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Thread: Pump burned?

  1. Back To Top    #1

    Pump burned?

    Hope somebody can help.

    After cleaning my pool yesterday I started the pump and I inadvertently pressed the "AUX 1" switch at the same time ("AUX 1" switch is for the the spa aerator that we never use). The pump stopped working (it did humming for few seconds and then nothing happened) . I think I smelled something. Tried to start the pump few times but no luck. Put the pool on "service" mode immediately and left it like that whole night.

    When I tried to start the pump this morning again, it did humming for few seconds and again completely quiet. I saw smoke coming out of the pump (from the middle of the pump - where the motor and the pump casing joins - not from the back of the pump or from the top where the capacitor is there).

    Any idea what could be wrong? It's an AOSB2979 (A.O. Smith 2 H.P Round Flange Dual Speed) pump and I just replaced it in October (five months ago). Do I need to replace the whole pump or the capacitor or anything else?

    I got an automatic control system, could something inside that be wrong?

    Thanks so much for your kind help.
    NUbee!
    Rancho Santa Margarita, CA
    Gallons? Unknown. Medium sized pool.
    Filter? I think cartidge. Big beer can looking device with pressure valve on top running around 30 PSI
    Inground plaster pool.
    Spa above spills into pool. Waterslide above Spa spills into pool.
    Heater: Purex Triton MiniMax
    Vacuum: Hayward Navigator
    Pool guy does regular water maintenance.

  2. Back To Top    #2

    Re: Pump burned?

    If you saw smoke, the motor's gone. Since it's new, I suspect that it was miswired. Can you show the wiring in the automation box?
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  3. Back To Top    #3

    Re: Pump burned?

    Thanks James for your quick response.

    Hmmmm, about the wiring -- I did exactly the same as the older pump. If if it were misswired - do you think it would run for 5+ months?
    NUbee!
    Rancho Santa Margarita, CA
    Gallons? Unknown. Medium sized pool.
    Filter? I think cartidge. Big beer can looking device with pressure valve on top running around 30 PSI
    Inground plaster pool.
    Spa above spills into pool. Waterslide above Spa spills into pool.
    Heater: Purex Triton MiniMax
    Vacuum: Hayward Navigator
    Pool guy does regular water maintenance.

  4. Back To Top    #4

    Re: Pump burned?

    Let's look at the wiring in the automation. I'm thinking that maybe high and low got powered at the same time.
    Support the site

    Trouble Free Pool is a free resource. The people who answer questions are volunteers. If you find the site to be a good resource, please consider making a donation to help support the site. Thanks.

  5. Back To Top    #5

    Re: Pump burned?

    Thanks again James.

    Yeah, that could be the issue. Since I pressed the Aerator switch on while the pump was also on - and that could mean high and low got powered at the same time - right?

    If the motor is burned, do I have to replace it or there is a cheaper way to rework this?
    NUbee!
    Rancho Santa Margarita, CA
    Gallons? Unknown. Medium sized pool.
    Filter? I think cartidge. Big beer can looking device with pressure valve on top running around 30 PSI
    Inground plaster pool.
    Spa above spills into pool. Waterslide above Spa spills into pool.
    Heater: Purex Triton MiniMax
    Vacuum: Hayward Navigator
    Pool guy does regular water maintenance.

  6. Back To Top    #6

    Re: Pump burned?

    What automation do you have?

    You might be able to file a warranty claim on the motor.

    If the wiring is correct, high and low should not be able to be powered at the same time.
    Support the site

    Trouble Free Pool is a free resource. The people who answer questions are volunteers. If you find the site to be a good resource, please consider making a donation to help support the site. Thanks.

  7. Back To Top    #7

    Re: Pump burned?

    Ok, sounds great. Let me take photos etc and I will get back to you.

    Thanks so much again.
    NUbee!
    Rancho Santa Margarita, CA
    Gallons? Unknown. Medium sized pool.
    Filter? I think cartidge. Big beer can looking device with pressure valve on top running around 30 PSI
    Inground plaster pool.
    Spa above spills into pool. Waterslide above Spa spills into pool.
    Heater: Purex Triton MiniMax
    Vacuum: Hayward Navigator
    Pool guy does regular water maintenance.

  8. Back To Top    #8

    Re: Pump burned?

    Dear James,

    It's an "AquaLink RS by Jandy" control board. Sending you some photos - hope these help. Again - the pump ran perfect for ~ 5 month; I am thinking it burned when I pressed the "AUX1" switch while the "Filter" switch was ON. Just checking if replacing the pump will be a good option - otherwise in case something else is wrong, then just installing the new pump may not help? What do you think?

    Thanks again in advance.
    Attached Images Attached Images
    • File Type: jpg 4.jpg (79.0 KB, 31 views)
    NUbee!
    Rancho Santa Margarita, CA
    Gallons? Unknown. Medium sized pool.
    Filter? I think cartidge. Big beer can looking device with pressure valve on top running around 30 PSI
    Inground plaster pool.
    Spa above spills into pool. Waterslide above Spa spills into pool.
    Heater: Purex Triton MiniMax
    Vacuum: Hayward Navigator
    Pool guy does regular water maintenance.

  9. Back To Top    #9

    Re: Pump burned?

    Take a look at this thread. It has information similar to your situation.

    2-Speed Northstar pump only works in low speed

    See if the information helps you work through the problem and post back as needed.

    Go through the wiring to see if it was done correctly.
    Support the site

    Trouble Free Pool is a free resource. The people who answer questions are volunteers. If you find the site to be a good resource, please consider making a donation to help support the site. Thanks.

  10. Back To Top    #10

    Re: Pump burned?

    Thank you James, let me review that.
    NUbee!
    Rancho Santa Margarita, CA
    Gallons? Unknown. Medium sized pool.
    Filter? I think cartidge. Big beer can looking device with pressure valve on top running around 30 PSI
    Inground plaster pool.
    Spa above spills into pool. Waterslide above Spa spills into pool.
    Heater: Purex Triton MiniMax
    Vacuum: Hayward Navigator
    Pool guy does regular water maintenance.

  11. Back To Top    #11

    Re: Pump burned?

    Aux 1 should not have had any effect on the pump. Did the wiring get changed in the box?

    Did the new motor get wired exactly like the old motor?

    It might be worthwhile taking the motor to an electric motor shop for evaluation.
    Support the site

    Trouble Free Pool is a free resource. The people who answer questions are volunteers. If you find the site to be a good resource, please consider making a donation to help support the site. Thanks.

  12. Back To Top    #12

    Re: Pump burned?

    Thanks again James and sorry for the late response as I had some other pressing honey-dues

    No, nothing got changed in the box. And the new motor got wired exactly like the old motor. Please note that it ran for 5 months very well - with no issues at all. I am really puzzled what exactly caused the issue.

    I spoke with the store - they will replace the motor. But again - I am thinking what if something else is wrong?
    NUbee!
    Rancho Santa Margarita, CA
    Gallons? Unknown. Medium sized pool.
    Filter? I think cartidge. Big beer can looking device with pressure valve on top running around 30 PSI
    Inground plaster pool.
    Spa above spills into pool. Waterslide above Spa spills into pool.
    Heater: Purex Triton MiniMax
    Vacuum: Hayward Navigator
    Pool guy does regular water maintenance.

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