Why is the fuel dispenser non-startup?

Possible faults sources:


a.External power supply is abnormal


b.Nozzle seat switch works normally


c.Fuse of control board is blown out


d.Mainboard coefficient is lost


e.Mainboard works abnormally


Recommended solutions


a.Check the external power supply


b. Maintain or replace the switch


c.Replace the fuse-link


d.Input the coefficient over again


e.Maintain or replace the mainboard