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.

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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)

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

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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

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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.

Add Comment

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.

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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.

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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.

Add Comment

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.

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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.

Add Comment

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.

Add Comment

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.

Add Comment

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

Team

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

IUPUI-BAECHLE-F16S3G4

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2 Comments

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

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