Spot lights failed on successive days

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I have two sets of 4 spotlights attached to the base of wall cabinets in my kitchen. Each set runs via a transformer: ET 105(35-105VA). Both sets run through one dimmer switch on the wall when you enter into the kitchen.

The other day all four on the right hand side stopped. The next day the 4 on the left hand side stopped working as well.

Can anyone shed any light on what might have caused this and how I go about finding a remedy?
 
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It is unlikely that both transformers will have failed on successive days, but it is not unheard of.

Can help you problem solve this, but you'll need a test meter capable of displaying 230v and 12v. Do you have such a thing to hand?


PS I do like your amusing post
Can anyone shed any light
:D
 
Firstly I should apologise for the outrageous pun... truly horrific!

The lights have been in place for 8 years, so I tend to agree with you that it would be somewhat unlikely that both transformers decide to randomly fail on successive days!

I don't have a test meter, but I am sure that getting hold of one shouldn't be too difficult...
 
You can get one at Maplins etc for about a fiver. You'll need it.
Without one it would be a bit like trying to fix your car without having a spanner!
 
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Okay, I am now the proud owner of a UNI-T Digital Multimeter... £5 from Maplin as you said.
 
OK. Put batteries in!
On 500v AC range test the input to the transformer. Do you have voltage there?
Test both transformers.

On the meter, one lead goes to COM, the other in the socket marked V
 
But don't bother trying to test the 12v side if they are switch mode power supplies. Your multimeter won't work at umpteen kHz.
 
But don't bother trying to test the 12v side if they are switch mode power supplies. Your multimeter won't work at umpteen kHz.

Woooahhhhh!!! Slow down Trigger!!!!
We havent got to the output yet. Lets help him test the input, first
 
I´m not going to be able to do this until the afternoon, but will post on here when I do...

...thanks for the advice so far!
 
Hmm, I'd be looking at the dimmer next to see if there is any volts leaving that.
Need to know what is behind the dimmer to tell you what & where to test.

If you do plan to do some more testing. Turn the power off before removing the dimmer plate, we don't know what horrors may be in there.

hink it might be time to find myself and electrician....
You could do that, i suppose. But this is supposed to be a DIY site..!
 

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