Welding machine prompt find fiber cause!

Welding machine prompt find fiber cause! The problems caused by the factors can be made from the following points: optical system problems hints to left optical fiber optical fiber welding machine or can't find the right fiber caused by the fault factors can be made from the following points: 1, the left optic fiber ( Fiber from right) Placed incorrectly, or V groove have sundry two, motor drive system with three related components, optical system, including the objective lens and reflector and the related control circuit.