Sen-Err. Uncontrolled heating bypassing the program.

Romka06

After 15 minutes of operation, the soldering iron began to heat up uncontrollably to red. And writes the sen-err.

广州市晨熹贸易

Hi, sorry for the late reply.
Please send an email to our email address guangzhoumorningtrade@gmail.com with pictures or videos about your problem and let us know what makes it happened.
We will help you find and solve the problem.