What are the common causes and maintenance methods of heating fan malfunctions?

1. Fault phenomenon: The electrical appliances are not heating up, only the ventilation fan is working
Maintenance: The switch is not placed on the heating setting; Temperature regulator operation; Non self resetting cut-off operation.
Solution: Adjust the position of the switch on the heating setting; Rotate the temperature regulator and listen for any sound to turn it on or off. If there is no clicking sound, the thermostat will not be damaged. When the electrical appliances cool down, the electric heater will automatically turn on; Disconnect the power, insert the lever directly into the reset hole on the control panel, press the reset button, and connect the circuit.
2. Fault phenomenon: Heating element is emitting light
Maintenance: The heating element may emit light due to high or low input voltage; Air entering the grille is obstructed, etc.
Solution: Use the relevant operating instructions correctly; Keep the electric heater away from objects such as curtains, plastic bags, paper, etc. that can easily cover the air inlet.
3. Fault phenomenon: The far-infrared electric heater does not work after being powered on.
Maintenance: Check whether the power plug of the machine is properly plugged in, whether the safety switch is in good contact, whether the internal leads of the machine are soldered off or detached, whether the fuse is overheated or burned, etc. Otherwise, all machines will not work, that is, the upper and lower pipes will not light up, and the fan motor will not work.