The PowerCommand 3.3 is a generator-set controller. It is used on generator sets from Cummins/Onan and MQ Power, including the 1750DQKAA, 2000, 2000DQKAB and 2250.
Used across brands: Cummins/Onan, MQ Power
Also fitted to: Cummins/Onan 1760 (1408), Cummins/Onan 2063 (1650), Cummins/Onan QSK60 Engine with PowerCommand® 3.3 Control, Cummins/Onan QSK60 Engine with the PowerCommand® 3.3 or 3.3MLD.
| Code | Meaning | Remedy |
|---|---|---|
| 1131 | Control is in Battle Short mode (used to bypass several fault shutdowns therefore allowing generator set operation during emergencies). | 1. If possible, investigate any fault codes that are being bypassed. |
| 1225 | Low Genset Voltage | |
| 1226 | Genset Frequency Error | |
| 1243 | Engine Derated | |
| 1244 | Engine Normal Shutdown | |
| 1245 | Engine Shutdown Fault | |
| 1246 | Unknown Engine Fault | |
| 1248 | Engine Warning | |
| 1311 and 1312 | Customer Input #1 and #2 (Warning or Shutdown) | |
| 1312 | Config Input #2 Fault | |
| 1312, 1317, and 1318 | Nature of the fault is an optional customer selection – configurable input #. | 1. Check the Input # requirements and correct if possible. |
| 1317 | Low Coolant Level (Warning or Shutdown) | |
| 1318 | Low Fuel (Warning or Shutdown) | |
| 1322 | KW Setpoint OOR Hi | |
| 1323 | KW Setpoint OOR Lo | |
| 1324 | KVAR Setpoint OOR Hi | |
| 1325 | KVAR Setpoint OOR Lo | |
| 1328 | Genset CB Tripped | |
| 1416 | Bypassed shutdown fault while the generator set was in Battle Short mode. | 1. Event/fault 1416 has been activated as a result of another active shutdown fault while the PowerCommand® 3.3 control is operating in Battle Short mode. If possible, troubleshoot this shutdown fault that is causing the generator set to shut down. |
| 1416 | Fail To Shutdown | |
| 1417 | Power Down Failure | |
| 1433 | Local E-Stop | |
| 1433/1434 | Local or remote Emergency Stop has been activated. | |
| 1434 | Remote E-Stop | |
| 1435 | Low Coolant Temperature | |
| 1438 | Fail to Crank (Shutdown) | |
| 1439 | Low Day Tank Fuel | |
| 1441 | Low Fuel Level | |
| 1444 | KW Overload | |
| 1445 | Short Circuit | |
| 1446 | High AC Voltage | |
| 1447 | Low AC Voltage (Shutdown) | |
| 1448 | Underfrequency | |
| 1449 | Overfrequency | |
| 1451 | Genset/Bus V Mismatch | |
| 1452 | Genset CB Fail To Close | |
| 1453 | Genset CB Fail To Open | |
| 1454 | Genset CB Pos Error | |
| 1455 | Utility CB Pos Error | |
| 1456 | Bus Out Of Sync Range | |
| 1457 | Fail To Synchronize | |
| 1458 | Sync Ph Rot Mismatch | |
| 1459 | Reverse Power | |
| 1461 | Loss of Field | |
| 1464 | Load Dump | |
| 1469 | Speed/Hz Mismatch | |
| 1471 | High AC Current (Warning) | |
| 1472 | High AC Current (Shutdown) | |
| 1475 | First Start Backup Fail | |
| 1483 | Common Alarm | |
| 1540 | Common Warning | |
| 1541 | Common Shutdown | |
| 1573 | Config Input #1 Fault | |
| 1689 | Reset Real Time Clock | |
| 1847 | Engine Coolant Temperature High (Shutdown with Cooldown) | |
| 1912 | Utility Loss Of Phase | |
| 1913 | Genset Loss Of Phase | |
| 1914 | Utility Ph Rotation Error | |
| 1915 | Genset Phase Rotation | |
| 197 | Low Coolant Level input is active and the threshold response is set to Shutdown. | 1. Look for possible coolant leakage points and repair if necessary 2. Check coolant level and replenish if low. 3. Reset the control and restart after locating and correcting the problem. |
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.