Diagnosis
The internal thermostat, a crucial safety component that regulates temperature, has failed. It is likely stuck in the "on" position, causing the heating element to run continuously and reach dangerously high temperatures far beyond the dial's indicated setting. This explains the smoking and burning, even on low.
How to Fix It
- Immediately unplug the iron from the wall outlet.
- Allow it to cool completely on a heat-safe surface.
- Do not attempt to use it again. This is a critical, non-repairable safety fault specific to the internal components of the Hot Tools Pro Artist iron.
- For disposal, check local electronics recycling guidelines. Do not simply throw it in the trash while still warm.
If That Didn't Work
There is no user-serviceable fix. The thermostat is a sealed component integrated into the iron's barrel. Attempting to open the iron will void any warranty and is dangerous. Your only option is to replace the entire unit. Contact Hot Tools customer service to inquire about warranty coverage or a potential replacement program for a faulty thermostat.
Heads Up
An overheating curling iron is a severe fire and burn hazard. Never leave a malfunctioning iron plugged in or unattended. For your next iron, always perform a temperature test on a cotton ball or a small, inconspicuous section of hair before full use to verify the thermostat is working correctly.