Reasons why the heating tube of meltblown cloth does not heat

The main points are as follows: 1. The resistance wire is disconnected 2. The lead bar is not connected to the resistance wire 3. The power supply is abnormal or power failure; 4. The fuse is blown; 5. The power cord plug is not in good contact with the electrical outlet or the power cord wire Open circuit; 6. Poor contact or disconnection of the temperature controller contact. The above are the main reasons why the electric heating tube does not heat after being energized. I hope it will help you a bit