Advanced Troubleshooting
General Problem: Circuit Breaker is Tripping
Specific Problem | Cause | Solution | |
|
|
| |
|
|
| |
Building circuit breaker opens | Sprayer electrical wiring is | Repair or replace any damaged wiring or | |
as soon as sprayer is turned | pinched or insulation is | terminals. Securely reconnect wires. | |
on. | damaged. |
| |
|
|
| |
| Wires between pressure |
| |
| control switch and control |
| |
NOTE: Remove enclosure | board are pinched. |
| |
|
| ||
Motor armature is shorting. | Check for shorts. See Motor Diagnostics, page | ||
mounting screws and pull | |||
enclosure away from drive |
| 23. If shorts are evident, replace motor using | |
housing. Take care not to pull |
| Motor Kit, page 26. | |
on leads from electrical cord | Control board is damaged. | See Control Board Diagnostics, page 25. | |
and power switch. | CAUTION: Do not perform | Replace control board if damaged using Control | |
| Board Kit, page 26. | ||
| control board diagnostics until |
| |
| you have determined the |
| |
| armature is good. A bad motor |
| |
| armature can burn out a good |
| |
| motor control board. |
| |
|
|
| |
Building circuit breaker opens | Sprayer power cord damaged. | Unplug sprayer power cord. | |
as soon as sprayer is plugged |
| Disconnect black power cord wire at power switch. | |
into outlet and sprayer is NOT |
| ||
|
| ||
turned on. |
| Unplug | |
|
| Plug in power cord. | |
NOTE: Remove enclosure |
| Test voltage between black and white wires of | |
mounting screws and pull |
| power cord. Meter must read 85 to 130V AC. | |
enclosure away from drive |
| Replace power cord if no voltage. | |
housing. Take care not to pull |
| ||
|
| ||
on leads from electrical cord | Sprayer power switch | 1. Unplug sprayer power cord. | |
and power switch. | damaged. | 2. Disconnect black control board wire at power | |
|
| ||
|
| switch. | |
|
| 3. Unplug | |
|
| 4. Plug in power cord. | |
|
| 5. Turn power switch ON. | |
|
| 6. Test voltage between open terminal of power | |
|
| switch and white power cord wire. Meter must | |
|
| read 85 to 130V AC. | |
|
| 7. Replace power switch if no voltage. | |
|
|
| |
| Also see Basic Electrical Problems, and Sprayer Wiring Problems, pages 17 - 18. | ||
|
|
| |
312667B | 19 |
