Graco 309909H Main Control Board Schematic, Pump Solenoid Expansion Board Schematic, Pin

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248349 Main Control Board Schematic

248349 Main Control Board Schematic

Pin 1 Pin 1

248349 Main Control Board LEDs

J5	J6	F1
J5
D12 D6 D13 D5 D10
U4
		J4
	Pin 1
D2
J2		J1
J2	J8
	J8

Pin 1

Pin 1

Pin 1

LED	Description


D2	In normal operation D2 flashes on and off in 1
	second intervals. If D2 is off (not flashing),
	software is not booting; check for power to
	the board or a short circuit.

D5	On: Dispense valve B is on (open).
	Off: Dispense valve B is off (closed).

D6	Active only on units with recirculation option.
	On: Recirculation solenoid is on.
	Off: Recirculation solenoid is off.

D10	On: Dispense valve A is on (open).
	Off: Dispense valve A is off (closed).

D12	On: Remote alarm output on.
	Off: Remote alarm output off.

D13	D13 is always off. Output powers the 246899
	Expansion Board, turning the board on and
	off.

TI11316a

246899 Pump Solenoid Expansion Board Schematic

Pin 1

D1

D2

D3

D4

1

P4

Pin 1

J1

P3

P2

P1

TI11229a

246899 Pump Solenoid Expansion Board LEDs

LED	Description


D1	On: Pump B is on the downstroke.

D2	On: Pump B is on the upstroke.

D3	On: Pump A is on the downstroke.

D4	On: Pump A is on the upstroke.

S

G

P

309909H

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Contents Important Safety Instructions Repair PartsManual Conventions ContentsSeries Description Psi MPa, bar Approvals ProMix Easy ModelsComponent Manuals in English Description Related ManualsFire and Explosion Hazard Equipment Misuse Hazard Fluid Manifold to Gun Pressure Relief ProcedurePump to Fluid Manifold Problem Solution MaintenanceProblem Cause Solution TroubleshootingCircuit. See Electrical Schematic, Relieve pressure. Install larger tip. Follow Code Startup ErrorsOperating Errors Testing Error Code Alarm Active Problem CauseReplacing Air Filter Element RepairRemoval Software UpgradesReplacing Main Circuit Board Replacing Display Circuit Board Alternator Repair Pneumatic ControlReplacing Alternator Regulator Replacing AlarmReplacing Solenoids Follow Pressure Relief Procedure, Dispense Valve/Mix Manifold AssemblySchematic Pin Main Control Board SchematicPump Solenoid Expansion Board Schematic Main Control Board LEDsPart No Series A, Pump-based, Cart-mounted Air Spray Unit Parts78 Ref Cable ConnectionsNo. Part No. Description Pump and Meter-based, Wall-mounted Air Spray Units Pump Solenoid Cable Connections Description Qty See page 27 for model numbers and descriptionsPump-based, Wall-mounted Air Spray Units 494025 24 Ref See page 30 for model numbers and descriptions Meter-based, Wall-mounted High Pressure Units 65 Ref 4025 24 Ref See page 33 for model numbers and descriptions Pump-based, Wall-mounted High Pressure Units Muffler See page 36 for model numbers and descriptions Ft 5.2 ft Pump and Meter-based, Wall-mounted High Pressure Units TI4908a Muffler See page 40 for model numbers and descriptionsCheck Valve Side Tube Connections, Low Pressure PumpsP2P1 Tube Connections, High Pressure PumpsC1G1 P2 M1 Tube Connections, MetersPneumatic Schematic Part No. Description Qty Intrinsically Safe Pneumatic ControlSolenoid Module 306 Detail Alternator Module 304 DetailNon-intrinsically Safe Pneumatic Control 307 Display User InterfaceNo. Part No. Description Qty Pump Air Control Meter Air ControlTechnical Data Technical Data Graco Information Graco Standard Warranty