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Troubleshooting
3A9099A Operation, Repair, Parts
63
Spray icon is always shown
on display.
Interrupter is improperly positioned.
Turn screw clockwise until spray icon is
synchronized with fluid spray, page 25.
Reed switch assembly is damaged.
Replace reed switch assembly.
Pumps are running at largely
different speeds
Fluid filter is dirty.
Clean filter.
Tip, Filter or Manifold is clogged.
Clean components, drill passages.
Displacement pump is stuck.
Repair pump, see pump manual.
Impingement ports clogged.
AUTO GUN MODE
Auto Gun won’t actuate
when the red button is
pressed.
Gun is not activated.
Press the 1 or 2 button on control to activate
a gun.
Cable is not adjusted properly.
Adjust Cable to properly actuate gun trigger,
page 26.
Not on main striping screen.
Go to main striping screen on control to
Actuate Auto Guns.
Low Speed Shut off is enabled.
Disable Low Speed Shutoff, page 42.
Battery Voltage is too low.
Check Battery voltage on Diagnostic Screen,
page 15, or with Volt meter. If below 11.5V,
charge Battery or replace Battery.
Cable is not adjusted properly.
Adjust Cable to properly actuate gun trigger,
page 26.
Red button is broken.
Test button functionality in Diagnostic screen,
page 15. Replace if broken.
Auto Gun Cable is broken or extremely
kinked resulting in too much drag.
Replace Auto Gun Cable.
Solenoid wire is disconnected or broken.
Check Wiring Diagram, page 92, repair or
replace wires if necessary.
Fuse to Battery is removed or blown.
Check and replace fuse.
Solenoid is jammed.
Spray Lubrication on solenoid plunger.
Solenoid is failed.
Check resistance across solenoid wires.
Resistance should be between .2 and .26
ohms. If it’s not, replace solenoid.
Control board is failed.
Replace Control board.
Gun is not receiving air.
Check air pressure. Open air valve on gun.
Air pressure too low.
Increase motor speed, check air connections
& spray tip adapter.
Line Spacing is not accurate Wrong line pattern loaded.
Reload the correct pattern.
Machine is out of calibration.
Calibrate the machine, page 21.
Problem
Cause
Solution