Troubleshooting
PROBLEM | CAUSE |
| SOLUTION |
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Bead guns not spraying | Paint guns and bead guns | If paint guns and bead guns are not working, | |
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| check paint guns first. | |
| Bead tank air valve | Turn bead tank valve ON | |
| Nozzles plugged | 1. | Turn off air pressure. |
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| 2. | Remove nozzles and clean out any plug- |
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| ging. |
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| 3. | If paper or other debris is constantly plug- |
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| ging nozzles use a filter when loading |
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| bead tank (standard window screen works |
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| fine). |
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| 4. | With nozzles removed, apply air to bead |
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| tank. Spray beads into dry container. |
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| 5. | Check if beads are wet. If beads are wet, |
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| remove beads from bead tank and replace |
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| with dry beads. |
| Solenoid valves | 1. | Go to diagnostic screen and check to see |
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| if all solenoids are being recognized by |
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| RoadPak Skipline Controller (manual |
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| 3A1215). |
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| 2. | Remove solenoid valve cover (590). |
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| 3. | Check for broken wiring or a damaged |
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| plug (see Wiring Diagram, page 25). |
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| 4. | Check for 12V DC between red wire and |
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| ground. |
| Programmable Skipline Controller | 1. | Go to diagnostic screen and make sure all |
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| switches are properly working (manual |
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| 3A1215). |
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| 2. | Inspect wiring and plugs for damage. |
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| 3. | Replace any damaged wiring or plugs |
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| (manual 3A1301). |
Actual line length not matching pro- | Out of calibration | 1. | Follow calibration in Programmable Skip- |
grammed line length |
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| line Controller manual 3A1215. |
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| 2. | Spray one or two test skips and measure |
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| actual length. If actual length is longer |
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| than programmed length, increase Paint |
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| Gun ON delay. If actual length is shorter |
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| than programmed length, increase Paint |
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| Gun OFF delay. |
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Actual cycle not matching programmed | Out of calibration | Follow calibration procedure in Programmable | |
cycle |
| Skipline Controller manual 3A1215. | |
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Bead guns not synchronizing with | Out of calibration | 1. | Follow calibration in Programmable Skip- |
paint guns |
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| line Controller manual 3A1215. |
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| 2. | If beads start before paint, add delay time |
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| to Bead ON Delay. If paint starts before |
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| beads, add equal delay time to both Paint |
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| ON and Paint OFF Delays (this does not |
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| affect paint skip line length). |
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| 3. | If beads end before paint, add delay time |
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| to Bead OFF Delay. If beads end after |
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| paint, add equal delay time to both Paint |
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| ON, Paint OFF and Bead ON Delays. This |
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| shifts everything forward. |
20 | 3A1696C |
