Cummins/Onan 6.0MDJE-53CR troubleshooting: 13 fault codes and symptom-cause-remedy entries from the manufacturer's own service documentation.
Cummins/Onan 6.0MDJE-53CR — full specs, parts & maintenance.
All Cummins/Onan fault codes →
| Code | Meaning |
|---|---|
| e008 | No specific name provided for e008 |
| 10 | Overload |
| Symptom | Cause | Remedy |
|---|---|---|
| Incomplete circuit between exciter and slip rings. | Slip ring brush shunt broken | Check all slip ring brush shunts with an ohmmeter and replace broken brush shunts. |
| Slip ring brushes not contacting the slip rings. | Replace slip ring brush spring which may have come off or broken; or replace brushes which may have become worn down to far to contact the slip rings. | |
| Insulating film on slip rings. | Clean slip rings with stone or fine sandpaper and blow out dust. | |
| Short circuit in field | Dampness or deteriorated insulation. | Bake if damp, repair or replace if insulation is deteriorated. |
| Open circuit in field | Rough usage or original short circuit which may have burned a coil or connection. | Examine field connections and test with ohmmeter. If a coil is open, replace it. |
| No generator output or low output. | Defective shunt field bridge rectifier | Check AC components as listed above and preceding page. Check bridge rectifier with an ohmmeter. Replace if necessary. |
| No battery charger output (1 amp normal). | Diode CR2 bad. | Open component in charging circuit. Check diode with an ohmmeter and replace if open or shorted. |
| AC stator winding shorted | Insulation or coils broken. | Rewind or replace stator winding. |
| AC stator winding open | Original short circuit may have burned a coil or connection. | Test with an ohmmeter and if open, rewind or replace with a new stator winding. |
| Faulty load | Open circuit or short circuit on line. | Check line and load and the load. |
| Ammeter indicating ‘O’ | Generator has not built up voltage | Check the automatic field flash circuit which receives power from the § terminal of the start solenoid. When the start solenoid is energized, power should be applied to the static exciter and revolving field for faster voltage build-up. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Documented causes: Slip ring brush shunt broken. See the table for the matching fixes.
Documented causes: Dampness or deteriorated insulation.. See the table for the matching fixes.
Documented causes: Rough usage or original short circuit which may have burned a coil or connection.. See the table for the matching fixes.