Spray Pattern Diagnostics

			Troubleshooting

Problem		Cause	Solution


Paint leaks from bottom of pump		Piston seal failure.	Replace pump module. See Repair
module.			manual.

			Replace piston seals. See Repair
			manual.

Water or thin cleaning fluids drip from		Thin fluids commonly drip while	After storage, the piston seals need
bottom of pump module.		spraying at high pressure.	to be energized prior to next use to
			prevent leakage. To energize, follow
			steps below:
			a. Prime system with flushing fluid.
			b. Spray at low pressure setting “1”
			for 10 seconds.
			c. Drain fluid. You are now ready to
			spray.

Cannot squeeze bag to extinguish air		O-ring has set in check valve.	Lightly poke bottom of check valve on
out of liner with a new lid.			underside of lid to release valve.

		O-ring in check valve is enlarged from	Replace lid.
		solvents.

		Check valve is frozen from cured	Replace lid.
		material.

Sprayer shuts down after 1.5 seconds		Pressure is too high.	Turn pressure control knob counter-
of spraying and yellow light flashes.			clockwise.

			Increase tip size.

Liquid is squirting out of accumulator.		Accumulator is worn out.	Replace accumulator.

Spray Pattern Diagnostics

Problem		Cause	Solution


Spray pattern is pulsating:	Operator is moving too fast while spraying. Slow speed of movement.

	Tip or tip filter is clogged.	Unclog tip or clean tip filter, page 18.

Spray pattern has tails:	Pressure control is too low.	Turn up pressure control.
	Incorrect tip for application of	Change tip.
	material.

	Inlet or outlet valves are worn.	See Repair manual.
ti15526a

3A2308C