bought a new motor and nothing happened. I have takin the motor back and they test it on 110v and it worked. I have sinced tested my wires the black was 120v, white 120v and the ground. What's next??

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  • kareem_brown Jul 23, 2009

    Boyh the black and the white wires are coming off the switch in the box. Both have 120v when tested agianstthe ground wire. When I test them agianst each other I get 0volts. whats next?? When I test both to gether agianst the ground I still get 120v.


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I'm say 120v on white, I want you to check 'between' the white and black for 120 volts. I think you may have 240 volts. Check it...

Posted on Jul 22, 2009

  • Craig Butler
    Craig Butler Jul 23, 2009

    This indicates the white neutral wire is open going back to your power source. The black is the 'hot' and it's feeding through the motor and back on the white wire, that's why you read 120 volts to ground on the white. But it is 'open' and not getting back to the source. Trace the white back and check all the connections all the way back to your source voltage coming in.

  • Craig Butler
    Craig Butler Jul 23, 2009

    One more thing. You said the black and the white come from the switch. The white wire is never ''switched' (it should feed around the switch, only black is switched). Make sure that the switch does not switch or 'open' the white wire. With the switch turned on, you should see 120 volts when testing across the black to white.


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