Water supply trouble
Whether water is flowing in the
hose whether the stopcock is
Y
turned on.
Whether solenoid
valve is working
Yes
Check whether the
water intake velocity
is too low.
Whether water
level switch is ok
Yes
Cable or the program
controller is broken
Yes
Yes
No
Turn on the stopcock
Measure whether solenoid
No
valve is electrified
Change the solenoid
No
The water pressure is
Change water level
valve
too low.
switch
22