There has some ways to adjust the machine working well.
1. Why the temperature is lower than 160 degree ?
The line of heater connect heating tube through suction magnetic switch.You should detect every heater. Is it working well ? If no problem, please detect the heating tube.

2. Film offset when working ?
When the machine working,film maybe offset the working table.You can adjust the up triangle  to solve this problem.

3. When packing bottles in one bundle,photoelectric can not detect the package.The machine will cut the package. How to adjust ?
Such as automatic heat-shrink films packing machine.Just adjust the photoelectric angle lean type is ok.It will detect the package easily.