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stuarth

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Arms
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Looking for some help with a bedroom ceiling rose that goes out on its own after approx 2-5 mins, customer tells me they have changed the switch and the flex. So I checked the switch and the ceiling rose for lose connections all good, next I went in to the loft and there was loads of rodent mess so thought it must be rodents chewing on the cables but no all looks good. No other lights are effected on the circuit just this middle bedroom so IR tested the switch cable which came back at expected 500 M ohms, I expect some abuse now but what obvious thing am I missing (getting my excuses in early, its been a long and shity week)
 
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Looking for some help with a bedroom ceiling rose that goes out on its own after approx 2-5 mins, customer tells me they have changed the switch and the flex. So I checked the switch and the ceiling rose for lose connections all good, next I went in to the loft and there was loads of rodent mess so thought it must be rodents chewing on the cables but no all looks good. No other lights are effected on the circuit just this middle bedroom so IR tested the switch cable which came back at expected 500 M ohms, I expect some abuse now but what obvious thing am I missing (getting my excuses in early, its been a long and shity week)
Hello Stuarth.

This may be a faulty lampholder.

Regards,

Colin Jenkins.
 

marconi

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Mentor
Arms
Esteemed
Does the lamp go off and stay off?
What type of lamp?
Is the feed to this lamp's circuit free from rodent damage?
Is any flickering observed on the other lamps?
Have you swapped the lampholder as suggested earlier?

PS: Don't get exasperated - folk on the EF love these sort of problems to solve - and you can too.
 

stuarth

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Arms
  • Thread Starter Thread Starter
  • #4
Yes I replaced the whole ceiling rose, yes it goes off and stays off, customer was going out so we ran out of time to check the entire run back to the board but the bedrooms closer to the board are not having any issues so assumed no damage. Never thought to ask about any flickering else where but will text them now.
 

Midwest

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Arms
Esteemed
With all these things that seem weird, best go back to basics with your tests.

I'm working maintenance in a building now, had few probs with stuff not working in two year old building. Example, switch not working on stairs, got new switch, took off old switch it had been incorrectly terminated.
Expect the unexpected. :)
 
Guessing the lamp has been changed? If its led I had a batch of GU10 that was fitted and same issue. I would remove the lamp put back in and it would work again and repeat the fault intermittently.

An obvious one but just my input.
 

stuarth

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Arms
  • Thread Starter Thread Starter
  • #8
I know they changed the lamp but if its the same batch then may be it is faulty as well.
 

Charlie_

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Arms
Did you manage to check the voltage at the pendant under load?
 
D

Deleted member 26818

Is this light end of line on the circuit?
If it is, then look for a loose connection at the previous light fitting.
 

stuarth

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Arms
  • Thread Starter Thread Starter
  • #12
Thanks everyone for your help, I will advise changing out the lamp with a known working lamp and see what comes back, if thats not the case then more testing and checking of previous fittings.
 

Charlie_

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Arms
If they have a filament type ask them to try that instead
 
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