Ohms | Graco 395/490/495/595 guide

Troubleshooting

Step 1:

Plug Power cord in and turn switch ON. Connect probes to ontrol board. Turn meter to AC Volts.

Step 2:

Plug Power cord in and turn switch ON. Connect probes to control board. Turn meter to AC Volts

110-120 AC

V

-

On/Off

Switch

Blue

Brown

Power Green Cord

110-120 AC

V

-

Power Green Cord

Black

Blue

Step 3:

Check motor thermal switch. Unplug yellow wires. Meter should read

100 ohms. NOTE: Motor should be

Step 4:

Disconnect potentiometer. Plug power cord in and turn switch ON.

cool during reading.

100 ohms

Yellow Thermistor
Wires to motor	-
	-

-

+

Control Board

To Potentiometer

ti24084a

334530A

39

Image 39

Graco 395/490/495/595 important safety instructions Ohms

Contents

334599 Related ManualsContractor/FTx SG3 Contents Model ModelsHi-Boy Stand Lo-Boy Extension Cords Grounding Fire and Explosion Hazard Equipment Misuse Hazard Personal Protective Equipment Stand Models Component Identification Lo-Boy Models Hi-Boy Models Hi-Boy Models Pails Power RequirementsGrounding Extension Cords Pressure Relief Procedure Trigger Lock 334530A Setup Ti24638a Make certain ON/OFF switch is OFF Setup Startup Perform Pressure Relief Procedure 20 s Spray Spray Tip InstallationPerform Pressure Relief Procedure, Operation Clear Tip Clog Pressure Display Perform Pressure Relief Procedure, Digital DisplayStored Data Display Ti2824a Fast Flush Drain Tube Cleanup To flush drain tube and pump turn prime valve down Fast Flush Hose and Gun If flushing with water, flush again with Activity Interval Maintenance Troubleshooting Mechanical/Fluid FlowRefer 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 check Displays Code 03 message Step Ohms Motor thermal device When cool, correct cause Sprayer Will Not Run Sprayer Will Not Run Ohms Sprayer Will Not Shut Off Troubleshooting Procedure See 395/490/495 Stand Sprayers 132 395/490/495 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 List Alert  Accessories and Labels Control Box Grommet Control Box Parts List Control Box 120V, US/Japan Wiring Diagrams 110V, UK 395/490/495/595 Technical Specifications Noise** dBa @ 70 psi 0.48 MPa, 4.8 bar For Graco Canada Customers Graco Standard Warranty International Offices Belgium, China, Japan, Korea Graco Information