As a convenient heat source tool, heat guns are widely used in processes such as soldering, heat shrinking, and drying. However, like other electronic devices, heat guns may encounter various faults during use. This article will introduce common troubleshooting methods and simple repair techniques for heat guns.

I. Common Fault Diagnosis of Heat Guns

1. The heat gun does not generate heat or the heat is insufficient:

2. The heat gun does not blow air or the air volume is small:

3. The display board is not lit or cannot display normally:

II. Simple Repair Techniques

1. Power supply inspection:

2. Resetting the overheat protection device:

3. Replacement of the air pump sealing gasket:

4. Maintenance of the heating element (core):

5. Display screen and circuit maintenance:

III. Maintenance Precautions

IV. Conclusion

Troubleshooting and repair of heat guns require a certain amount of professional knowledge and practical experience. Through the introduction of this article, we hope to help users better understand and deal with common faults of heat guns. When performing maintenance, please be sure to pay attention to safety and follow the correct operating procedures. If you encounter difficult problems, it is recommended to contact professional repair personnel or equipment manufacturers for support and service in a timely manner.