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Pool pump won't shut off

Help. My pool pump won't shut off. It's on a timer but when either the timer goes off or when I push the control button manually, the pump just keeps running. The only way I can get it to stop is to physically cut the power to the pump. I don't know if I have a problem with the pump, with an electrical switch, or if maybe there is a pressure or obstruction issue causing this. I'm at work so I don't have the motor specs with me but I belieive it's a Pentair. I pulled the top cover and I remembere seeinig a Magnetek 9949 capacitor on top of it.

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  • astoller Nov 13, 2008

    None of the above are applicable. It's worked for 8 years and just had a problem now and the timer is fine (everything else on the timer works great).

  • dgbeas Dec 03, 2008

    I am having the same problem.

    Pump and timer have been working fine until yesterday, when I noticed the pump was running at an odd time that I knew wasn't programmed with the timer.

    I tried to manually switch the motor off, but the switch was already in the "off" position! The manual switch no longer has any effect on the motor. The only way I can turn it off is to cut power at the circuit breaker.

    I assume the timer needs to be replaced( it is obviously old )???

  • jerry196 Dec 30, 2008

    I have the a similar issue but with a little more info:
    I am using a pentair controller.
    I disconnected the freeze still runs.
    I swapped relay feeds on the control board and it still runs.

    Any thoughts?

  • lillrider13 Feb 21, 2009

    I have a Jacuzzi 5' x 3' jetted tub. It has a 3 button control panel. The center button when pressed turns the jets on. When you de-press it, it normaly turns the jets off. The button is stuck in the downward position and the tub had to be turned off at the breaker. After unscrewing the 6 screws that hold the panel plate on, and taking a blade and positioned it between the plate and the tub to release any adhesive / silicone / or gasket, the plate still won't come off.

  • em_at_602 May 03, 2009

    The pool pump would not shut down with manual switch on timer. I replaced timer and wired it the same way the old one was when it worked. The new timer still does not shut down pool pump with the manual lever. Only shuts down from circuit breaker. I appreciate your help.

  • davekb May 22, 2009

    just replace a 4 way switch on a 230v pool pump. There was power to old switch but not to motor. when i hooked up new switch pump starting running but when I shut switch off pump keeps running. Is new switch possibly bad. I have two wires coming from 50 amp breaker in basement thru conduit. One wire is orange and the other is blue. two yellow 14 ga wires run to the pump motor and there is a green ground wire from basement too. I hooked them up the same as the old switch. Why would it still be running. I moved the wires aroung to no avail. thank you



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1) timer is on over ride
2)timer faulty -replace timer
3)wiring done incorrectly -power to pump is still present when timer goes off

Posted on Nov 13, 2008

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Posted on Jan 30, 2009


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