Electronics > Repair

Why does not this hair straightener work?

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timeandfrequency:

--- Quote from: saaluc on January 10, 2025, 03:05:22 pm ---
--- Quote from: timeandfrequency on January 10, 2025, 01:37:52 pm ---Hi saaluc,

If the on/off switch is defective, replacement is the best solution.
Using a wire does not correspond to the original behavior: it is a momentary switch. A wire would close the circuit permanently.
And holding the wire by hand to imitate the switch is not safe at all : the whole board is connected to the mains, so handling it is a bad choice.
Check if this one matches with the defective part. The height of the button has the same importance than the other dimensions.

--- End quote ---

What I meant by "using a piece of wire to connect the input and output of the switch", was connecting the input and output momentarily.

These switches operate with 4.85 VDC. Are they too have 220VAC? If yes, how? If no, how are they dangerous?

--- End quote ---
By reading your answer, I see that, unfortunately, you don't understand how this kind of circuit works and have no knowlegde about the risks that are associated by cobbling it.
So I can only agree with @inse's statement and give you the same piece of advice :


--- Quote from: inse on January 10, 2025, 03:09:31 pm ---Please, Saaluc for the safety of yours and anyone using the hair straightener, throw it away.

--- End quote ---

No additional infomation on how to repair this appliance will be provided.

saaluc:

--- Quote from: timeandfrequency on January 10, 2025, 03:26:17 pm ---
--- Quote from: saaluc on January 10, 2025, 03:05:22 pm ---
--- Quote from: timeandfrequency on January 10, 2025, 01:37:52 pm ---Hi saaluc,

If the on/off switch is defective, replacement is the best solution.
Using a wire does not correspond to the original behavior: it is a momentary switch. A wire would close the circuit permanently.
And holding the wire by hand to imitate the switch is not safe at all : the whole board is connected to the mains, so handling it is a bad choice.
Check if this one matches with the defective part. The height of the button has the same importance than the other dimensions.

--- End quote ---

What I meant by "using a piece of wire to connect the input and output of the switch", was connecting the input and output momentarily.

These switches operate with 4.85 VDC. Are they too have 220VAC? If yes, how? If no, how are they dangerous?

--- End quote ---
By reading your answer, I see that, unfortunately, you don't understand how this kind of circuit works and have no knowlegde about the risks that are associated by cobbling it.
So I can only agree with @inse's statement and give you the same piece of advice :


--- Quote from: inse on January 10, 2025, 03:09:31 pm ---Please, Saaluc for the safety of yours and anyone using the hair straightener, throw it away.

--- End quote ---

No additional infomation on how to repair this appliance will be provided.

--- End quote ---

Every one, including me and you, works on circuits at his own risk and responsibility.
In my repairs I never touch any circuit even 5 V dc ones, because I am completely aware that electricity is dangerous.
So you, instead of stopping discussion, can safely continue discussion. Of course, I do not want to bother or disturb you.

saaluc:
I invite other users to participate in this thread. Their insights are welcome and appreciated.

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