Flickering downlights

[stunner]

HI
never seen this issue in 35years in the trade and wondered if anybody has any idears.
The property is a new build and the installation fitted by myself. We have 26 Aurora cx7 downlights on 3 seperate circuits and controlled by various switching configurations. All dimmer switches are Varilight V- pro modules and the consumer unit is the new Click Elusian split load board with SPD.
The lights flickers very randomly sometimes not for a day or 2. I have checked everthing. No loose connections. Aurora have sent new fittings which i have fitted. I've changed the dimmer modules but the problem is still there. Has anyone got any idear what this could be or has any body seen this before? I've now hit a wall as to what to do next.
Thanks

 

[kerching]

Incompatibility with dimmers?
Remove dimmer
Fit wagos
No,flicker?.....sorted
Flicker?....not dimmers. Poss induced voltage

 

[Richard-the-Ninth]

What happens if you temporarily change all of the dimmers to an on/off switch?
The other thing is, did you set up each dimmer switch as those dimmers are programmable

 

[Geoff1946]

Are there any transmitters nearby, e.g. police or taxi office ? Any industrial buildings which could have RF welding or similar?

 

[ProDave]

What is the heating in this new build?

 

[Murdoch]

Any heavy industry nearby?
Are your neighbours experiencing the same?
Do you have other rooms doing the same that don't have downlights?

 

[kerching]

What happens if you temporarily change all of the dimmers to an on/off switch?
The other thing is, did you set up each dimmer switch as those dimmers are programmable

Yeah, so like I said before!....but I suggested wagos, same result

 

[stunner]

Incompatibility with dimmers?
Remove dimmer
Fit wagos
No,flicker?.....sorted
Flicker?....not dimmers. Poss induced voltage

Yeah, so like I said before!....but I suggested wagos, same result

Done all that no change

 

[stunner]

What do mean induced voltage?

 

[stunner]

What happens if you temporarily change all of the dimmers to an on/off switch?
The other thing is, did you set up each dimmer switch as those dimmers are programmable

This is also happening with lights not on dimmers and i am aware of the programmable features.

 

[stunner]

What is the heating in this new build?

Combi boiler and underfloor heating ( wet)

 

[stunner]

Done all that no change

Wagos all checked. No problem. ??

 

[Murdoch]

Any heavy industry nearby?
Are your neighbours experiencing the same?
Do you have other rooms doing the same that don't have downlights?

?

 

[roys]

What do mean induced voltage?

Your light fitting supply cables running beside other cables which could be for example 2 way switch pass cables (strappers), cooker supply or socket cables.
It does not take much in the way of induced voltage to cause an led lamp to flicker, it is sorted by adding a snubber into the led circuit.

 

[mort2376]

Agree a snubbed may sort the issue.

 

[MikeJhn]

This cured the flickering LED downlights in a kitchen installation due to induced voltage from the two way switch strappers.

 

[runningpiglet]

HI
never seen this issue in 35years in the trade and wondered if anybody has any idears.
The property is a new build and the installation fitted by myself. We have 26 Aurora cx7 downlights on 3 seperate circuits and controlled by various switching configurations. All dimmer switches are Varilight V- pro modules and the consumer unit is the new Click Elusian split load board with SPD.
The lights flickers very randomly sometimes not for a day or 2. I have checked everthing. No loose connections. Aurora have sent new fittings which i have fitted. I've changed the dimmer modules but the problem is still there. Has anyone got any idear what this could be or has any body seen this before? I've now hit a wall as to what to do next.
Thanks

Just to be clear: are the lights switched on and flickering off, or switched off and flickering on? If the first then suspect a loose connection or supply problem. If the latter then suspect stray pickup by capacitive coupling and try an R-C snubber across the lights.

 

[peterspurs]

Check incoming supply had it with a loose connection before

 

[stunner]

Check incoming supply had it with a loose connection before

This happens when lights are on. All connections have been checked including all supply cables and everything is fine.

 

[stunner]

Your light fitting supply cables running beside other cables which could be for example 2 way switch pass cables (strappers), cooker supply or socket cables.
It does not take much in the way of induced voltage to cause an led lamp to flicker, it is sorted by adding a snubber into the led circuit.

To be clear the flickering occurs when the lights are on. Will a snubber work with this as everthing i read about snubbers is to solve flickering when lights are switched off.