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Thread: pool pump smells "burnt". Saw smoke.

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    pool pump smells "burnt". Saw smoke.

    People,

    Once in a while, with a heavy downpour/storm, pool pump breaker trips in box. I simply trip it back, start pump, no problem. Did it for many years. Today, when starting pump, saw smoke, smelled burnt, while pump struggled to start- eventually ran after say, 2-3 seconds. backwashed, returned in 5 minutes, still smelled burnt- seemed like it could even be from impeller area, not so much the elec connection to the back of pump. I shut off pump, fearing damage. any idea what I could do to check things out?
    Thaks
    16,000 gal in ground, marcite. FL.

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    pwrstrk's Avatar
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    Re: pool pump smells "burnt". Saw smoke.

    Maybe something was caught in the impeller ?


    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    duraleigh's Avatar
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    Re: pool pump smells "burnt". Saw smoke.

    electrical burn usually has a distinct smell....was that it?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: pool pump smells "burnt". Saw smoke.

    yes, definitely- smelled like elec burning, not so much like rubber burn. Man, the smoke initially came from where the elec wires go into the back of motor, I think.
    16,000 gal in ground, marcite. FL.

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    Re: pool pump smells "burnt". Saw smoke.

    Now, what gets me, why didnt the breaker- which I understand is sooo sensitive, didnt trip again>?
    16,000 gal in ground, marcite. FL.

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    Re: pool pump smells "burnt". Saw smoke.

    OK, just came back from there- turned onthe pump and put mu nose right on impeller top, smell there, also smell is in back of pump, appears. Smell everywhere. Does smell like a kind of plastic, now that I reflect on it more, having JUST stuck my nose on the equip,ment.
    16,000 gal in ground, marcite. FL.

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    Smykowski's Avatar
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    Re: pool pump smells "burnt". Saw smoke.

    Probably need to break the whole thing down and find out where the damage is. If it's a switch or a wire, replace it. If it's the windings,time to shop for a new motor. If the wet end is melted, well....
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
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    Re: pool pump smells "burnt". Saw smoke.

    Thanks, TFP- OK, pump now is completely dead. Sheesh.
    16,000 gal in ground, marcite. FL.

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    Re: pool pump smells "burnt". Saw smoke.

    This may not be the area where you smelled it but do you have an extension cord on the pump? We had a 3' heavy duty one and it melted the plugin on the extension cord where the pool pump plugged in. If you dont have an extension cord unplug the pump cord and examine the plugin and socket.
    18,000 Gallon Aboveground. Sand Filter with 2HP 2 speed Pump.

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    Isaac-1's Avatar
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    Re: pool pump smells "burnt". Saw smoke.

    The breaker is only super sensitive to ground faults (shorting to the frame / ground) If the short were between the windings or across a switch and did not draw enough amps to trip the breaker on overload (thermal or magnetic) then such a condition could last for a fairly long time (seconds, minutes, ...), but would eventually likely either melt through something, or burn itself out.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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