| Check Engine Fault | The engine ECU has detected a fault not recognised by the DSE module, contact engine manufacturer for support. |
| Low Oil Pressure | The engine ECU has detected that the engine oil pressure has fallen below its configured low oil pressure alarm level. |
| Under Speed | The engine ECU has detected that the engine speed has fallen below its configured under speed alarm level. |
| Over Speed | The engine ECU has detected that the engine speed has risen above its configured over speed alarm level. |
| Charge Failure | The engine ECU has detected that the engine’s charge alternator output has fallen below its configured alarm level. |
| Low Fuel Level | The engine ECU has detected that the engine’s fuel level has fallen below its configured low fuel level alarm. |
| Battery Under/Over Voltage | The engine ECU has detected that the engine’s DC supply has fallen below or risen above its configured alarm level. |
| Mains High Voltage | |
| Mains Low Voltage | |
| Mains High Frequency | |
| Mains Low Frequency | |
| Fuel Filter Maintenance Alarm | |
| Water In Fuel | |
| Fuel Usage Alarm | |
| DPTC Filter | |
| Fuel consumption is higher than expected. | |
| DPF regeneration required. Contact engine manufacturer for further details. | |
| DEF level low | |
| SCR system fault detected. Contact engine manufacturer for further details. | |
| Cooling fan speed too low | |
| Fuel has leaked in the bund of the fuel tank | |
| Coolant level alarm | |