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Hi /diy/ I'm trying to fix an indoor lamp that has 2 lights and I think the problem is this board. Can anyone tell me what is this thing on top of the coil. Also if you have any idea what could be a problem then why not help? :)
Any help would be appreciated :)
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Looks like a thermal fuse.
You can check it with a multimeter. If it's shorted, it's ok.
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>>1109285
Thanks for the input.
I checked it with my multimeter and its not shorted. How big role does it have in this lamp? There's a 2.5 amp fuse so would it be a good idea just to remove the fuse and short it out myself or is this component really important?
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>>1109287
Why do you suspect that part?
It looks like it's just a temperature limit, a switch that opens when it exceeds 130C.
It should reset. If it didn't, just bypass it, and monitor the board during operation. By the way, you can easily check to see if that's the issue by putting your lead on ground, and your other lead on the first side of that thing, then the next.
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>>1109287
It's there to turn the current off before that thing burns down your house. Whether that's important or not is up to you, but at least you should try to find out why that board has gotten so hot. You can short it for a quick test.
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>>1109292
>its in series with the 2.5A fuse which does not make any sense.
The thermal fuse has a 2A limit but is really there to watch for over-temp conditions.
The 2.5A fuse is there to watch for over-current conditions.
Probably should have a 2.5A 130C for the temp too but I don't always understand electrical engineers.
If you used it with larger than recommended lamps or the board was exposed to a source of external heat while in use that may have caused it.
I've also seen them (thermal fuses) fail for no apparent reason.
You could just jumper it and probably be safe. If you want to replace it, find a 2.5A @ 130C instead of the 2A.
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>>1109290
>It should reset. I
It's a thermal fuse, not a thermostat.
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>>1109310
Ahh, true. I just can't believe a fuse like that, which is not really user replaceable, would stay off.
I suppose they suspect that, if tripped, something else went horribly wrong anyways.
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