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Spa Bath - Possible airlock?

Discussion in 'Plumbing and Central Heating' started by eveares, 13 Sep 2015.

  1. eveares

    eveares

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    Location:
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    I have a system pool spa bath from around 2000 from what I know, which I have only used once up till now when I first moved in 2012.

    Today I filled it up and put some chlorine granules in to disinfect it and it was working fine until I turned it off briefly to fully open all the jets. When I turned it back on, the pump just hummed for a few seconds before cutting out.

    I have since tried draining and refilling the bath, loosing's the bottom union on the pump to check for air, and trying to suck water through the jets. Sometimes a few air bubbles may come through, but pump always cuts out after a few seconds.

    I am now wondering if it is a simple air lock or something else like a blockage or blow start/run capacitor?

    Also in video form:

    Regards: Elliott
     
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  4. eveares

    eveares

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    Location:
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    Update: Found the problem, 12 uF Run capacitor has died and is in a short circuit state.
     
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