Graco 334466A Sprayer does not run at all Check transducer or transducer, Connections, Secure

Page 34

Troubleshooting

Problem

What to Check

How to check

 

 

 

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

Display shows E=02

 

 

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.

 

 

 

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

Display shows E=03

 

 

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.

 

 

 

34

334466A

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Contents SG3 Related ManualsContractor/FTx 334599Contents Stand Lo-Boy Hi-BoyModel Grounding 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 334466ATi24638a Make certain ON/OFF switch is OFF Turn prime valve horizontal. Disengage trigger lock Perform Pressure Relief Procedure, Startup20 s Ti24652a Operation Spray Tip InstallationPerform Pressure Relief Procedure, SprayClear Tip Clog Digital Display Pressure Display Perform Pressure Relief Procedure,Stored Data Display Ti2824a Cleanup Raise fluid intake above flushing fluid Ti24719a Maintenance Activity IntervalMechanical/Fluid Flow TroubleshootingRefer to this column Holders Dust with a small cleaning brush Properly installed to allow fullClockwise position. If problem Piston packings are worn orFluid supply is low or empty Possible during primingSpray tip is partially clogged Pump manual. Check fluid supplyProblem What to Check How to check ElectricalSprayer does not run at all Check transducer or transducer Install new transducer. ConnectAre clean and secure ConnectionsSize. Locate the two wires Contacts are clean and secureVolt battery to the motor Should spin when battery isOhms Board Motor thermal device When cool, correct causeDisplay shows E=06 Motor. Check both brushes Basic electrical problemsReplace loose terminals crimp to Rest squarely on top of brush Motor brushes may be bindingSprayer Will Not Run Sprayer Will Not RunStep Troubleshooting Procedure Sprayer Will Not Shut OffStand Sprayers Torque Ref. Part Description Stand Sprayers Parts ListQty Lo-Boy Sprayers Models 17C3156040 132 Lo-Boy Sprayers Parts List Models 17C315 Ref. Part DescriptionHi-Boy Sprayers Models 17C317, 17C362, 17C40840 44 117 Hi-Boy Sprayers Parts List Models 17C317, 17C362, 17C408 Ref. Part DescriptionAccessories and Labels Alert Control Box Control Box Parts List GrommetWiring Diagrams 120V, US/Japan110V, UK TP1 TP2Technical Specifications Ultra 395 PC / Ultra 395 PC ClassicMetric Materials of Construction Graco Standard Warranty For Graco Canada CustomersGraco Information International Offices Belgium, China, Japan, Korea
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