Removed one light fixture now the other is over heating!


Postby Richard Ward » Mon Dec 19, 2016 1:14 pm

I have two ceiling light fixtures in my living room. I had a water leak from thecupstairs bathroom, which dripped into one light and has burned it out. I removed the light unit. After one hour, the second light unit stopped working. The main unit of the light was very hot, it would not switch back on. Once it had cooled down it worked again.

Both are identical light units and connect to a double dimmer switch, there are seperate dimmer switch buttons for each light unit so you can turn one on independently of the other.

Would removing one cause an overload on the second? surely it's not different to just not switching on the other unit?



Thanks for any help or guidance.
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Postby kbrownie » Mon Dec 19, 2016 10:30 pm

I would not expect any additional overload on the circuit.
What unit was getting hot?
Switch, light fitting, transformer/driver, lamp/bulb or something else?
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Postby Richard Ward » Tue Dec 20, 2016 8:04 am

kbrownie wrote:I would not expect any additional overload on the circuit.
What unit was getting hot?
Switch, light fitting, transformer/driver, lamp/bulb or something else?


Thanks for the response kbrownie. It's the transformer unit in the middle of the light. Could it be the dimmer switch? I guess my options are to swap out the light unit and the switch and see?

Like you, I see no reason for there to suddenly be an overload on the second light unit just because the first was removed.
Richard Ward
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Postby kbrownie » Tue Dec 20, 2016 4:23 pm

Transformers do get hot, they require good ventilation and should not be covered.

But I am still unsure we are talking about the same thing??

A picture or two could help
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