No
Does the source pump(s) turn on
when bled?
Y
es
No
Open v
alv
es going to
the mixing tank: Do they open/Close to
completion
Y
es
Is there liquid in
the mixing tank/lines
Y
es
No
Does the spr
ay pump
turn on when bleed
valv
e is opened?
Y
es
No
Is liquid being pulled from the source tank(s)
No
No
Open v
alv
es in the
path: Do they all
open/close to completion?
Pressure