Troubleshooting
Troubleshooting
Check everything in this Troubleshooting Table before you bring the sprayer to a Graco/MAGNUM autho- rized service center.
Problem | Cause | Solution | |
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Power is on and sprayer is plugged | AllControl is set at zero pressure. | Turn AllControl clockwise to increase | |
in, but motor does not run, and pump |
| pressure setting. | |
does not cycle. |
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Motor or control is damaged. | Take sprayer to Graco/MAGNUM | ||
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| authorized service center. | |
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| Electric outlet is not providing power. | • Try a different outlet or plug in | |
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| something that you know is work- | |
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| ing to test outlet. | |
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| • Reset building circuit breaker or | |
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| replace fuse. | |
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| Extension cord is damaged. | Replace extension cord. Read | |
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| Grounding and Electric Require- | |
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| ments, page 4. | |
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| Sprayer electric cord is damaged. | Check for broken insulation or wires. | |
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| Replace electric cord if damaged. | |
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| Paint is frozen or hardened in pump. | Unplug sprayer from outlet. If frozen | |
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| do NOT try to start sprayer until it is | |
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| completely thawed or you may dam- | |
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| age the motor, control board and/or | |
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| drivetrain. | |
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| Make sure AllControl is OFF. Place | |
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| sprayer in a warm area for several | |
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| hours. Then plug in and turn AllCon- | |
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| trol to Prime/Clean to see if motor will | |
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| start. | |
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| If paint is hardened in sprayer, pump | |
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| packings, valves, drivetrain or pres- | |
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| sure switch may need to be replaced. | |
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| Take sprayer to Graco/MAGNUM | |
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| authorized service center. | |
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| System is already pressurized. | Turn AllControl to OFF, pause | |
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| seconds and then turn AllControl to | |
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| STORAGE to relieve pressure. | |
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Pump does not prime. | AllControl not set to correct function. | Turn AllControl to PRIME/CLEAN | |
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| PRIME position. | |
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| Inlet screen is clogged. | Clean debris off inlet screen. | |
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| Pump valve check balls or seat are | Remove fittings. Clean or replace ball | |
| dirty. | and seat. | |
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312079A | 31 |
