What to do if the Jasic TIG Welding System power LED is OFF and the fan is not functioning?
- Cchristopher00Aug 27, 2025
If the power LED is off and the fan isn't working on your Jasic Welding System, first ensure the main power supply is switched ON and check/replace the input fuse. Also, verify that the welding power source input switch is ON. Finally, check and secure any loose connections internally.










