The PCC 3100 (PowerCommand) is a generator-set controller. It is used on generator sets from Cummins/Onan, including the DFHA, DFHB, DFHC and DFHD.
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| 101 | Engine continues to operate at reduced RPM. | ||
| 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. | |
| 220 | Shutdown lamp lights. MESSAGE: MAG PICKUP 220 − SHUTDOWN | Indicates mag pickup speed indication is not being sensed or does not match generator set output frequency. | A. Restart and check RPM on the digital display. b. Contact an authorized service center. |
| 221 | Shutdown lamp lights. MESSAGE: FAIL TO CRANK 221 − SHUTDOWN | A. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. b. Discharged or defective battery. Recharge or replace the battery. c. Contact an authorized service center for service of starter and starting system. | |
| 222 | Shutdown lamp lights. Engine will not crank. MESSAGE: OVERCRANK 222 − SHUTDOWN | A. Check for empty fuel tank, fuel leaks, or plugged fuel lines and correct as required. b. Check for dirty fuel filter and replace if necessary. c. Check for dirty or plugged air filter and replace if necessary. d. Reset the control and restart after correcting the problem. Contact an authorized service center if none of the above. | |
| 223 | Shutdown lamp lights. Engine runs and then shuts down. MESSAGE: OVERSPEED 223 − SHUTDOWN | Contact an authorized service center. | |
| 230 | Warning lamp lights. MESSAGE: LOW DC VOLTAGE 230 − WARNING | A. Discharged or defective battery. Check the battery charger fuse. Recharge or replace the battery. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Contact an authorized service center if none of the above. | |
| 231 | Warning lamp lights. MESSAGE: HIGH DC VOLTAGE 231 − WARNING | Contact an authorized service center. | |
| 232 | Warning lamp lights. MESSAGE: WEAK BATTERY 232 − WARNING | Discharged or defective battery. See Warning message 230, LOW DC VOLTAGE. | |
| 240 | Warning lamp lights. MESSAGE: LOW FUEL DAY 240 − WARNING | Check fuel supply and replenish as required. | |
| 241 | Warning lamp lights. MESSAGE: LOW FUEL 241 − WARNING | Check fuel supply and replenish as required. | |
| 250 | Shutdown lamp lights. MESSAGE: EEPROM ERROR 250 − SHUTDOWN | Indicates PCC memory error. Data corruption of critical operating parameters. Contact an authorized service center. | |
| FAIL TO CRANK 221 - SHUTDOWN | Shutdown lamp lights. Engine will not crank. MESSAGE: FAIL TO CRANK 221 − SHUTDOWN | A. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. b. Discharged or defective battery. Recharge or replace the battery. c. Contact an authorized service center for service of starter and starting system. | |
| OVERCRANK 222 | Shutdown lamp lights. Engine stops cranking. MESSAGE: OVERCRANK 222 − SHUTDOWN | A. Check for empty fuel tank, fuel leaks, or plugged fuel lines and correct as required. b. Check for dirty fuel filter and replace if necessary. c. Check for dirty or plugged air filter and replace if necessary. d. Reset the control and restart after correcting the problem. Contact an authorized service center if none of the above. |
| Symptom | Cause | Remedy |
|---|---|---|
| Control does not power up when the Run/Off/Auto switch is set to Run or the Self Test switch is pressed. | There is no DC power to the control. | A. Check for battery disconnected, discharged, or improperly connected. b. Contact an authorized service center. |
| Engine stops cranking. | Discharged or defective battery. | Recharge or replace the battery. Clean the battery cable terminals and tighten all connections. Check engine DC alternator. Replace engine DC alternator if normal batery charging voltage (12 to 14 VDC) is not obtained. |
| Shutdown lamp lights. | Check coolant level and replenish if low. Look for possible coolant leakage points and repair if necessary. | |
| Warning lamp lights. | Indicates battery voltage is below 24 VDC. a. Discharged or defective battery. Check the battery charger fuse. Recharge or replace the battery. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Contact an authorized service center if none of the above. |
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.