Melamine Paper Cutting Machine
What will cause the preheater Tube easily broken? Jul 16, 2020



The preheater is moved on uneven ground just after running

Don't move the machine soon after running, but keep its place for cooling first

Contactor dynamic and static contact sintering

Use good quality contactors

The protection circuit is partially damaged (over-current)

1.Check whether the wiring of the small resistance on the circuit board is loose.

2.Check whether the middle contact ring is in good contact with the resistance wire.

3.Check whether the DC6V relay and the base are intact.

Diode or high-voltage transformer is abnormal

Pay attention to observe the current changes

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