Graco 334466A important safety instructions Sprayer Will Not Run

Page 39

Troubleshooting

Sprayer Will Not Run

(See following page for steps)

Sprayer Will Not Run

(see following pages for steps)

Remove Control box cover. Turn sprayer ON. Observe control board status light on control board (see page 27).

No Light

	Once	Normal Operation
	Light on	Control board
	Light on	Commanding motor
	continuously	Commanding motor
		to run
		See Code section for

See Step 1. Do you have over 100 VAC

(220 VAC for 230v units)?

YES

NO

See Step 2. Do you have over 100 VAC

(220 VAC for 230v units)?

Flashing	further troubleshooting

	YES					NO


Replace					Repair or
the On/Off					replace
	switch.				power cord.

See Step 3. Is there

Continuity through the thermal switch wires?

YES

See Step 4.

Does the motor run?

If motor is hot, let cool and retest. If Step 3 still NO shows no continuity, replace motor. The motor

has a defective thermal device.

			Connect a test transducer to the board.
NO			Connect a test transducer to the board.
NO				Does the motor run?
				Does the motor run?

YES

Replace the potentiometer.

YES

Replace

the transducer

NO

Replace

the control board

ti24726a

334466A

39

Image 39

Contents 334599 Related ManualsContractor/FTx SG3Contents Hi-Boy Stand Lo-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 Pails Power RequirementsGrounding Extension CordsPressure 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 Spray Spray Tip InstallationPerform Pressure Relief Procedure, OperationClear Tip Clog Pressure Display Perform Pressure Relief Procedure, Digital DisplayStored Data Display Ti2824a Cleanup Raise fluid intake above flushing fluid Ti24719a Activity Interval MaintenanceTroubleshooting Mechanical/Fluid FlowRefer to this column Piston packings are worn or Properly installed to allow fullClockwise position. If problem Holders Dust with a small cleaning brushPump manual. Check fluid supply Possible during primingSpray tip is partially clogged Fluid supply is low or emptyElectrical Problem What to Check How to checkConnections Install new transducer. ConnectAre clean and secure Sprayer does not run at all Check transducer or transducerShould spin when battery is Contacts are clean and secureVolt battery to the motor Size. Locate the two wiresOhms Motor thermal device When cool, correct cause BoardDisplay shows E=06 Rest squarely on top of brush Motor brushes may be binding Basic electrical problemsReplace loose terminals crimp to Motor. Check both brushesSprayer Will Not Run Sprayer Will Not RunStep Sprayer Will Not Shut Off Troubleshooting ProcedureStand Sprayers Torque Stand Sprayers Parts List Ref. Part DescriptionQty 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