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Hot Tools HPK12 Troubleshooting

A titanium flat iron identified by model number HPK12 and manufactured by Hot Tools.

Incorrect Plate Temperature ¶ 

The plates of the flat iron will not change temperature when the dial selector is at different positions.

Faulty Dial Selector ¶ 

Attempt changing the heat dial to test if the plates will heat up. If the issue persists, test the dial with a multimeter at various temperature settings. If the voltage across the dial is always the same, replace the dial with this guide.

The Plates Heat Up, But Light Is Not On ¶ 

After turning the flat iron on, the plates will get hot, but the LED light is not illuminated.

Faulty LED Light ¶ 

Test the power on the flat iron by switching the power switch from the off position to the on position. If the LED power indicator doesn’t light up, but the plates get hot, then the LED may be faulty.

The Plates Will Not Get Hot ¶ 

The light is on, but the plates will not heat up.

Faulty Thermal Fuse ¶ 

Inspect the internal thermal fuse visually. If you cannot visually tell if the thermal fuse is intact or blown, you can test the fuse with a multimeter. If you find the fuse to be faulty, replace it with this guide.

Faulty Dial Selector ¶ 

Attempt changing the heat dial to test if the plates will heat up. If the issue persists, test the dial with a multimeter at various temperature settings. If the voltage across the dial is always the same, replace the dial with this guide.

The Iron Will Not Turn On When Plugged In ¶ 

You are having trouble getting the flat iron to power on

Broken Switch ¶ 

Test the power on the flat iron by switching the power switch from the off to on position. If the switch is in the on position and the flat iron plates aren’t heating up, the switch may be faulty. If they do heat up, then the LED may be faulty.

Broken Cord ¶ 

Check the cord for frayed or exposed wires. If wires are visible, then replace the cord with this guide.

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