Graco Inc 3A0157A, 695 Premium Hi-Boy, 795 Premium Hi-Boy Is not correct, replace motor

Page 17

Troubleshooting

TYPE OF PROBLEM

WHAT TO CHECK

HOW TO CHECK

 

 

 

Sprayer does not run at all

Allow sprayer to cool. If sprayer runs

NOTE: Motor must be cooled down for the test.

 

when cool, correct cause of

 

Digital display shows E=06

1. Check thermal device connector (yellow wires)

overheating. Keep sprayer in cooler

 

 

location with good ventilation. Make

at control board.

 

 

 

sure motor air intake is not blocked. 2. Disconnect thermal device connector from control

 

If sprayer still does not run, follow

board socket. Make sure contacts are clean and

 

Step 1.

secure.

Control board status light blinks

6 times repeatedly

 

Measure resistance of the thermal device. If reading

 

 

 

 

is not correct, replace motor.

 

 

Check Motor Thermal Switch: Unplug thermal

 

 

wires. Set meter to ohms. Meter should read the

 

 

proper resistance for each model (see table below).

-

 

 

 

 

 

 

Resistance Table:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ti13140a

 

 

695

0 ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

795

2k ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1095

3.9k ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1595

6.2k ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MARK IV

2k ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MARK V 120V

6.2k ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MARK V 240V

3.9k ohms

 

 

 

 

 

 

 

 

 

 

3.

Reconnect thermal device connector to control

 

 

 

board socket. Connect power, turn sprayer ON and

 

 

 

control knob 1/2 turn clockwise. If sprayer does not

 

 

 

run, replace control board.

 

 

 

 

 

 

 

 

 

 

 

Sprayer does not run at all

Check the connections. Control

1.

Turn power OFF.

 

 

 

 

is not receiving a motor position

 

 

 

 

 

 

 

Digital display shows E=09

2.

Disconnect motor position sensor and inspect for

sensor signal

 

 

damage at connectors.

 

 

 

 

 

 

 

 

 

3.

Reconnect sensor.

 

 

 

 

4.

Turn power ON. If error continues, replace motor.

Control board status light blinks

 

 

 

 

 

 

 

 

 

9 times repeatedly

 

 

 

 

 

 

 

 

3A0157A

17

Image 17
Contents Mark Electric Airless SprayersUltra MAX lIl ModelsTable of Contents Grounding Grounding InstructionsSkin Injection Hazard Fire and Explosion HazardElectric Shock Hazard Equipment Misuse HazardPressurized Aluminum Parts Hazard Moving Parts HazardComponent Identification Pressure Relief Procedure Grounding Power RequirementsPails Extension CordMechanical/Fluid Flow TroubleshootingWhat to Check What to do Type of Problem Follow Pressure Relief Procedure on What to Check What to do Type of Problem Electrical Type of Problem What to Check HOW to CheckCheck to see if transducer and control board Step Check Motor Thermal Switch Unplug thermal Is not correct, replace motor YES Sprayer Will Not Shut OffSprayer Will Not Run Step VAC and 110 VAC Motor Control Board Removal Installation33 D 115 Removal VAC Filter BoardPressure Adjust Potentiometer Pressure Control Transducer Install control box 61 and control panel 68 with four screws 3A0157A Assembly Drive and Bearing Housing ReplacementDisassembly Drive and Bearing Housing Replacement Removal Motor ReplacementInstallation Motor Replacement Perform Relieve Pressure Procedure Displacement Pump Replacement for 695/795/MarkTi7169a Perform Pressure Relief Procedure, Displacement Pump Replacement 1095/1595/MarkPlace u-bolt on pump door protrusion Attach drain hose to sprayer Hose Reel Grease shaft Install swivel Removal Installation Reed Switch Replacement120V Models Wiring Diagram120V Models with 15/20 Amp Switch 240V Models 3A0157A For Graco Canada Customers Graco Standard Warranty