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I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used
to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any
bells?
Apart from anything else I can't immediately see any LED bulbs with this "fin" arrangement.
I will post a photo later - shopping calls at the moment.
On Fri, 29 Aug 2025 13:56:24 +0000, David wrote:
I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember
changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used
to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb
although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any
bells?
Apart from anything else I can't immediately see any LED bulbs with
this "fin" arrangement.
I will post a photo later - shopping calls at the moment.
<https://wiki.diyfaq.org.uk/index.php/File:Kitchen_Down_Lighter.jpg>
Can you see this OK?
On Fri, 29 Aug 2025 13:56:24 +0000, David wrote:
I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember
changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used
to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb
although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any
bells?
Apart from anything else I can't immediately see any LED bulbs with this
"fin" arrangement.
I will post a photo later - shopping calls at the moment.
<https://wiki.diyfaq.org.uk/index.php/File:Kitchen_Down_Lighter.jpg>
Can you see this OK?
David <wibble@btinternet.com> wrote:
On Fri, 29 Aug 2025 13:56:24 +0000, David wrote:
I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember
changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used
to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb
although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any
bells?
Apart from anything else I can't immediately see any LED bulbs with
this "fin" arrangement.
I will post a photo later - shopping calls at the moment.
<https://wiki.diyfaq.org.uk/index.php/File:Kitchen_Down_Lighter.jpg>
Can you see this OK?
Yep. The fins looks like theyrCOre intended to have a torque applied to release a bayonet or screw fitting. Try harder. ;-)
Downlighters are generally only held into the hole in the ceiling with a couple of spring clips so pulling the whole light fitting out might help
to work out how to replace the bulb.
Tim
On Fri, 29 Aug 2025 14:32:20 +0000, Tim+ wrote:
David <wibble@btinternet.com> wrote:
On Fri, 29 Aug 2025 13:56:24 +0000, David wrote:
I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember >>>> changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used >>>> to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb
although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any
bells?
Apart from anything else I can't immediately see any LED bulbs with
this "fin" arrangement.
I will post a photo later - shopping calls at the moment.
<https://wiki.diyfaq.org.uk/index.php/File:Kitchen_Down_Lighter.jpg>
Can you see this OK?
Yep. The fins looks like theyrCOre intended to have a torque applied to
release a bayonet or screw fitting. Try harder. ;-)
Downlighters are generally only held into the hole in the ceiling with a
couple of spring clips so pulling the whole light fitting out might help
to work out how to replace the bulb.
Tim
I'm trying to work out if the three fin bit is part of the bulb or part of
a retaining device.
I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any bells? Apart from anything else I can't immediately see any LED bulbs with this "fin" arrangement.
I will post a photo later - shopping calls at the moment.
Cheers
Dave R
On Fri, 29 Aug 2025 13:56:24 +0000, David wrote:
I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember
changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used
to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb
although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any
bells?
Apart from anything else I can't immediately see any LED bulbs with this
"fin" arrangement.
I will post a photo later - shopping calls at the moment.
<https://wiki.diyfaq.org.uk/index.php/File:Kitchen_Down_Lighter.jpg>
Can you see this OK?
Cheers
Dave R
On Fri, 29 Aug 2025 13:56:24 +0000, David wrote:
I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember
changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used
to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb
although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any
bells?
Apart from anything else I can't immediately see any LED bulbs with this
"fin" arrangement.
I will post a photo later - shopping calls at the moment.
<https://wiki.diyfaq.org.uk/index.php/File:Kitchen_Down_Lighter.jpg>
Can you see this OK?
Cheers
Dave R
On 29/08/2025 14:56, David wrote:
I have some LED down lighters which look very much like GU10Mine inteact badly with a dimnmer and do it all the time at certain
One has started to strobe after some time of running.
settings
I think that these are original from 13 years ago, so I can't rememberDidnt you fit the LED bulb?
changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used
to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb
although gentle pressure isn't having any effect.
For MR16 12V bulbs you need to remove the ring around the bulb - just
pry it from the ceiling...
Before I up the level of force, does this style of fitting ring anyI think there are only the GU10 and MR16 bulb styles
bells?
Apart from anything else I can't immediately see any LED bulbs with
this "fin" arrangement.
I will post a photo later - shopping calls at the moment.
Many old LED bulb drivers are failing now. New stock is better
David <wibble@btinternet.com> wrote:
On Fri, 29 Aug 2025 13:56:24 +0000, David wrote:I have those exact fittings in our conservatory and the inner chrome
I have some LED down lighters which look very much like GU10
One has started to strobe after some time of running.
I think that these are original from 13 years ago, so I can't remember
changing one.
I've just looked, and the bulb isn't flat like the GU10 ones I am used
to (removed with a rubber sucker).
There are three "fins" around the edge of the bulb, inside the outer
casing.
It looks as though these might be for removing and refitting the bulb
although gentle pressure isn't having any effect.
Before I up the level of force, does this style of fitting ring any
bells?
Apart from anything else I can't immediately see any LED bulbs with
this "fin" arrangement.
I will post a photo later - shopping calls at the moment.
<https://wiki.diyfaq.org.uk/index.php/File:Kitchen_Down_Lighter.jpg>
Can you see this OK?
Cheers
Dave R
ring simply unscrews the bulb and its holder then simply fall down to
allow you to remove it.
Richard
