Troubleshooting
WARNING
To reduce risk of injury due to sprayer starting unexpectedly, shut off engine before performing checks or service.
Check everything in chart before disassembling sprayer.
PROBLEM | CAUSE | SOLUTION |
|
|
|
|
|
Engine does not start | Engine switch not ON | Turn engine switch ON |
|
|
|
|
|
| Out of gas | Fill gas tank |
|
|
|
|
|
| Spark plug cable disconnected or | Connect spark plug cable or replace |
|
| spark plug damaged | spark plug |
|
|
|
|
|
| Oil seepage into combustion | Remove spark plug. Pull starter rope 3 or |
|
| chamber | 4 times. Clean and install spark plug. Try |
|
|
| to start. Keep sprayer upright and do not |
|
|
| overfill engine crankcase to avoid oil |
|
|
| seepage. |
|
|
|
|
|
| Oil level low | Add oil to engine crankcase |
|
|
|
|
|
Engine operates, but | Flow control set to OFF | Set flow control to PRIME mode or LOW/ |
|
displacement pump does not |
| MED/HIGH while triggering gun |
|
|
|
|
|
| Air compressor not on or insufficient | Start air compressor |
|
| air flow from compressor | Increase SCFM or compressor size. |
|
|
| Check air passages and tips for obstruc- |
|
|
| tions. |
|
|
| Check air filter element for clogs. |
|
|
|
|
|
| Air pressure set to low | Check display for air pressure. System |
|
|
| requires a minimum of 40 psi (0.28 MPa, |
|
|
| 2.8 bar) to operate. Increase pressure by |
|
|
| adjusting air control knob. |
|
|
|
|
|
| Sprayer engine RPM too low | Increase engine speed |
|
|
|
|
|
| Clutch connector into back of circuit | Check and ensure a tight connection. |
|
| board is loose. |
|
|
|
|
|
|
| Air filter dirty | Clean or replace filter element. |
|
|
|
|
|
| Air flow sensor dirty or damaged | Check air filter. |
|
|
| Clean air flow sensor (see page 4) or re- |
|
|
| place as needed. |
|
|
|
|
|
| Air transducer failed | Check display for correct air pressure |
|
|
| reading. Replace circuit board as need- |
|
|
| ed. |
|
|
|
|
|
| Fluid transducer failed | Check connection at circuit board. |
|
|
| Replace fluid transducer. |
|
|
|
|
|
| Clutch not engaging | Worn or damaged clutch. See page 18. |
|
|
| Fluid transducer failure. Air transducer |
|
|
| failure. |
|
|
|
|
|
| Displacement pump rod seized by | Service pump. See page 10. |
|
| dry coating |
|
|
|
|
|
|
|
| 309662 | 7 |