Advanced Troubleshooting
Advanced Troubleshooting
WARNING
Page 4.
General Problem: Motor Does Not Operate
Specific Problem | Cause |
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Power switch is on and sprayer | See Basic Troubleshooting, |
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is plugged in; pump does not | page 9 |
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cycle |
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Basic mechanical problems | Paint is frozen or hardened in | Unplug sprayer from electrical outlet. | |
| pump |
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| If paint is frozen in sprayer: | |
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| • Do NOT try to start sprayer until completely | |
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| thawed or you may damage the motor, control | |
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| board, and/or drivetrain. | |
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| 1. | Turn OFF power switch |
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| 2. | Place sprayer in warm area for several |
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| hours |
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| 3. | Plug in and turn on sprayer |
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| 4. | Slowly increase pressure until motor starts |
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| If paint hardened in sprayer: | |
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| 1. | Replace pump packings |
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| 2. | Remove all residue from valves |
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| Pump Service, page 20. | |
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| Motor is damaged | Remove gear and try to rotate motor shaft by | |
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| hand. See Motor Diagnostics, page 19. If shaft | |
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| will not turn, replace motor using Motor Kit, page | |
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| 18. |
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| Yoke is broken because pump | Repair or replace using Gear/Yoke Kit, page 18. | |
| is locked up due to dried paint |
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| Repair pump, page 20. | ||
| or worn packings (XR9 only) | ||
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309477F | 11 |