Fast 9500, Owner'S Manual

Page: 111 / 116

TROUBLESHOOTING
TROUBLESHOOTING Boom Sprayer 9500 / 9600 Page 111
Problem Cause Solution
Pressure reading fluctuates.
The pump is sucking in air
through the intake or air has
not been entirely evacuated
from the pump
Examine the suction hose
and make sure it is firmly
secured. Run the pump with
the outlet hose open to
evacuate air from pump
Regulator broken Replace regulator
The spray flow is irregular.
Filter screen plugged Clean screens
Nozzle screens plugged Clean nozzle screens
Can't develop enough
pressure.
Broken pressure regulator Replace pressure regulator
Worn pump Repair or replace pump
Leaking hose or fitting
Replace hose or tighten
fitting
Pump running too slow
Increase oil flow to pump to
increase pump speed
Wrong agitation valve setting
Close agitation valve slightly
until pressure goes to
required range
Tip size too large
Check tip capacity for proper
size
No pressure reading.
Poor connection
Clean connection. Push
firmly together
Defective sensor Replace sensor
Defective controller gauge Replace gauge
Spray won't shut off.
Defective switch in monitor Replace switch
Solenoid valve doesn't close
Magnet stuck. Spring broken.
Replace defective parts
Controller doesn't control
sprayer.
Blown fuse Replace fuse
Poor connection
Pull connections apart. Clean
terminals. Reconnect
No power Connect power wire
Refer to Controller Manual Refer to Controller Manual
Booms bouncing. Traveling too fast Slow down