NOT IN AUTO Cummins — Not in Auto / Standby Not Ready
At a glance
- Severity
- WARNING
- Domain
- GENERATOR_SYSTEM
- Reference standard
- ISO 8528-5 / EN 50600-2-2
What it means
The genset controller is not in AUTO or has active pre-alarms: on an emergency demand the unit will not start. Often discovered at the monthly test or, worse, in the real event.
Probable causes
- Controller left in MANUAL after a test or maintenance
- Lockout not reset after an intervention
- Unmanaged active pre-alarms (battery, charge, levels)
- Pre-heater or charger out of service
Where to start
Check the selector/controller state and the active pre-alarm list on the controller.
Full guided diagnosis in the app
The diagnostic tree for this fault has 3 guided steps with measurements, checks and resolutions. You'll find it in DataCIQ, one of the five IndexOS apps: free, works offline.
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The same fault on other brands
More Cummins codes
- FAIL TO START — Fail to Start
- FUEL FILTER CLOGGED — Degraded Fuel / Filter Clogging
- GENERATOR BREAKER TRIP — Start but No Load Pickup
- HIGH COOLANT TEMP — High Coolant Temperature / Overheat Shutdown
- LOW FUEL LEVEL — Low Fuel Level / Fuel Starvation
- LOW OIL PRESSURE — Oil Pressure Loss / Oil Leak