FAQ

Why does the auxiliary valve of solenoid valve cannot be turned on?

Possible Faults Sources:

 

a.       Solenoid valve malfunctions

 

b.       Control board works abnormally

 

c.        Mainboard works abnormally

 

 

Recommended Solutions:

 

a.       Maintain or replace the solenoid valve

 

b.       Maintain or replace the control board

 

c.        Maintain or replace the mainboard