Graco 395/490/495/595 important safety instructions Displays Code 03 message

Page 34

Troubleshooting

Problem

What to Check

How to check

 

 

 

Sprayer does not run at all

Check transducer or transducer

Turn ON/OFF switch OFF and

AND

connections (control board is not

disconnect power to sprayer.

detecting a pressure signal).

Check transducer and connections to

Displays Code 03 message

 

 

control board.

OR

 

 

Disconnect transducer from control

Control board status light blinks 3

 

 

board socket. Check to see if

times repeatedly

 

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

 

 

to 1/2 turn clockwise. If sprayer does

 

 

not run, turn ON/OFF switch OFF and

 

 

go to next step.

 

 

Connect a confirmed working

 

 

transducer to control board socket.

 

 

Turn ON/OFF switch ON and control

 

 

knob to 1/2 turn clockwise. If sprayer

 

 

runs, install new transducer. Replace

 

 

control board if sprayer does not run.

 

 

Check transducer resistance with an

 

 

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

Control is commanding motor to run

1.Remove pump and try to run

AND

but motor shaft does not rotate.

sprayer. If motor runs, check for

Possibly locked rotor condition, an

locked or frozen pump or drive train.

Displays Code 05 message

open connection exists between

If sprayer does not run, continue to

OR

motor and control, there is a problem

step 2.

with motor or control board, or motor

2.Turn ON/OFF switch OFF and

Control board status light blinks 5

amp draw is excessive.

disconnect power to sprayer.

times repeatedly

 

 

3.Disconnect motor connector(s) from

 

 

 

 

control board socket(s). Check that

 

 

motor connector and control board

 

 

contacts are clean and secure. If

 

 

contacts are clean and secure,

 

 

continue to step 4.

 

 

4.Set sprayer to OFF and spin motor

 

 

fan 1/2 turn. Restart sprayer. If

 

 

sprayer runs replace control board.

 

 

If sprayer does not run, continue to

 

 

step 5.

 

 

 

34

334530A

Image 34
Contents SG3 Related ManualsContractor/FTx 334599Contents Stand Lo-Boy ModelsHi-Boy ModelGrounding Extension CordsFire and Explosion Hazard Equipment Misuse Hazard Personal Protective Equipment Component Identification Stand ModelsLo-Boy Models Hi-Boy Models Hi-Boy Models Extension Cords Power RequirementsGrounding PailsPressure Relief Procedure Trigger Lock Setup 334530ATi24638a Make certain ON/OFF switch is OFF Setup Perform Pressure Relief Procedure Startup20 s Operation Spray Tip InstallationPerform Pressure Relief Procedure, SprayClear Tip Clog Digital Display Pressure Display Perform Pressure Relief Procedure,Stored Data Display Ti2824a Cleanup Fast Flush Drain TubeFast Flush Hose and Gun To flush drain tube and pump turn prime valve downIf flushing with water, flush again with Maintenance Activity IntervalMechanical/Fluid Flow TroubleshootingRefer to this column Properly installed to allow full Possible during priming Perform Pressure Relief Procedure, Error Code MessagesElectrical Problem What to Check How to check System see Pressure ReliefDisplays Code 03 message Step Ohms Motor thermal device When cool, correct cause Sprayer Will Not Run Sprayer Will Not RunOhms Troubleshooting Procedure Sprayer Will Not Shut Off395/490/495 Stand Sprayers See132 Ref. Part Description 395/490/495 Stand Sprayers Parts ListQty 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 117 395/490/495/595 Hi-Boy Sprayers Parts List Ref. PartAccessories and Labels Alert Control Box Control Box Parts List GrommetControl Box Wiring Diagrams 120V, US/Japan110V, UK Technical Specifications 395/490/495/595Noise** dBa @ 70 psi 0.48 MPa, 4.8 bar Graco Standard Warranty For Graco Canada CustomersGraco Information International Offices Belgium, China, Japan, Korea