Y
es
No
Is there liquid in the mixing tank
No
Do the pumps turn
on during
re-
circulation and turn
off when bled?
Y
es
No
Are the toggle switches for
pumps (3&5) on?
No
Turn on pumps: If they don't turn on go to the "Pumps: Not Turning
on/Not Pulling or Pushing Liquid
The nozzle v
alv
e
could ha
ve failed
open and is relying on backup v
alv
e.
Y
es
Y
es
Do all the v
alv
es in
the path open/close
to completion?
R
eplace nozzle
No
Y
es
Do the source pumps
turn on during recirculation?
No
Y
es
Do they pull liquid?
No
Y
es
Is the nozzle
clogged?
Click here to go to
the "
Source
Pumps not pulling
" tab
No Spray