Graco 395/490/495/595 Problem What to Check How to check, System see Pressure Relief

Page 33

 

 

Troubleshooting

 

 

 

 

Problem

What to Check

 

How to check

 

 

 

 

Sprayer does not run at all

See flow chart, page 38.

 

 

AND

 

 

 

Display is blank

 

 

 

OR

 

 

 

Control board status light never lights

 

 

 

 

 

 

 

Sprayer does not shut off

Control board.

 

Replace control board.

AND

 

 

 

Displays Code 02 message

 

 

 

OR

 

 

 

Control board status light blinks 2

 

 

 

times repeatedly

 

 

 

 

 

 

 

Sprayer does not run at all

Check transducer or transducer

 

Make sure there is no pressure in the

AND

connections

 

system (see Pressure Relief

 

 

Procedure, page 13). Check fluid

Displays Code 02 message

 

 

 

 

path for clogs, such as clogged filter.

OR

 

 

Use airless paint spray hose with no

Control board status light blinks 2

 

 

metal braid. A small hose or metal

 

 

braid hose may result in

times repeatedly

 

 

 

 

high-pressure spikes.

 

 

 

 

 

 

Turn ON/OFF switch OFF and

 

 

 

disconnect power to sprayer.

 

 

 

Check transducer and connections to

 

 

 

control board.

 

 

 

Disconnect transducer from control

 

 

 

board socket. Check that transducer

 

 

 

and control board contacts are clean

 

 

 

and secure.

 

 

 

Reconnect transducer to control

 

 

 

board socket. Connect power, turn

 

 

 

ON/OFF switch ON and control knob

 

 

 

1/2 turn clockwise. If sprayer does not

 

 

 

run properly, turn ON/OFF switch

 

 

 

OFF and go to next step.

 

 

 

Install new transducer. Connect

 

 

 

power, turn ON/OFF switch ON and

 

 

 

control knob 1/2 turn clockwise.

 

 

 

Replace control board if sprayer does

 

 

 

not run properly.

 

 

 

 

334530A

33

Image 33 Contents
Contractor/FTx Related ManualsSG3 334599Contents Hi-Boy ModelsStand Lo-Boy ModelExtension Cords GroundingFire and Explosion Hazard Equipment Misuse Hazard Personal Protective Equipment Stand Models Component IdentificationLo-Boy Models Hi-Boy Models Hi-Boy Models Grounding Power RequirementsExtension Cords PailsPressure Relief Procedure Trigger Lock 334530A SetupTi24638a Make certain ON/OFF switch is OFF Setup Startup Perform Pressure Relief Procedure20 s Perform Pressure Relief Procedure, Spray Tip InstallationOperation SprayClear Tip Clog Pressure Display Perform Pressure Relief Procedure, Digital DisplayStored Data Display Ti2824a Fast Flush Drain Tube CleanupTo flush drain tube and pump turn prime valve down Fast Flush Hose and GunIf flushing with water, flush again with Activity Interval Maintenance Troubleshooting Mechanical/Fluid Flow Refer to this column Properly installed to allow full Possible during priming Error Code Messages Perform Pressure Relief Procedure,Electrical System see Pressure Relief Problem What to Check How to checkDisplays Code 03 message Step Ohms Motor thermal device When cool, correct cause Sprayer Will Not Run Sprayer Will Not RunOhms Sprayer Will Not Shut Off Troubleshooting ProcedureSee 395/490/495 Stand Sprayers132 395/490/495 Stand Sprayers Parts List Ref. Part DescriptionQty 395/490/495/595 Lo-Boy Sprayers 117 132 395/490/495/595 Lo-Boy Sprayers Parts List 395/490/495/595 Hi-Boy Sprayers 117 Ref. Part 395/490/495/595 Hi-Boy Sprayers Parts ListAlert  Accessories and LabelsControl Box Grommet Control Box Parts ListControl Box 120V, US/Japan Wiring Diagrams110V, UK 395/490/495/595 Technical SpecificationsNoise** dBa @ 70 psi 0.48 MPa, 4.8 bar For Graco Canada Customers Graco Standard WarrantyInternational Offices Belgium, China, Japan, Korea Graco Information