|
|
| Troubleshooting |
|
|
|
|
Problem |
| What To Check | What To Do |
(If check is OK, go to next check) | (When check is not OK, refer to this column) | ||
|
|
|
|
|
|
|
|
Basic Electrical | 1. | Electric supply. Meter must read | Reset building circuit breaker, replace building |
See wiring diagram, page |
| fuses. Try another outlet. | |
28 |
| models and |
|
|
| VAC models. |
|
|
|
|
|
| 2. | Extension cord. Check extension | Replace extension cord. |
|
| cord continuity with volt meter. |
|
|
|
|
|
| 3. | Sprayer power supply cord. | Replace power supply cord. See page 26, |
|
| Inspect for damage such as bro- | Power Cord Replacement. |
|
| ken insulation or wires. |
|
|
|
|
|
| 4. | Fuse. Check replaceable fuse on | Replace fuse after completing motor inspection. |
|
| control board (next to ON/OFF | See page 22, Fuse Replacement. |
|
| switch). |
|
|
|
|
|
| 5. | Motor leads are securely fas- | Replace loose terminals; crimp to leads. Be |
|
| tened and properly connected to | sure terminals are firmly connected. |
|
| control board. | Clean circuit board terminals. Securely recon- |
|
|
| |
|
|
| nect leads. |
|
|
|
|
| 6. | Motor thermal switch. Yellow | Replace motor. See page 27, Motor Replace- |
|
| motor leads must have continuity | ment. |
|
| through thermal switch. |
|
|
|
|
|
| 7. | Brush cap missing or loose brush | Install brush cap or replace brushes if leads are |
|
| lead connections. | damaged. See page 19, Motor Brush |
|
|
| Replacement. |
|
|
|
|
| 8. | Brush length which must be 1/4 | Replace brushes. See page 19, Motor Brush |
|
| in. (6mm) minimum. | Replacement. |
|
| NOTE: Brushes do not wear at |
|
|
| the same rate on both sides of |
|
|
| motor. Check both brushes. |
|
|
|
|
|
| 9. | Motor armature commutator for | Remove motor and have motor shop resurface |
|
| burn spots, gouges and extreme | commutator if possible. See page 27, Motor |
|
| roughness. | Replacement. |
|
|
|
|
| 10. | Motor armature for shorts using | Replace motor. See page 27, Motor Replace- |
|
| armature tester (growler) or per- | ment. |
|
| form spin test, page 17. |
|
|
|
|
|
| 11. | Pressure control not plugged in | Insert pressure control connector into control |
|
| to control board. | board. |
|
|
|
|
310824D | 11 |
