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  1. #1
    Join Date
    Feb 2004
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    Oxley, Brisbane
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    Default Flickering LED lights

    I recently replaced my older LED lights with dimmable ones that are a fair bit brighter.

    The new ones are very similar to these,but not exactly the same: Recessed Dimmable 10W 13W 16W 20W 25W LED Downlight Kit Warm/Cool White Light | eBay

    The old ones were not dimmable and each had their own little transformer, whilst the new ones plug straight in to the 220v lighting circuit via a surface mounted three point connector. NEW 10 x Surface Socket Outlet Plug Base 250VAC 10 Amp for LED Downlight - 3 Pin | eBay These were of a surprisingly good quality given the cheapness of buying them in bulk (10 for $20)

    The problem is that the new ones flicker at odd times. I am thinking that the flickering is happening at the same time the electricity company sends a signal down the lines to the storage water heaters etc to turn them on/off.

    I had previously complained to the electricity company when my fan was making a lot of noise due to their signals. They (mostly) fixed it up but it has become worse of late.

    My question is: Is there any way to (cheaply) modulate the power lines so that the signals do not affect my equipment.
    Bob Willson
    The term 'grammar nazi' was invented to make people, who don't know their grammar, feel OK about being uneducated.

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  3. #2
    Join Date
    Nov 2018
    Location
    Newcastle
    Posts
    1,016

    Default

    I found that using a decent LED dimmer (like this one) fixed my weird intermitted flickerings. But not sure if that's applicable in your case

  4. #3
    Join Date
    Feb 2004
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    Oxley, Brisbane
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    Default

    Thanks for that bernmc

    I have not yet installed the dimmer part of the circuit, so that cannot be the problem.

    The dimmer is quite expensive, but I like that it includes filtering to reduce load brightness variation under conditions of line voltage ripple signal injection.

    Also, the fan still makes noise.

    Bob Willson
    Bob Willson
    The term 'grammar nazi' was invented to make people, who don't know their grammar, feel OK about being uneducated.

  5. #4
    Join Date
    Jan 2005
    Location
    Campbelltown NSW
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    77
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    335

    Default

    Quote Originally Posted by Bob Willson View Post
    Thanks for that bernmc

    Also, the fan still makes noise.

    Bob Willson
    Swapping out your fan for a DC ceiling fan could solve your problem.

  6. #5
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    Default

    Maybe, but I am economically disincentivised to do that. Also, the lights would still flicker.
    Bob Willson
    The term 'grammar nazi' was invented to make people, who don't know their grammar, feel OK about being uneducated.

  7. #6
    Join Date
    Jun 2005
    Location
    Helensburgh
    Posts
    7,696

    Default

    Not flickering but a general heads up on LED lights such as these, all the ones I have installed needed attention because the electrical clamping screws were not tight enough. I know they don't have a big current load but all of mine needed attention.
    CHRIS

  8. #7
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    Default

    Good heads up Chris
    Mine didn't have clamps on them that are accessible, the plugs were moulded and the other ends were inside the sealed unit.
    Bob Willson
    The term 'grammar nazi' was invented to make people, who don't know their grammar, feel OK about being uneducated.

  9. #8
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    Feb 2004
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    Oxley, Brisbane
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    Default

    Is nobody able to help me with this problem?
    Bob Willson
    The term 'grammar nazi' was invented to make people, who don't know their grammar, feel OK about being uneducated.

  10. #9
    Join Date
    Jul 2015
    Location
    Minnesota
    Posts
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    Default

    Google: flickering dimmable LEDs. There is a lot if information. The main problem seems to be dimmers that are not designed to work with LEDs. Thisgs like:
    Solve LED dimming problems like flickering and strobing with these 4 simple tips

  11. #10
    Join Date
    Apr 2018
    Location
    Nsw
    Age
    64
    Posts
    1,361

    Default

    Gday Bob, I had the same issue on a new house I built and could not stop the flickering
    Fortunately I purchased them through an Australian supplier and they couldn’t offer a solution either and eventually I sent all 40 of them back and replaced them with another identical looking cheap one and problem solved.
    Buy a couple from another supplier and see how you go, there is a good chance it is the fittings. I suggest you get them from an electrical wholesaler as they will be of reliable quality, the replacement ones were Sunny brand

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