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Thread: Help - how to troubleshoot my pump / motor

  1. Back To Top    #1

    Join Date
    May 2010
    Location
    Arizona
    Posts
    20

    Help - how to troubleshoot my pump / motor

    TFP contributors,

    I just noticed that my pump died (at least that's what I think).

    How do I confirm this? I had the pool in a pretty bad condition owing to my work related travel. I shocked it yesterday evening and ran the pump all night - and got the pool looking good this morning. There were some spots - but I think I will need to brush them some more. This is beside the point.

    This morning about an hour ago - my pump / motor stopped. There is no noise, the intermatic switch is in the on position. The chlorinator is reporting no flow. I turned off and on and all I could hear is the chlorinator making a clicking noise - but the pump is not functioning.

    Any thing I can check before making the decision to replace the motor? I checked the circuit breaker to see if the circuit was tripped - but it did not.

    Ram
    IG Pebble Sheen Pool - 12,300 gallons
    Pentair Triton-II Sand Filter,
    Hayward Super II Pump - Model K48N2N104, 2.0 HP motor
    Hayward Swimpure Plus SWG with T-Cell 15
    The Pool Cleaner 2 wheel connected to a separate suction line

  2. Back To Top    #2
    Texas Splash's Avatar
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    Jun 2014
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    South-Central Texas, Marion/San Antonio
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    12,979

    Re: Help - how to troubleshoot my pump / motor

    Just grasping for straws here ... I don't supposed your particular model has its own "trip switch" does it? Mine does not, but I don't know your model number. Actually, that's something you might want to list for everyone else reviewing ... your pump model number.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

  3. Back To Top    #3

    Join Date
    May 2010
    Location
    Arizona
    Posts
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    Re: Help - how to troubleshoot my pump / motor

    My pump is Hayward Super II Pump
    Model K48N2N104
    2 HP motor

    I have updated my signature as well.
    IG Pebble Sheen Pool - 12,300 gallons
    Pentair Triton-II Sand Filter,
    Hayward Super II Pump - Model K48N2N104, 2.0 HP motor
    Hayward Swimpure Plus SWG with T-Cell 15
    The Pool Cleaner 2 wheel connected to a separate suction line

  4. Back To Top    #4
    Richard320's Avatar
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    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: Help - how to troubleshoot my pump / motor

    My first guess, since you're in Arizona and it was running all night is a thermal overload tripped. And lo and behold, the manual says

    NOTE - Your Hayward pump motor is equipped with an “automatic thermal overload protector.” The motor will automatically shut off if power supply drops before heat damage can build up causing windings to burn out. The “thermal overload protector” will allow the motor to automatically restart once the motor has cooled. It will continue to cut On/Off until the problem is corrected. Be sure to correct cause of overheating
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Texas Splash's Avatar
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    Jun 2014
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    South-Central Texas, Marion/San Antonio
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    12,979

    Re: Help - how to troubleshoot my pump / motor

    Great. Let's see what we can dig-up for you amongst the TFP community. .... and there you have it.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

  6. Back To Top    #6

    Join Date
    May 2015
    Location
    Mount Cheaha Alabama
    Posts
    250

    Re: Help - how to troubleshoot my pump / motor

    If you use a circuit breaker to turn the pump on and you hear nothing - no hum nothing at all, you need to check for voltage at the motor first, requires a meter or voltage pen.
    If you have a hum possibly a bad start capacitor or seized bearings, the later is not worth attempting replacement unless your motor/pump is out of the elements.
    30k in ground vinyl lined pool surrounded by decking in the woods.
    Hayward sand filter circa mid 80's
    If there is a way to do things less expensively and yield a superior product I am all ears

  7. Back To Top    #7

    Join Date
    May 2010
    Location
    Arizona
    Posts
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    Re: Help - how to troubleshoot my pump / motor

    Quote Originally Posted by Richard320 View Post
    My first guess, since you're in Arizona and it was running all night is a thermal overload tripped. And lo and behold, the manual says

    NOTE - Your Hayward pump motor is equipped with an “automatic thermal overload protector.” The motor will automatically shut off if power supply drops before heat damage can build up causing windings to burn out. The “thermal overload protector” will allow the motor to automatically restart once the motor has cooled. It will continue to cut On/Off until the problem is corrected. Be sure to correct cause of overheating
    Richard, yes this seems to be the case. I was able to turn on the pump last night. I have always had it running during the day time, I think I have to switch to night time so that the pump does not get over heated. We have had some high temps recently. It is only going to get worse. May be I should start working on getting a replacement pump - possibly a variable speed one.

    Thanks to all - this is a great forum and I have had help here off and on. Appreciate the time and effort by the contributors.

    Ram
    IG Pebble Sheen Pool - 12,300 gallons
    Pentair Triton-II Sand Filter,
    Hayward Super II Pump - Model K48N2N104, 2.0 HP motor
    Hayward Swimpure Plus SWG with T-Cell 15
    The Pool Cleaner 2 wheel connected to a separate suction line

  8. Back To Top    #8
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: Help - how to troubleshoot my pump / motor

    Quote Originally Posted by ifmx4ever View Post
    Richard, yes this seems to be the case. I was able to turn on the pump last night. I have always had it running during the day time, I think I have to switch to night time so that the pump does not get over heated. We have had some high temps recently. It is only going to get worse. May be I should start working on getting a replacement pump - possibly a variable speed one.

    Thanks to all - this is a great forum and I have had help here off and on. Appreciate the time and effort by the contributors.

    Ram
    Any way to rig up a small shade over the pump? A sawhorse with a white garbage bag over it would deflect a lot of the solar load. Just don't restrict the air flow.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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