The PowerCommand (HMI211 operator) is a generator-set controller. It is used on generator sets from Cummins/Onan, including the C20 N6, C22 N6, C25 N6 and C30 N6.
| Code | Meaning |
|---|---|
| Code 143 | Engine Oil Pressure Low (Warning) |
| Code 146 | Engine Coolant Temperature Above Normal (Warning) |
| Code 151 | Engine Coolant Temperature High (Shutdown) |
| Symptom | Cause | Remedy |
|---|---|---|
| Any spillage that occurs during fueling or during oil top-off or oil change must be cleaned up before starting the generator set. | Clean up any spillage before starting the generator set. | |
| Fire Hazard | Contaminated insulation is a fire hazard. | Remove any contaminated insulation and dispose of it in accordance with local regulations. |
Fault codes and symptom→remedy steps extracted from this controller’s service/owner documentation; verify against the official manual before servicing. Aggregated from the service documentation of generator sets built on this controller.