Sprayer Will Not Run

(See following page for steps)

Remove control box cover. Turn sprayer ON. Observe control board status light on control board (see page 27).

No light

 

 

 

Once

Normal operation

 

 

Light on

Control board

Continuously

commanding

 

motor to run

 

 

Flashing

See Code section

 

for further

 

troubleshooting

 

 

See Step 1. Do you have over 100 VAC (220 VAC for 230V units)?

YES

See Step 3. Is the

proper reading present through the thermal switch wires?

Troubleshooting

 

 

 

See Step 2. Do

 

 

 

 

 

 

 

 

you have over

 

 

 

 

 

 

 

 

 

 

 

 

Repair or

NO

 

 

100 VAC

 

NO

 

 

 

 

(220 VAC for

 

 

 

replace

 

 

 

 

 

 

 

 

230V units)?

 

 

 

 

power cord.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

Replace the

ON/OFF switch.

If motor is hot, let cool and retest. If Step 3 still shows

NO incorrect resistance, replace motor. The motor has

a defective thermal device.

YES

See step 4. Does the motor run?

YES

Replace

potentiometer.

 

 

 

Connect a test

 

NO

 

 

transducer to the

 

 

 

board. Does the

 

 

 

 

 

 

 

 

 

 

 

motor run?

 

 

 

 

 

 

NO

YES

Replace the

 

 

control board.

 

 

 

 

 

 

Replace the

transducer

332916C

33

Page 33
Image 33
Graco Mark VII, Mark IV, Mark X, 795, 695, 1095, 1595 important safety instructions Sprayer Will Not Run, Yes

1095, 695, 1595, Mark IV, Mark VII specifications

The Graco Mark series is a renowned line of airless paint sprayers designed for professional contractors and serious DIY enthusiasts. Each model in this series brings its own unique features and technologies, catering to a range of applications and user preferences.

The Graco Mark VII is known for its high efficiency and durability. It features a powerful motor that allows for consistent pressure and delivery of a variety of coatings. This model is equipped with a proven piston pump technology, providing a smooth and reliable spray pattern. Its compact design makes it easy to transport, while enhanced filtration systems ensure a clean finish by minimizing clogs and maintaining a steady flow of paint.

Moving on to the Graco Mark IV, this model offers versatility for both small and medium-sized projects. The Mark IV’s lightweight design, combined with an adjustable pressure control, allows users to fine-tune their spray for different materials, from heavy latex paints to stains. The inclusion of 2-finger trigger control and ergonomic handle enhances user comfort during extended use. Additionally, the Mark IV comes with a range of tip sizes, accommodating various application needs.

The Graco Mark V takes performance a notch higher. It is equipped with advanced technology for increased efficiency and reduced overspray. The innovative SmartControl system enables operators to set the pressure for a perfect finish, whether they are working on detailed trim work or expansive wall surfaces. Furthermore, the Mark V’s robust build and high-capacity intake system make it ideal for larger projects, ensuring consistent output throughout.

The Graco 1595 model is designed for heavy-duty applications and is particularly favored for its reliable performance in tough conditions. It boasts a heavy-duty pump that can handle high viscosity materials without compromising the finish. Along with an adjustable flow rate, the durable construction ensures longevity, making it a worthwhile investment for contractors who frequently tackle extensive jobs.

Lastly, the Graco Mark X is another high-performance sprayer that stands out for its advanced technology integration. With features such as automatic pressure adjustment and a digital display, users can achieve a precise spray application with ease. The Mark X also emphasizes user safety with built-in safeguards, including automatic shut-off systems. Its larger capacity makes it suitable for commercial-grade projects, ensuring effective coverage and efficiency.

In summary, the Graco Mark series, including the Mark VII, Mark IV, Mark V, 1595, and Mark X, offers a range of options with varied features and capabilities. Whether for small DIY tasks or large-scale commercial jobs, there is a model to meet every need, ensuring professional-quality results and user satisfaction.