First, the machine does not start: the input wire is not connected, the power cord is reversed, and the voltage is not enough.
2. When the film is not sucked up, the film is pulled down: whether the solenoid valve or hand valve is open.
3. The film is not in place: the vacuum is not enough, air leakage, temperature is not enough, the film is too thin, the workpiece is pasted with other materials, the concave depth of the workpiece exceeds the film lift, the suction time is too short, the film is not lifted, the workpiece distance Too close.
4. The main power switch trips: leakage of the input wire on the top of the heating box, leakage of the distribution box, external wires on the equipment, leakage of the motor, etc.
Fifth, the working vacuum is not up: the gas path is not open, the hand valve or the solenoid valve is not closed, the vacuum pump motor belt is loose, and the vacuum gauge is damaged.
Sixth, the surface of the overlaid workpiece has folds and is not smooth or the corners cannot be wrapped: the film is not straightened, the quality of the film is not good, the workpiece is not well polished, the glue is sprayed too much, and the mold below the workpiece is too low.
7. Inaccurate temperature measurement: thermocouple, temperature controller. Whether the installation is incorrect and damaged.

8. Breaking phenomenon: the temperature is too high, the heating time is too long, the film quality is not good, and there is no heating.