Reasons and solutions for parts of the furnace wire not red in the жоғары температуралы қорап түріндегі төзімді пеш

①If the solid state relay is damaged, carefully check the cause of the line damage, and replace some damaged parts of the solid state relay.

②If the input indication is normal, it may be that the fuse is broken, the connection line is loose or the furnace wire is broken, tighten the pile head, replace the fuse, and connect the furnace wire.