Question about Hayward Northstar Dual Speed Max Rate 2 Hp Pump

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Motor hums then throws breaker

My pump is not always coming on. it throws the breaker, if i manually turn the timer switch on and off several times it hums several times then kicks it. could this be the winding or something else....help.

I have a hatward north star 2 hp

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More than likley it is a starting capacitor in the back of the motor. With the breaker off remove the back of the motor and remove the clamp on the capacitor use a rag or wear gloves as the capacitor may have leaked. If it smells burnt or is leaking it is probally bad and needs to be replaced, Replace it with an exact duplacate. If this dosen't fix the problem then it is probally a winding problem and you will need to replace the motor but the capicator at twenty to fourty dollars is worth a try first.

Posted on Aug 24, 2009

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Pump humming means start capacitor is bad on motor, and motor is overheating and will soon burn out unless serviced immediately. First symptom is humming, and next is tripped breaker. Overheating will melt this pump.
Timer issue probably separate, such as clock motor burned out, or overheating melted terminals inside timer.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
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http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#T100

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Add a comment if this is incorrect since wiring information is based on this assumption.

(1) Wiring problem:
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geno_3245_272.jpg

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Fixya downgrades image so it's hard to see.
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geno_3245_171.jpg
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geno_3245_172.jpg
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Motor hums then clicks off


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