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Hi, I tried to use a hair curling iron not recommended for use abroad (120V - 60Hz 30W) in France and it turned on for a few seconds then immediately off and no power or lights since returning home. I read about a few other similar instances and opened it up to see if I could replace a fuse but I’m not sure that’s the problem. Pictures attached. Would love to salvage this if possible, hate to waste. Thanks!
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In the 1st image you posted there's a board designation Fuse 2 (see image below) but rightly so it seems that the fuse has been blown to smithereens by connecting 230V AC to a 120V AC appliance.
Also the orange insulated component to the right of Fuse 2 looks suspiciously like a fuse as well so if you have a DMM (digital multimeter) you could measure it (or peel off the insulation and check what type of component it is), to see if it is OK or not. Usually if there's a fuse marked #2 on a board, there will be a fuse #1 ;-)
(click on image)
Using the formula P (Power in Watts) / V (Voltage) = I (current in Amps) the fuse rating for a 30W 120V appliance would be 0.25A but its voltage rating would also come into play once the fuse has blown as it would have to withstand the voltage being applied and prevent flash over on the blown fuse thereby making the circuit live again.
Hopefully the orange insulated component is a fuse and its rating will be stamped on the end caps.
If the orange insulated component is a fuse and you know its rating, that is one thing but knowing what the rating for Fuse #2 is, is problematic, as you'd have to work out what its function is, if it is not the main supply fuse
This is not to say that the fuse is the only problem as a fuse blows because its current rating has been exceeded so something else may have been damaged as well although it may not be as evident as a blown fuse.
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Besides the excellent answer by my esteemed colleague @jayeff , check a few more things.
Based on the amount of soot, bend the blue component up and see if there's a hole in that side. I would not be surprised if that component is damaged as well.
Again, lots of soot. You may have to remove that board and the insulation and see if there are any damaged components. Yes, it looks pretty toasty and things have gone up in smoke, but don't give up yet. You got this!
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