TROUBLESHOOTING
SYMPTOM
Low generator output voltage
Overspeed light stays lit
Underspeed light stays lit
Overcrank light stays lit Not In Auto light stays lit
Low oil pressure light stays lit
Low battery light stays lit
High engine temperature light stays lit
| POSSIBLE CAUSE |
| CORRECTIVE ACTION |
| Low engine speed |
| • Verify correct engine speed. Remove excess |
|
|
| loads or adjust speed as required. |
| Excitation capacitor failure |
| • Contact a qualified generator dealer for service |
|
|
| assistance. |
| Generator diode or varistor failure |
| • Contact a qualified generator dealer for service |
|
|
| assistance. |
| Shutdown due to high engine |
| • Verify correct engine speed setting. Adjust |
| speed |
| engine speed as required. |
| Shutdown due to low engine |
| • Reduce loads connected to generator |
| speed |
|
|
|
|
| • Check engine speed setting at no load. |
|
|
| Adjust as required. |
| Failure to start |
| • See "Engine cranks without starting" |
| Generator not set for unattended |
| • Place mode switch into AUTO position if |
|
| ||
| operation |
| automatic function is required |
| Shutdown due to low engine oil |
| • Check engine oil level. |
| pressure |
|
|
|
|
| • Verify correct type of engine oil for ambient |
|
|
| temperature conditions |
| Low battery |
| • Test battery. Replace as necessary. |
|
|
| • Ensure charger is plugged into GFCI |
|
|
| receptacle |
|
|
| • Check for tripped GFCI receptacle. Reset if |
|
|
| required. |
|
|
| • Check for tripped breaker in branch circuit |
|
|
| supplying GFCI. Reset if required. |
|
|
| • Check all charger cable connections for |
|
|
| cleanness and tightness. |
|
|
| • Check battery charger inline fuse |
|
|
| • Check charger lights to verify correct |
|
|
| operation. See Table A, Page 29. |
| Blown charger circuit fuse |
| • Check engine alternator fuse |
| Shutdown due to high engine |
| • Allow engine to cool, then restart |
| temperature |
|
|
|
|
| • Decrease loads on generator |
|
|
| • Check enclosure openings for blockage |
|
|
| • Check oil cooler for blockage |
35 |
