t12

[AQR0124]

The soldering iron suddenly flashes the indicator light when opened, and the external adjustable power supply also keeps flashing. Why is that? What should I do?

[wagiminator]

Hard to say without more information. Maybe the power supply can't provide enough current, or there's a short circuit somewhere. Of course, it could also be something else...

[Rtyuakatsuki]

Try check you power supply
Maybe that cause problem