Common Faults:

not powder, the powder less mouth to feed the dusting, blocking Wind Road

Cause:

1) Seal 
2) lock of powder leaking, causing suction wind down 
3) Adjustment of improper Wind 
4) the uneven material

Exclusion Method:

1) Reference to install strict requirements Seal 
2) Inspect locks of powder, are not allowed to wind down absorption 
3) winds door open to the general 3 / 4 suitable, not exhaust the door opened to the appropriate overseas dusting, but not too much 
4) see the ammeter expected, no ammeter device, only listen to the voices of material, the material will block too much wind Road