Graco 334466A Board, Motor thermal device When cool, correct cause, Display shows E=06

Page 37

Troubleshooting

Problem

What to Check

How to check

8.Use an Ohm meter to check motor for shorts. Connect (–) meter lead to motor case. Move the (+) meter lead to each motor wire. Meter should read open on all wires.

		GROUND
		BLACK
		RED
		YELLOW
		OL
		-
		ti24724a
		9.Reconnect motor connector(s) to
		control board socket(s). Connect
		power, turn ON/OFF switch ON and
		control knob to 1/2 turn clockwise. If
		motor does not run, replace control
		board.
Sprayer does not run at all	Motor is hot or there is a fault in the	Allow sprayer to cool. If sprayer runs
AND	motor thermal device.	when cool, correct cause of
AND		overheating. Keep sprayer in cooler
Display shows E=06		overheating. Keep sprayer in cooler
Display shows E=06		location with good ventilation. Make
OR		sure motor air intake is not blocked. If
OR		sprayer still does not run, replace
Control board status light blinks 6		sprayer still does not run, replace
Control board status light blinks 6		motor.
times repeatedly
Sprayer does not run at all	Check voltage supply to the sprayer	Turn ON/OFF switch OFF and
AND	(incoming voltage too low for sprayer	disconnect power to the sprayer.
AND	operation).
Display shows E=08	operation).
Display shows E=08
OR
Control board status light blinks 8
times repeatedly

334466A

37

Image 37

Contents Contractor/FTx Related ManualsSG3 334599Contents Stand Lo-Boy Hi-BoyModel Extension 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 334466A SetupTi24638a Make certain ON/OFF switch is OFF Turn prime valve horizontal. Disengage trigger lock Startup Perform Pressure Relief Procedure,20 s Ti24652a Perform Pressure Relief Procedure, Spray Tip InstallationOperation SprayClear Tip Clog Digital Display Pressure Display Perform Pressure Relief Procedure,Stored Data Display Ti2824a Cleanup Raise fluid intake above flushing fluid Ti24719a Activity Interval MaintenanceMechanical/Fluid Flow TroubleshootingRefer to this column Clockwise position. If problem Properly installed to allow fullHolders Dust with a small cleaning brush Piston packings are worn orSpray tip is partially clogged Possible during primingFluid supply is low or empty Pump manual. Check fluid supplyElectrical Problem What to Check How to check Are clean and secure Install new transducer. Connect Sprayer does not run at all Check transducer or transducer ConnectionsVolt battery to the motor Contacts are clean and secureSize. Locate the two wires Should spin when battery isOhms Board Motor thermal device When cool, correct causeDisplay shows E=06 Replace loose terminals crimp to Basic electrical problemsMotor. Check both brushes Rest squarely on top of brush Motor brushes may be bindingSprayer Will Not Run Sprayer Will Not RunStep Sprayer Will Not Shut Off Troubleshooting ProcedureStand Sprayers Torque Ref. Part Description Stand Sprayers Parts ListQty Models 17C315 Lo-Boy Sprayers6040 132 Models 17C315 Ref. Part Description Lo-Boy Sprayers Parts ListModels 17C317, 17C362, 17C408 Hi-Boy Sprayers40 44 117 Models 17C317, 17C362, 17C408 Ref. Part Description Hi-Boy Sprayers Parts ListAlert  Accessories and LabelsControl Box Grommet Control Box Parts List120V, US/Japan Wiring DiagramsTP1 TP2 110V, UKUltra 395 PC / Ultra 395 PC Classic Technical SpecificationsMetric Materials of Construction For Graco Canada Customers Graco Standard WarrantyInternational Offices Belgium, China, Japan, Korea Graco Information