Basic Troubleshooting
Basic Troubleshooting
The following troubleshooting guidelines are included here as preemptive measures against Advanced Troubleshooting, page 11.
Problem | Cause | Solution | |
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Power switch is on and sprayer | Pressure is set at zero | Turn pressure control knob counterclockwise to | |
is plugged in, but motor does | pressure | increase pressure setting. | |
not run and pump does not |
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Motor control is damaged | See Motor Does Not Operate, page 11. | ||
cycle |
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Electrical outlet is not providing | • Try a different outlet or plug in something that | ||
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| power | you know is working to test outlet | |
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| • Reset building circuit breaker or replace fuse | |
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| Extension cord is damaged | Replace extension cord. See Grounding and | |
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| Electrical Requirements, page 7. | |
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| Sprayer electrical cord is | Check for broken insulation or wires. Replace | |
| damaged | electrical cord if damaged. | |
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| Paint is frozen or hardened in | See Motor Does Not Operate, page 11. | |
| pump |
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Pump does not prime | Turn Prime/Spray valve to PRIME position | ||
| SPRAY position | (pointing down). | |
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| Inlet screen is clogged or | Clean debris off inlet screen and make sure | |
| suction tube is not immersed | suction tube is at bottom of paint pail. | |
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| Balls in check valve are stuck | Clean or replace check valves. See Pump | |
| or check valves are damaged | Service, page 20. Do not store in water. | |
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| Suction tube is leaking | Tighten suction tube connection. Inspect for other | |
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| cracks or vacuum leaks. | |
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Spray gun stopped spraying | Spray tip is plugged | Unplug spray tip. Manual 309097. | |
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Pump cycles but does not build | Pump is not primed | Prime pump. | |
up pressure |
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Inlet screen is clogged or | Clean debris off inlet screen and make sure | ||
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| suction tube is not immersed | suction tube is at bottom of paint pail. | |
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| Paint pail is empty | Refill paint pail and reprime sprayer. | |
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| Suction tube is leaking | Tighten suction tube connection. Inspect for other | |
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| cracks or vacuum leaks. | |
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| Pump check valves are dirty or | Clean or replace check valves. See Pump | |
| damaged. (Usually only one | Service, page 20. | |
| valve) |
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| Prime/Spray valve is worn or | Check Prime/Spray valve for debris trapped on | |
| obstructed with debris | seat and worn parts. Torque to 21 N·m (185 | |
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Pump cycles but paint only | Pressure is set too low | Slowly turn pressure control knob clockwise to | |
dribbles or spurts when spray |
| increase pressure setting. Sprayer should develop | |
gun is triggered |
| more pressure. | |
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| Spray tip is plugged | Unplug spray tip. Manual 309097. | |
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| InstaClean fluid filter is clogged | Clean or replace InstaClean fluid filter. | |
| (XR9 only) |
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| Spray gun fluid filter is clogged | Clean or replace spray gun fluid filter. | |
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309477F | 9 |