Troubleshooting

TYPE OF PROBLEM

WHAT TO CHECK

 

HOW TO CHECK

 

 

 

 

 

 

Sprayer does not run at all

Check transducer or transducer

1.

Set sprayer to OFF and disconnect power to

 

 

 

connections (control board is not

 

sprayer.

Display shows CODE 03

 

detecting a pressure signal).

 

 

 

 

 

2.

Check transducer and connections to control board.

 

 

 

 

 

 

 

 

3.

Disconnect transducer from control board socket.

 

 

 

 

 

 

 

 

 

 

 

 

 

Check to see if transducer and control board

 

 

 

 

 

contacts are clean and secure.

 

 

 

 

4.

Reconnect transducer to control board socket.

 

 

 

 

 

 

 

 

 

 

 

 

 

Connect power, set sprayer ON and control knob

 

 

 

 

 

to 1/2 turn clockwise. If sprayer does not run,

Control board status light blinks

 

 

set sprayer to OFF and go to next step.

3 times repeatedly

 

 

 

 

 

 

 

5.

Connect a confirmed working transducer to control

 

 

 

 

 

board socket.

 

 

 

 

6.

Set sprayer ON and control knob to 1/2 turn

 

 

 

 

 

clockwise. If sprayer runs, install new transducer.

 

 

 

 

 

Replace control board if sprayer does not run.

 

 

 

 

7.

Check transducer resistance with ohmmeter (less

 

 

 

 

 

than 9k ohm between red and black wires and 3-6k

 

 

 

 

 

ohm between green and yellow wires).

 

 

 

 

 

 

Sprayer does not run at all

Check voltage supply to the

1.

Set sprayer to OFF and disconnect power to

 

 

 

sprayer (control board is

 

sprayer.

Display shows CODE 4

 

 

 

 

detecting a multiple voltage

2.

Locate a good voltage supply to prevent damage to

 

 

 

surges).

 

 

 

 

electronics.

 

 

 

 

 

 

 

 

 

 

Control board status light blinks four times repeatedly

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Graco 795, Mark VII, Mark IV, Mark X, 695, 1095, 1595 important safety instructions Check voltage supply to

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.

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