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Thread: All three pool lights went out at same time?

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    All three pool lights went out at same time?

    As we were swimming all three pool lights turned off simultaniously. No fuse seems to be flipped, inside controls as well as board say the lights are on. We did replace one bulb three months ago. Any ideas?

    BTW: 23,000 gallon, in ground pool, gunite, "regular lights" - not LEDs. And if you couldn't tell by my technical jargan, I'm a homeowner and first time pool owner (4years), who takes care of own pool and I must say- I feel a great sense of satisfaction by doing so!
    30ft x 54in AGP 24,900 gallons
    400 lbs High Rate Sand filter
    2HP, 2 speed pump
    Pool Install April 2012

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    Mod Squad JohnT's Avatar
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    Re: All three pool lights went out at same time?

    Are they 12V or 120V lights?
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    Re: All three pool lights went out at same time?

    I believe 120v
    30ft x 54in AGP 24,900 gallons
    400 lbs High Rate Sand filter
    2HP, 2 speed pump
    Pool Install April 2012

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    Re: All three pool lights went out at same time?

    There should be a GFCI breaker. You could try turning that off and then back on. However, you should find out what caused the breaker to trip.

    You could disconnect each light at its junction box to see if one of the lights is causing the fault.

    If you're not comfortable working with electricity, then you might want to get an electrician.

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    Richard320's Avatar
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    Re: All three pool lights went out at same time?

    If you've tried resetting all the circuit breakers, the next step is to look for an open circuit. Meaning a bad switch or a loose connection. It's extremely unlikely that all three bulbs would burn out at the same instant. Pulling the faceplate and the switch is probably the simplest thing, so check it first. Ideally you have an AC voltmeter. There are other ways, but I have no idea what your level of competence is, so I don't want to get you zapped, so that's as far as I'll elaborate.
    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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    Join Date
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    Re: All three pool lights went out at same time?

    You may have an older setup (like mine) where the lights are wired to a GFCI outlet and the outlet goes to a regular breaker. Make sure any GFCI outlets on the circuit are working and have not tripped. If it has, just push the reset button.
    Current: 28,000G 18'x36' I/G AnthonySylvan Plaster; Waterway 60 sq.ft. DE Filter; 1.0hp x 1.65 SF Two-Speed (B2982) WhisperFlo; 2004-Present
    Previous: 40,000G 20'x40' I/G Koven unlined WWII salvage 5/8" marine steel; Lomart Stainless Sand Filter; 3/4hp Hayward SuperPump; 1946-2003 (managed by me from about 1964)
    Ancient Taylor K-2000, upgraded with Taylor CH, TA, and FAS-DPD, and TFT CYA tests.

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    Re: All three pool lights went out at same time?

    Check The Ground wires for the Lighting circuit, It happened to my pool lights! turned the lights on as usual, and nothing!, I started at the switch checking connections,wires, re-tightening all connections finally the last thing I did was Open the J-box that has all the grounds in it, and low and behold the lighting ground came loose! Re-terminated the ground wire for the lighting circuit and problem was solved!! I know it sounds far fetched but if all else fails check the ground!!!
    15'X48" cheapo Intex metal frame pool. 4400 gallons.
    Cartridge filter
    The only thing I could find about the pump is it says 1000 gallon filter pump.

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