Graco Inc 695 Premium Hi-Boy, 795 Premium Hi-Boy, 3A0157A Troubleshooting, Mechanical/Fluid Flow

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Troubleshooting

Troubleshooting

Mechanical/Fluid Flow

Perform Pressure Relief Procedure; page 8.

 

 

WHAT TO CHECK

 

WHAT TO DO

TYPE OF PROBLEM

If check is OK, go to next check

When check is not OK, refer to this column

 

 

 

 

 

E=XX is displayed

1.

Fault condition exists

1.

Determine fault correction from table,

 

 

 

 

page 13.

 

 

 

 

 

False tripping of WatchDog

1.

Operating conditions out of

1.

Turn pressure down. Refer to operation

system. EMPTY is dis-

 

WatchDog parameters. Pump

 

manual for adjusting. Operate without

played. Pump does not

 

output is low, see below.

 

WatchDog active; see operation manual.

run.

 

 

 

 

 

 

 

 

 

10

3A0157A

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Contents Electric Airless Sprayers MarkModels Ultra MAX lIlTable of Contents Grounding Instructions GroundingFire and Explosion Hazard Skin Injection HazardPressurized Aluminum Parts Hazard Equipment Misuse HazardElectric Shock Hazard Moving Parts HazardComponent Identification Pressure Relief Procedure Pails Power RequirementsGrounding Extension CordWhat to Check What to do Type of Problem TroubleshootingMechanical/Fluid Flow Follow Pressure Relief Procedure on What to Check What to do Type of Problem Type of Problem What to Check HOW to Check ElectricalCheck to see if transducer and control board Step Check Motor Thermal Switch Unplug thermal Is not correct, replace motor Sprayer Will Not Shut Off YESSprayer Will Not Run Step Removal Installation VAC and 110 VAC Motor Control Board33 D 115 VAC Filter Board RemovalPressure Adjust Potentiometer Pressure Control Transducer Install control box 61 and control panel 68 with four screws 3A0157A Disassembly Drive and Bearing Housing ReplacementAssembly Drive and Bearing Housing Replacement Installation Motor ReplacementRemoval Motor Replacement Displacement Pump Replacement for 695/795/Mark Perform Relieve Pressure ProcedureTi7169a Displacement Pump Replacement 1095/1595/Mark Perform Pressure Relief Procedure,Place u-bolt on pump door protrusion Attach drain hose to sprayer Hose Reel Grease shaft Install swivel Reed Switch Replacement Removal InstallationWiring Diagram 120V Models120V Models with 15/20 Amp Switch 240V Models 3A0157A Graco Standard Warranty For Graco Canada Customers