Troubleshooting
Troubleshooting
WARNING
Read warnings, page 3.
Relieve pressure before you check or repair the meter. Follow the Pressure Relief Procedure, page 8.
Be sure all other valves and controls and the pump are operating properly. If using the chart below to trouble- shoot is not successful, contact your Graco distributor for repairs or component replacement.
Problem | Cause | Solution |
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Battery display | Battery has low charge. | Recharge battery. |
bars do not appear. |
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Meter display does | Battery is dead. | Attempt to recharge a dead battery using procedures |
not activate. |
| outlined in the Battery Charger Instruction Manual |
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| (309502). If procedure does not restore a normal |
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| charge, replace the battery. |
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| Battery inserted too soon. | Wait 30 seconds and reinstall fully charged battery. |
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| Cable connections are loose or dis- | Ensure cables are properly connected. See page 22. |
| connected. |
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| Electronic display is damaged. | Replace with Bezel Repair Kit (246438). See page 33. |
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Slow or no fluid | CleanLine filter system is clogged. | Clean or replace the CleanLine filter. Refer to the Clean- |
flow from meter. |
| Line Filter System Instruction Manual (310652). |
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| Meter is not in dispense mode. | See dispense options, page 14. |
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| Matrix meter filter is clogged. | Clean or replace the Matrix meter filter element. See |
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| Cleaning or Replacing the FIlter page 21. |
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| Pump pressure is low. | Turn up air pressure to the pump. SeeTechnical Speci- |
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| fications page 35. |
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| Pump or reel fluid | Fully open pump or reel fluid |
| not fully open. |
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| Meter hydraulic valve is not function- | If meter bars are lit indicating flow, the nozzle tip is fully |
| ing. | open, and the fluid flow has been verified to the meter |
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| valve inlet, then the meter hydraulic valve has failed and |
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| the meter should be replaced. |
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| Electronic board connections may be | Verify that all connectors are connected or |
| loose or disconnected. | the board connections. See page 22. |
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| Trigger membrane switch is dam- | Replace the trigger membrane using the Trigger Repair |
| aged - flow bars DO NOT show on | Kit (246439 N. A., 249883 Australia). See page 33. |
| the meter display when the trigger IS |
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| actuated. |
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| Meter valve is blocked with debris - | Flush the valve with mineral spirits at high pressure and |
| flow bars DO show on the meter dis- | flow. Warning: do not exceed the maximum working |
| play when trigger IS actuated. | pressure of the meter (1500psi - 103 bar). |
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| Quick close nozzle is closed. | Open nozzle, see FIG. 21 on page 15. |
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| A hydraulic quick disconnect was | Quick disconnects should not be used with Matrix prod- |
| used to connect the meter to the dis- | uct, doing so voids the warranty. |
| pense hose, allowing debris to clog |
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| meter. |
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16 | 309497L |
