Introduction

This guide will show how to replace the thermal fuse in the Hot Tools HPK12 flat iron. Make sure to unplug the flat iron and give the flat iron the proper time to cool down before beginning disassembly.

Remove round plastic cover near cord base by prying under the side. Flip device and remove other round plastic cover near cord base.
  • Remove round plastic cover near cord base by prying under the side.

  • Flip device and remove other round plastic cover near cord base.

Remove 5.5mm PH1 screw under the plastic cover.
  • Remove 5.5mm PH1 screw under the plastic cover.

  • Make note of washer on screw (outside diameter of 10mm)

Push center pin through to the other side.
  • Push center pin through to the other side.

Remove spring assembly. The open side goes into the recessed area of the iron
  • Remove spring assembly.

  • The open side goes into the recessed area of the iron

Remove two 3.5mm “J0” screws that attaches  control assembly cover to flat iron base.
  • Remove two 3.5mm “J0” screws that attaches control assembly cover to flat iron base.

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Lift upward on the control assembly cover to remove it from the flat iron base.
  • Lift upward on the control assembly cover to remove it from the flat iron base.

Remove dial and switch cover and set aside. Remove dial and switch cover and set aside. Remove dial and switch cover and set aside.
  • Remove dial and switch cover and set aside.

Remove two 6mm “J0” screws that are attached to the flat iron base.
  • Remove two 6mm “J0” screws that are attached to the flat iron base.

Life upwards to remove the backing plate off the flat iron. Life upwards to remove the backing plate off the flat iron.
  • Life upwards to remove the backing plate off the flat iron.

Remove two 4mm “PH0” screws that attach the circuit assembly to the flat iron base.
  • Remove two 4mm “PH0” screws that attach the circuit assembly to the flat iron base.

Lift heating plate and circuit assembly away from flat iron case and flip over.
  • Lift heating plate and circuit assembly away from flat iron case and flip over.

Bend back small metal cover on the back of the heating plate that shields the thermal fuse.
  • Bend back small metal cover on the back of the heating plate that shields the thermal fuse.

Locate thermal fuse and remove it by cutting the wire on either end.
  • Locate thermal fuse and remove it by cutting the wire on either end.

where can I buy another fuse?

Todd - Reply

Conclusion

To reassemble your device, follow these instructions in reverse order.

2 other people completed this guide.

Nathan Schwartz

Member since: 10/24/2016

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2 Guides authored

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IUPUI, Team 3-4, Baechle Fall 2016 Member of IUPUI, Team 3-4, Baechle Fall 2016

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do you have to replace the thermal fuse if you want it to work? And where would I get a new thermal fuse?

luv4everjj - Reply

How do I check to see if the fuse is good or not and can I use a fuse from a different straightener to replace it cause my sister is hounding me to fix it for her

Jason Brock - Reply

Holy $@$*!!

Mall You TOLD US Is How to Take The Thing as part & What Part is What?

Mans what Needs to be Replaced .. besides Telling is to Go Buy another Fuse ! Or even when We Cut The Wires Exactly How we’re Surpose To I GUESS TWIST THE NEW WIRES TOGETHER?? And use Some black electric Tape ! Besides How do We Check the fuse ?? By taking it apart ? Then putting it back together & wait a week for a new fuse???

us WOMAN NEED OUR FREAKING IRON RIGHT NOW OR WE JUST GO BUY ANOTHER ONE !!

its a life & death situation !!

& this is My Big Fat Deep Curl That Broke Few Times from hanging and Falling on the Floor intill I used some gorilla glue ! I use to Keep the Box n buy from marshals so when it Stoped Working I would Clean it & Take it Back to the Store For a Even Trade ! & it always Worked too

this particular one Cost atleast $30 + and is like My BFF I’m !#^&@@ OFF

& you Got the nerve to tell easy fix ??

after taking it apart ?

Checking Fuse?

Lisa Taylor - Reply

Holy $@$*!!

Mall You TOLD US Is How to Take The Thing as part & What Part is What?

Mans what Needs to be Replaced .. besides Telling is to Go Buy another Fuse ! Or even when We Cut The Wires Exactly How we’re Surpose To I GUESS TWIST THE NEW WIRES TOGETHER?? And use Some black electric Tape ! Besides How do We Check the fuse ?? By taking it apart ? Then putting it back together & wait a week for a new fuse???

us WOMAN NEED OUR FREAKING IRON RIGHT NOW OR WE JUST GO BUY ANOTHER ONE !!

Lisa Taylor - Reply

use ?? By taking it apart ? Then putting it back together & wait a week for a new fuse???

us WOMAN NEED OUR FREAKING IRON RIGHT NOW OR WE JUST GO BUY ANOTHER ONE !!

its a life & death situation !!

& this is My Big Fat Deep Curl That Broke Few Times from hanging and Falling on the Floor intill I used some gorilla glue ! I use to Keep the Box n buy from marshals so when it Stoped Working I would Clean it & Take it Back to the Store For a Even Trade ! & it always Worked too

this particular one Cost atleast $30 + and is like My BFF I’m !#^&@@ OFF

& you Got the nerve to tell easy fix ??

after taking it apart ?

Checking Fuse?

Then go look for ,? pay? And Wait For the Part that’s proable from China & will take a month??

should I go To the Salon Everyday while Waiting For the Fuse???

Lisa Taylor - Reply

FUNk NOoo! Just Go Buy another Freaking Iron!

Thanks for wasting my Time!! My Date will be here soon IM FUNKED & YOU DEFINITELY DONT GET ANY POINTS BY ME …..ONLY God Bless You ! & Your Definitely Not a (Wo~Man) That Uses irons or You WOULD GET IT… but You Obviously Didn’t & Then Never ANWSEReD ANY ONE QUESTION S???

Holy POW!!!

Lisa Taylor - Reply

Where the !&&* are My comments

Lisa Taylor - Reply

[|What’s Going to !&&* on]

Lisa Taylor - Reply

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