FAQ

why dosen't it startup when nozzle is lifted?

Possible fault sources:

a.Mainboard coefficient is lost

b.Mainboard works abnormally

c.Nozzle switch malfunctions

d.Wire contact is poor

Recommended solutions:

a.Input the coefficient over again

b.Maintain or replace the mainboard

c.Maintain or replace the nozzle switch

d.Check the connecting lines