The PowerCommand 3100 (PCC) is a generator-set controller. It is used on generator sets from Cummins/Onan, including the 3100 Series, DFAA, DFAB and DFAC.
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| -23 | HIGH COOLANT TEMP | ||
| 101 | Engine continues to operate at reduced RPM. | ||
| 101 | IDLE MODE Warning | ||
| 102 | EMERGENCY STOP Shutdown | ||
| 102 | Engine shuts down and will not crank. | Indicates local or remote Emergency Stop. | To reset the local Emergency Stop button : Pull the button out or turn the switch clockwise (button with arrow) and allow it to pop out. Move the Run/Off/Auto switch to Off. Press the Reset switch. Select Run or Auto, as required. |
| 1123 | A shutdown occurs immediately after moving the customer installed Battle Short switch to OFF with an active but overridden shutdown fault or a shutdown fault that was overridden at any time. | ||
| 1123 | Shutdown After Battle Short | ||
| 1124 | Delayed Shutdown | ||
| 1131 | Battle Short Active | ||
| 1131 | Battle Short mode is enabled. | ||
| 121 | Speed Signal Lost | ||
| 121 | Speed Signal Lost fault. | ||
| 1244 | Engine Normal Shutdown | ||
| 1245 | CAN - Engine Shutdown | ||
| 1246 | CAN - Unknown Engine Fault | ||
| 1247 | CAN - Engine Unannounced Fault | ||
| 1248 | CAN - Engine Warning Fault | ||
| 1311 | Customer Inputs #1 | ||
| 1312 | Customer Inputs #2 | ||
| 1317 | Customer Inputs #3 | ||
| 1318 | Customer Inputs #4 | ||
| 1334 | Crit Scaler OR | ||
| 1335 | Non-Crit Scaler OR | ||
| 135 | Oil Pressure Sensor High | ||
| 141 | Oil Pressure Sensor Low | ||
| 1416 | An overridden shutdown fault occurs, but the genset does not shut down. | ||
| 1416 | Fail To Shut Down | ||
| 1416 | Fail to Shutdown | ||
| 1417 | Power Down Failure | ||
| 143 | Pre-Low Oil Pressure Sensor | ||
| 1433 | Emergency Stop | ||
| 1433 | Emergency Stop fault. | ||
| 1434 | Remote Emergency Stop | ||
| 1434 | Remote Emergency Stop fault. | ||
| 1435 | Low Coolant Temperature | ||
| 1438 | Fail to Crank | ||
| 144 | Coolant Temperature Sensor High | ||
| 1442 | Weak Battery | ||
| 1443 | Battery Failed | ||
| 1444 | KW Overload | ||
| 1445 | Short Circuit | ||
| 1446 | High AC Voltage | ||
| 1447 | Low AC Voltage | ||
| 1448 | Under Frequency | ||
| 1449 | Over Frequency | ||
| 145 | Coolant Temperature Sensor Low | ||
| 146 | HIGH COOLANT TEMP WARNING | A. Reduce load if possible by turning off non-critical loads. b. Check air inlets and outlets and remove any obstructions to airflow. If engine can be stopped, follow 151 High Coolant Temp Alarm procedure. | |
| 146 | Pre-High Cool Temp | ||
| 1461 | Loss of Field | ||
| 1466 | Modem Failure | ||
| 1468 | Network Error | ||
| 1469 | Speed/Hz Match | ||
| 1471 | Over Current | ||
| 1472 | Over Current | ||
| 151 | HIGH COOLANT TEMP ALARM | A. Check jacket water coolant level and replenish if low. Look for coolant leakage and repair if necessary. b. Check for obstructions to cooling airflow and correct as necessary. c. Check fan belt and repair if necessary. d. Reset control and restart after locating and correcting problem. | |
| 151 | High Coolant Temp | ||
| 152 | LOW COOLANT TEMP | A. Coolant heater not connected to power supply. Check for blown fuse or disconnected heater cord and correct as required. b. Check for low jacket water coolant level and replenish if required. Look for possible coolant leakage points and repair as required. | |
| 197 | COOLANT LEVEL WARNING | A. Check jacket water coolant level and replenish if low. Look for possible coolant leakage points and repair if necessary. b. Reset control and restart after locating and correcting problem. | |
| 197 | Low Coolant Level | ||
| 200 | Indicates engine oil pressure has dropped to an unacceptable level. | If generator is powering critical loads and cannot be shut down, wait until next shutdown period then follow 201 Low Oil Pressure procedure. If engine can be stopped, follow 201 procedure. To check oil pressure, access Oil Pressure menu prior to clearing the fault. |
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.