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A Dead Hair Straightener Brought Back To Life

By on May 24, 2021
A Dead Hair Straightener Brought Back To Life









A lady brought this device for repair and the main complaint was; it does not power up. It is her personal one and she wanted it as soon as possible.

how to repair hair straightener

I have worked on such devices before and from experience usually this kind of issue is due to an open thermal fuse located under the heating element of the device.

how to fix hair straightener

As I powered the device up while customer awaits and sure enough, the device was completely dead and have no sign of life whatsoever.

To open the device is very easy if you know what you are doing. There are two clips on the side that has to be taken out; once that is done you would see a long screw beneath that and once it was taken out, the two parts of the device will be dismantled.

how to fix a broken hair straightener

Straight away I headed to the thermal fuse under the heating element but to my surprise it was intact.

As I checked the board for faulty parts, I came across this resistor that was open.

how to repair hair straightener

As I took the resistor off board for further testing, it was confirmed to be open and needed replacement.

open resistor

As it is seen in the photo, it was a 100 ohm resister and it is the first time that I see this fault; it is usually an open thermal fuse but no complaint there because this resistor is much easier to replace.

parts to be replaced electronics

The moment the new resistor was replaced and the hair straightener was put together for testing, this was the result. I called the customer and she came right away to pick it up.

Mission Accomplished.

This article was prepared for you by Waleed Rishmawi, one of our ‘Master Authors’ and currently working in the Bethlehem area of Palestine repairing electrical and electronic equipment.

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Note: You can check his previous repair articles in the link below:




  1. Albert van Bemmelen

    May 24, 2021 at 6:11 pm

    This is so to speak a fast straight away fixed straightener! (lol)

    • Waleed Rishmawi

      May 24, 2021 at 9:44 pm

      Albert: that is one way to put it. LOL

  2. Parasuraman S

    May 25, 2021 at 12:58 pm

    A good and quick fix! Sometimes an open resistor will take us for a clean ride and whenever it happened, I used to take out that finally and give it a hard bite to balance my reaction (LOL)! Many thanks for your share!

    • Waleed Rishmawi

      May 25, 2021 at 4:36 pm

      Parasuraman: yes it was good and quick the hassal usually in the opening of the device. you are most welcome my friend. have a blessed day

  3. Yogesh Panchal

    May 25, 2021 at 4:09 pm

    Good quick fix!


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