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Dimmer2 Burned


RiccardoCanetta
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Question

Hi all,

I connected a Dimmer2 out of the box (i.e. without prior association to Fibaro) as described in this picture of the manual for 2-wire systems (I live in Italy)

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with the switch being a simple momentary switch and the light being a LED bulb. As soon as we gave power back to the house, the Dimmer2 burned (on the Sx contact), and obviously power was cut automatically, as in a short circuit. After replacing the fibaro Dimmer2 with a normal Finder dimmer, we verified that both the momentary switch and the bulb work ok.

 

What did I do wrong? should I have connected just L and N of the Dimmer2 and associated it with HC2, changing some parameter before connecting switch and bulb? I am buying a new Dimmer2 but I don't want to burn another one...

 

Thanks in advance for your help,

Riccardo

 

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On 8/11/2019 at 4:14 PM, rcanetta said:

Hi all,

I connected a Dimmer2 out of the box (i.e. without prior association to Fibaro) as described in this picture of the manual for 2-wire systems (I live in Italy)

Please login or register to see this link.

with the switch being a simple momentary switch and the light being a LED bulb. As soon as we gave power back to the house, the Dimmer2 burned (on the Sx contact), and obviously power was cut automatically, as in a short circuit. After replacing the fibaro Dimmer2 with a normal Finder dimmer, we verified that both the momentary switch and the bulb work ok.

 

What did I do wrong? should I have connected just L and N of the Dimmer2 and associated it with HC2, changing some parameter before connecting switch and bulb? I am buying a new Dimmer2 but I don't want to burn another one...

 

Thanks in advance for your help,

Riccardo

 

You do not have a neutral line?

my experience with dimmer 2 (without neutral line) and a led bulb is not positive

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  • 1 hour ago, akatar said:

    You do not have a neutral line?

    my experience with dimmer 2 (without neutral line) and a led bulb is not positive

     

    Hi

    I have the classical wiring, L, N and ground (yellow/green cable) but this AFAIK is considered a 2 wire system. Am I wrong?

     

    Thanks

    R

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    @rcanetta the colours are different in some country's

    if you have phase/live  and neutral where the module is then we are talking "3 wire system"

     

    1 wire phase/live

    1 wire neutral

    1 wire to the light

     

    so use the 3 wire setup

     

    Edited by akatar
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  • 1 minute ago, akatar said:

    @rcanetta the colours are different in some country's

    if you have phase/live  and neutral where the module is then we are talking "3 wire system"

     

    1 wire phase/live

    1 wire neutral

    1 wire to the light

     

    so use the 3 wire setup

     

     

    So by “wire to the light” you mean the cable between the rightmost contact of the Dimmer (“x”) and the light?

     

    thanks again!

    R

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    @rcanetta how did you connect to the first dimmer2?

    the ground cable should not be connected to the dimmer2, so you only have live and neutral?

    Edited by akatar
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    Hi. Did you finally connect it? how did it go?

     

    I bought 2 dimmers here in Sweden and am a bit apprehensive to install them. Your post has scared me even more.

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    Hi, 

     

    finally tried connecting it. Just the dimmer to the LED light (50W Power), there was continuous red light. I am not sure what to do now. Try connecting by-pass too? Any suggestions??

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