Graco 309909H important safety instructions Code Alarm Active Problem Cause, Testing Error

Page 14

Alarms

Code

Alarm

Active

Problem

Cause

 

 

 

 

 

 

 

 

 

 

 

Operating Errors

 

 

 

 

(continued)

 

 

 

22

High Ratio (units with

Spray

Mix ratio higher than

Flow rate too high

 

meter[s] only)

 

Target + Tolerance

Slow actuation of dispense valve A or B

 

 

 

 

23

Low Ratio (units with

Spray

Mix ratio lower than

Clogged flow meter

 

meter[s] only)

 

Target - Tolerance

 

 

 

 

 

24

Dose Timeout A (units

Spray

Air flow switch indicates

Air flow switch stuck open.

 

with meter[s] only)

 

more than 40 sec of air

Atomizing air leak downstream of air flow switch.

 

 

 

flow without dose com-

25

Dose Timeout B (units

 

 

pleting

 

 

with meter[s] only)

 

Clogged flow meter.

 

 

 

 

 

 

 

 

 

 

 

Gun triggered without fluid (dusting parts)

 

 

 

 

 

26

Park Timeout

Park

Pumps not at bottom of

Sampling valves closed, or gun not triggered.

 

(pump-based units only)

 

stroke

 

 

 

 

 

 

 

Testing Error

 

 

 

15

Piston packing/ball A*

Test

Pump does not com-

Piston packing or ball check failure

 

 

 

pletely stall in up stroke

 

16

Piston packing/ball B*

 

 

 

 

 

 

 

 

 

 

17

Inlet Ball A*

Test

Pump does not com-

Intake valve ball check failure

 

 

 

pletely stall in downstroke

 

18

Inlet Ball B*

 

 

 

 

 

 

 

 

 

 

19

Dispense Valve A*

Test

Pump does not com-

Throat packing or dispense valve failure

 

 

 

pletely stall in both up

 

20

Dispense Valve B*

 

 

 

and down strokes

 

 

 

 

 

 

 

 

 

 

27

Pump Calibration

Run A

Pump doesn’t run

Sampling valves closed.

 

Timeout A

 

through calibration.

 

 

 

 

 

 

28

Pump Calibration

Run B

 

 

 

Timeout B

 

 

 

 

 

 

 

 

14

309909H

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Contents Repair Parts Important Safety InstructionsContents Manual ConventionsProMix Easy Models Series Description Psi MPa, bar ApprovalsRelated Manuals Component Manuals in English DescriptionFire and Explosion Hazard Equipment Misuse Hazard Pressure Relief Procedure Fluid Manifold to GunPump to Fluid Manifold Maintenance Problem SolutionTroubleshooting Problem Cause SolutionCircuit. See Electrical Schematic, Relieve pressure. Install larger tip. Follow Code Startup ErrorsOperating Errors Code Alarm Active Problem Cause Testing ErrorRepair Replacing Air Filter ElementSoftware Upgrades RemovalReplacing Main Circuit Board Replacing Display Circuit Board Pneumatic Control Alternator RepairReplacing Alternator Regulator Replacing AlarmReplacing Solenoids Dispense Valve/Mix Manifold Assembly Follow Pressure Relief Procedure,Schematic Main Control Board LEDs Main Control Board SchematicPump Solenoid Expansion Board Schematic PinParts Part No Series A, Pump-based, Cart-mounted Air Spray UnitCable Connections 78 RefNo. Part No. Description Pump and Meter-based, Wall-mounted Air Spray Units Pump Solenoid Cable Connections See page 27 for model numbers and descriptions Description QtyPump-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 See page 40 for model numbers and descriptions MufflerCheck Valve Tube Connections, Low Pressure Pumps SideTube Connections, High Pressure Pumps P2P1Tube Connections, Meters C1G1 P2 M1Pneumatic Schematic Intrinsically Safe Pneumatic Control Part No. Description QtyAlternator Module 304 Detail Solenoid Module 306 DetailNon-intrinsically Safe Pneumatic Control 307 User Interface DisplayPump Air Control Meter Air Control No. Part No. Description QtyTechnical Data Technical Data Graco Standard Warranty Graco Information
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