There are several phenomena when the vacuum melting furnace is not working.

1, the connecting screw of connecting copper bar of vacuum melting furnace is loose, which causes fire.

2. The lighter is caused by the oxidation of the main connector of the circuit breaker.

3, the compensation capacitor wiring pile screw is loose, causing ignition, and the internal discharge resistance capacity of the compensation capacitor absorbs electric ignition.

4. The insulation part of water-cooled radiator is too dirty or carbonized to ignite.

5. The induction coil of the vacuum melting furnace body hits the furnace shell or bottom plate.