Soldering iron failure
Heat gun failure
| Fault code or fault description | Possible cause of failure | model |
| soldering tips | ST-60/80/100 | |
| the temperature of soldering tips is Low | SA-50 | |
| Displane “H-E” | AT-938D/AT-980E | |
| the temperature of soldering tips is high or low | AT-90DH | |
| Displane nothing | AT-90DH | |
| it display "S-E" | ||
| E-0: Heater power supply abnormal alarm | ||
| Displaly Code | ST-60/80/100 | |
| the temperature is incorrect | ST-60/80/100 | |
| No power | ST-60/80/100 | |
| E-0: Heater power supply abnormal alarm | ||
| E-2 error | ||
| E-0: Heater power supply abnormal alarm | ||
| No power |
