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Thread: Emerson 1.5 heats up burnt smell. Stops and hums

  1. Back To Top    #1

    Join Date
    Jun 2015
    Location
    Charlottesvile/VA
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    6

    Question Emerson 1.5 heats up burnt smell. Stops and hums

    My Emerson 1.5 hp pump heats up after 10 minutes, burnt smell, then stops and hums.
    Since it starts , not start capacitor, correct? Does this pump have a run capacitor? The pump is at least 10 years old.

    no change in voltages or electrical wiring but did not check voltage.

    Checked for debris around pump/ motor but all clear.

    Suction is good. This all started after I back washed. It did this last week as week as well. Heat up burnt smell then it just ran fine.

    Thanks
    Inground pool about 15 years old. 30k gallon. Use it for 3 months each year.
    plaster
    Motor Emerson 1.5 pump is Hayward
    well water
    New Hayward filter and multiport valve installed last year

  2. Back To Top    #2

    Re: Emerson 1.5 heats up burnt smell. Stops and hums

    Model#
    Emerson is a big company they don't make just one model 1.5hp motor.
    Can you take a pic of the schematic?
    24k gallon inground vinyl liner pool, 8'-3' depth, 2 skimmers, 3 returns, basic 5 chem kit.
    Hayward: DE-60 filter, Superpump VS, AquaRite salt chlorinator w/T-Cell 15, TigerShark QC robot. Jacuzzi hot tub ~350gal. Air blower type, w/8 jets.

  3. Back To Top    #3

    Join Date
    Jun 2015
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    Charlottesvile/VA
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    Re: Emerson 1.5 heats up burnt smell. Stops and hums

    C55CXKMC-5013

    volts 230/115
    sfamps 7.8/15.6

    rpm3450
    hz60
    Inground pool about 15 years old. 30k gallon. Use it for 3 months each year.
    plaster
    Motor Emerson 1.5 pump is Hayward
    well water
    New Hayward filter and multiport valve installed last year

  4. Back To Top    #4

    Join Date
    Jun 2015
    Location
    Charlottesvile/VA
    Posts
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    Re: Emerson 1.5 heats up burnt smell. Stops and hums



    - - - Updated - - -

    Attached Images Attached Images
    Inground pool about 15 years old. 30k gallon. Use it for 3 months each year.
    plaster
    Motor Emerson 1.5 pump is Hayward
    well water
    New Hayward filter and multiport valve installed last year

  5. Back To Top    #5

    Re: Emerson 1.5 heats up burnt smell. Stops and hums

    Everything I see is capacitor start, don't see any capacitor run.

    - - - Updated - - -

    At 10 years, why waste the time replacing parts?
    24k gallon inground vinyl liner pool, 8'-3' depth, 2 skimmers, 3 returns, basic 5 chem kit.
    Hayward: DE-60 filter, Superpump VS, AquaRite salt chlorinator w/T-Cell 15, TigerShark QC robot. Jacuzzi hot tub ~350gal. Air blower type, w/8 jets.

  6. Back To Top    #6

    Re: Emerson 1.5 heats up burnt smell. Stops and hums

    Did you check inside the pump impeller for debris, or bearing failure?

    If it is the motor, the centrifugal contacts may be going bad.
    If you run the pump, do you hear it click just after startup?
    Does it click again while running?
    Is the start cap hot when the motor seizes?

    Sounds to me like bearings or wet end issues.
    24k gallon inground vinyl liner pool, 8'-3' depth, 2 skimmers, 3 returns, basic 5 chem kit.
    Hayward: DE-60 filter, Superpump VS, AquaRite salt chlorinator w/T-Cell 15, TigerShark QC robot. Jacuzzi hot tub ~350gal. Air blower type, w/8 jets.

  7. Back To Top    #7

    Join Date
    Jun 2015
    Location
    Charlottesvile/VA
    Posts
    6

    Re: Emerson 1.5 heats up burnt smell. Stops and hums

    I don't think it's berrings as it runs fairly quite.
    I guess nothing is stuck in the impeller as it does run for about 10 min before heating up and stopping/humming.
    Inground pool about 15 years old. 30k gallon. Use it for 3 months each year.
    plaster
    Motor Emerson 1.5 pump is Hayward
    well water
    New Hayward filter and multiport valve installed last year

  8. Back To Top    #8

    Join Date
    Jun 2015
    Location
    Charlottesvile/VA
    Posts
    6

    Re: Emerson 1.5 heats up burnt smell. Stops and hums

    I think you are right

    Didn't know if the pump some how could contribute to the motor heating up. The ten min it runs, it seems fine. Once again all started after backwashing (coincidence ?)
    Inground pool about 15 years old. 30k gallon. Use it for 3 months each year.
    plaster
    Motor Emerson 1.5 pump is Hayward
    well water
    New Hayward filter and multiport valve installed last year

  9. Back To Top    #9

    Re: Emerson 1.5 heats up burnt smell. Stops and hums

    IMO, it's served its life, this is an opportunity to buy an efficient staged or vs pump.

    - - - Updated - - -

    Quote Originally Posted by Rasheed View Post
    I think you are right

    Didn't know if the pump some how could contribute to the motor heating up. The ten min it runs, it seems fine. Once again all started after backwashing (coincidence ?)
    May not be coincidental. Do you have a check valve between the pump and filter?
    24k gallon inground vinyl liner pool, 8'-3' depth, 2 skimmers, 3 returns, basic 5 chem kit.
    Hayward: DE-60 filter, Superpump VS, AquaRite salt chlorinator w/T-Cell 15, TigerShark QC robot. Jacuzzi hot tub ~350gal. Air blower type, w/8 jets.

  10. Back To Top    #10

    Join Date
    Jun 2015
    Location
    Charlottesvile/VA
    Posts
    6

    Re: Emerson 1.5 heats up burnt smell. Stops and hums

    Quote Originally Posted by mgarf33 View Post
    IMO, it's served its life, this is an opportunity to buy an efficient staged or vs pump.

    - - - Updated - - -



    May not be coincidental. Do you have a check valve between the pump and filter?
    i have not checked valve between pump and filter. Can I access this without removing motor from pump?

    put my hand inside pump.i don't believe I could reach impeller.
    Inground pool about 15 years old. 30k gallon. Use it for 3 months each year.
    plaster
    Motor Emerson 1.5 pump is Hayward
    well water
    New Hayward filter and multiport valve installed last year

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