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Thread: Inground Pool - Lights Not Working

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    Inground Pool - Lights Not Working

    We built out pool in the summer of 2010.

    We had two lights (non-LED) installed in the pool.

    Over the last few years we haven't really used the lights because our kids were so young and typically when it got dark we were putting kids to bed and cleaning up. Night swimming never really happened.

    Now the kids are older and our backyard has turned into the neighborhood hot spot we are using the pool at night.

    I haven't used the lights yet this week, but last night I tried to turn the lights on and no luck. The breaker for the lights are on, and I turned the switch on, but DARKNESS.

    Can someone help me troubleshoot my lights?

    Is this as easy as getting new bulbs?

    Is this a DIY job, I would rather not have to call in a "professional" if I don't have to.
    76549 Liters -- Cartridge Filter -- In Ground -- Vinyl -- TF-100 Test Kit -- AquaVac Robotic Cleaner -- UV Sanitation -- Winter Safety Cover -- Installed 2010 -- Southwestern Ontario, Canada

    Latest Test Results June 25:
    FC - 6, CC - 0, CYA - 40, CH - 110, TA - 90, pH - 7.5

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    Join Date
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    Re: Inground Pool - Lights Not Working

    Since that involves dropping the water level below the level of the lights, I'd just wait until you close your pool for the season. We only occasionally use ours and if I had to go the rest of the season without it, it wouldn't kill me. But my guess is that it shouldn't be a big deal to replace yourself.
    20,000 gal. free-form plaster on concrete
    Triton DE filter, 1.5HP pump
    Aquabot Elite pool cleaner

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    Re: Inground Pool - Lights Not Working

    It is not too hard to do yourself, there is a video on inyopool.com under the light bulb section. You do not need to drain your pool but a mask and snorkel help and a scuba tank makes it very easy. The bigger problem is parts if equipment is old, but 2010 is not old. I want to put LED light in but my fixture is too small to accommodate and my niche will not accommodate a fixture that does allow an LED. If you can't find video, post and I will find and link it for you.
    28,000 gals (20 x 40), IG, vinyl, Hayward Sand Filter, old Hayward
    Super pump (not sure of HP secondary to corrosion of label),

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    Mod Squad Jimrahbe's Avatar
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    Re: Inground Pool - Lights Not Working

    Most pool lights are on the end of a long cable that allows the light enclosure to be removed and placed on the pool deck. There should be no reason to drain your pool.

    But.. both lights are not working and they have been very lightly used.. Off-hand I'd suspect the power going to the light, before suspecting that both light bulbs are bad. This power should come from a GFCI circuit breaker, or a GFCI outlet. The very first thing I would do is to make sure that you have power going to the lights.

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    Re: Inground Pool - Lights Not Working

    Weird. I just assumed you'd have to lower the water below the light, but I guess that would be pretty crappy design.
    20,000 gal. free-form plaster on concrete
    Triton DE filter, 1.5HP pump
    Aquabot Elite pool cleaner

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    bobodaclown's Avatar
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    Re: Inground Pool - Lights Not Working

    No need to drain wather. Depending on the model 12V or 120V lights you may have a circuit breaker/fuse on the power supply for the light. It seems odd that both lights wouldn't work. I would believe voltage/electrical issue.
    Do you know the model of your pool light?
    Here's a video showing how it's done: How to Replace a Pool Light Bulb (Lamp) - YouTube
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Dolphin Nautilus Plus with CleverClean, Lakeland Florida

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    Re: Inground Pool - Lights Not Working

    Ok, so I have a GFCI outlet. I pressed RESET and TEST a bunch of times and all of a sudden now it works.

    I wonder if one of the buttons on the GFCI were stuck.
    76549 Liters -- Cartridge Filter -- In Ground -- Vinyl -- TF-100 Test Kit -- AquaVac Robotic Cleaner -- UV Sanitation -- Winter Safety Cover -- Installed 2010 -- Southwestern Ontario, Canada

    Latest Test Results June 25:
    FC - 6, CC - 0, CYA - 40, CH - 110, TA - 90, pH - 7.5

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    TFP Guide

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    Re: Inground Pool - Lights Not Working

    Quote Originally Posted by Easto View Post
    Ok, so I have a GFCI outlet. I pressed RESET and TEST a bunch of times and all of a sudden now it works.
    Which did you press first???? GFCI's are designed to not fail in the on position. This is not to say it can't happen. I would guess that the reset was pressed first as it probably was tripped. As to why it was tripped, ...anybody's guess.
    Unknown make 18' above ground (bought used in 1999) Sparco sand filter. Hayward 100,000 BTu heater. 2 speed pump

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    bobodaclown's Avatar
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    Re: Inground Pool - Lights Not Working

    Great news!
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Dolphin Nautilus Plus with CleverClean, Lakeland Florida

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