Nov 2, 2023
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If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
United Kingdom
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DIY or Homeowner (Perhaps seeking pro advice, or an electrician)
Hi,

I have an a single LED (240v Robust Fixed, LAP GU10 LAD 250 Lm 4w) downlight which is going through a squence (after being on for a while), I ran a lap timer for an example of the behaviour :

Dim for 16 secs
Fully on for 2 mins 13 Secs
Dim for 16 secs
Fully on for 2 mins 11 secs
Dim for 18 secs
Fully on for 2 mins 17 secs
Din for 16 secs
Fully on for 2 mins 15 secs
Dim for 17 secs
Fully on for 1 min 30 secs
Dim for 15 secs

There are 10 other lamps, fitted by an electrician which do not show this behaviour. This the similar behaviour had in the past (so removed the lamp), but now we are selling our property and I need to get it sorted, I have changed over the unit and lamps in the past, also checked the wiring on all the other lamps prior to posting this, and hoping that you good people can give me an idea on how to resolve this issue.

Many thanks,
Gaz
 
Hi,

I have an a single LED (240v Robust Fixed, LAP GU10 LAD 250 Lm 4w) downlight which is going through a squence (after being on for a while), I ran a lap timer for an example of the behaviour :

Dim for 16 secs
Fully on for 2 mins 13 Secs
Dim for 16 secs
Fully on for 2 mins 11 secs
Dim for 18 secs
Fully on for 2 mins 17 secs
Din for 16 secs
Fully on for 2 mins 15 secs
Dim for 17 secs
Fully on for 1 min 30 secs
Dim for 15 secs

There are 10 other lamps, fitted by an electrician which do not show this behaviour. This the similar behaviour had in the past (so removed the lamp), but now we are selling our property and I need to get it sorted, I have changed over the unit and lamps in the past, also checked the wiring on all the other lamps prior to posting this, and hoping that you good people can give me an idea on how to resolve this issue.

Many thanks,
Gaz
Try another lamp.
 
LAP are not exactly known for being top quality. Perhaps try a different brand, e.g. Aurora (DGU005/30 etc)?
 
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LAP are not exactly known for being top quality. Perhaps try a different brand, e.g. Aurora (DGU005/30 etc)?
Thanks SJD, I'll give this a try.
 

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If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
United Kingdom
What type of forum member are you?
DIY or Homeowner (Perhaps seeking pro advice, or an electrician)

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Title
LED Downlight Dims Intermittently
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DIY Electrical Advice
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