Machine has fault self-checking function, all the failed parts have corresponding alarm display, and may lead to machine stop. If so, please solve as below methods, if still can not be working, please Notify supplier immediately. users can solve general fault by himself, except for microcomputer control system breakdown.
Check with wires connected to ejector.
Dehumidification or Dry
Use soft thing to clean chute
Check led and line connection
Choose correct sorting model
Change led power
Readjust background panel
Cleaning glass and change brush
Check heating system
check the air pressure，air path，and re-adjust
Keep the air path smooth or change filter element.