The PowerCommand 1.1 is a generator-set controller. It is used on generator sets from Cummins/Onan, including the 4B3.9, C10 D6, C100 D6 and C100 N6.
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| 1 | HIGH COOLANT TEMP — Lamp: Shutdown; Indicates engine has overheated (coolant temperature has risen above the shutdown trip point) | Allow engine to cool down completely before proceeding with the following checks: Check coolant level and replenish if low. Look for possible coolant leakage points and repair if necessary; Check for obstructions to cooling airflow and correct as necessary; Check fan belt and repair or tighten if necessary; Check blower fan and circulation pumps on remote radiator installations; Reset control and restart after locating and correcting problem. | |
| 1/202 | HIGH OR PRE-HIGH COOLANT TEMPERATURE (SHUTDOWN/SHUTDOWN) — Calibration-dependent. No action is taken by the Control for code 202. Engine will shut down for code 1 | Fault simulation was enabled with a PC based service tool | With a PC based service tool, verify that the fault simulation is not enabled for the coolant sensor. If you do not have a PC based service tool, remove battery power from the control to disable fault simulation overrides. |
| 102 | VOLTAGE BIAS OOR — Lamp: Shutdown; Indicates the voltage bias circuit output is out of range (OOR), high or low. (I/O Module option.) | ||
| 103 | SPEED BIAS OOR — Lamp: Shutdown; Indicates the speed bias circuit output is out of range (OOR), high or low. (I/O Module option.) | ||
| 106 | I/O MODULE LOST — Lamp: Shutdown; Indicates the data link between the I/O module and the Base board is lost | ||
| 1117 | ECM Power Lost — "keyswitch" to the Engine Control Module (ECM) was not removed for 30 seconds before removing battery power to the ECM (removing connectors or battery cable) | ECM power lost | To reset, press the Off button, press the Emergency Stop button, and wait 30 seconds |
| 12 | HIGH AC VOLTAGE (SHUTDOWN) — Engine will shut down | Fault simulation was enabled with a PC based service tool | With a PC based service tool, verify that the related fault simulation is not enabled. If you do not have a PC based service tool, remove battery power from the control to disable fault simulation overrides. |
| 12 | HIGH AC VOLTAGE — Lamp: Shutdown; Indicates that one or more of the phase voltages has exceeded 130% of nominal for 0 second, or has exceeded high ac voltage threshold of nominal for time delay seconds | ||
| 121 | Loss of Speed Sense (Shutdown) — No engine speed signal detected from one of two signals: engine crankshaft speed or engine camshaft position | Faulty Magnetic Pickup (MPU) sensor connections and wiring; improper installation of the MPU sensor; faulty MPU sensor; incorrect calibrations in PowerCommand controls; faulty control board; damaged flywheel ring gear | Inspect the MPU sensor and the main harness connector pins: disconnect the main harness connector from the MPU sensor; inspect for corroded, bent, broken, pushed back, expanded, or loose pins |
| 1244 | Engine Normal Shutdown — The engine has received a normal shutdown request | The generator set is going through a normal shutdown | The generator set is going through a normal shutdown and there are no active shutdown fault(s) in the ECM for at least 2 seconds |
| 1245 | Engine Shutdown Fault — An engine shutdown fault has occurred in the Engine Control Module (ECM), and no other active shutdown faults exist on the PCC | Event/fault code 1245 is activated by another active shutdown fault in the ECM | Connect to the ECM with E-Controls GCP Display or 4G Display to determine the actual shutdown fault that is generating event/fault code 1245; troubleshoot the shutdown fault(s) |
| 1246 | CAN Unknown Engine Fault — The PCC received an unknown message from the ECM | ECM/engine fault | Refer to the E-Controls service tool |
| 1248 | Engine Warning — An engine warning fault has occurred in the Engine Control Module (ECM), and there are no active warning faults on the PCC | Another active warning fault in the ECM activates event/fault code 1248 | Connect to the ECM with E-Controls GCP Display or 4G Display to determine the actual warning fault that is generating event/fault code 1248; troubleshoot the shutdown fault(s) |
| 13 | LOW AC VOLTAGE — Lamp: Shutdown; Indicates that one or more of the phase voltages has dropped below low ac voltage threshold for time delay seconds | ||
| 13 | LOW ACE VOLTAGE (SHUTDOWN) — Engine will shut down | Fault simulation was enabled with a PC based service tool | With a PC based service tool, verify that the related fault simulation is not enabled. If you do not have a PC based service tool, remove battery power from the control to disable fault simulation overrides. |
| 1311 | Customer Input #1 (Warning or Shutdown) — The nature of the fault is an optional customer selection | Program the fault function using the InPower service tool: enable/disable input (default: enable); status, warning, or shutdown (default: #1-None, #2-Warning and #3-Warning); active closed or open (default: closed [ground]) | |
| 1311 | Customer Input #1 (Warning or Shutdown) — The nature of the fault is an optional customer selection. Examples of inputs: Low Fuel Day Tank, Water In Fuel, Ground Fault, Low Starting Hydraulic Pressure, Low Starting Air Pressure, etc. | Fault condition exists at customer inputs | |
| 1312 | Customer Input #2 (Warning or Shutdown) — The nature of the fault is an optional customer selection | Program the fault function using the InPower service tool: enable/disable input (default: enable); status, warning, or shutdown (default: #1-None, #2-Warning and #3-Warning); active closed or open (default: closed [ground]) | |
| 1312 | Customer Input #2 (Warning or Shutdown) — The nature of the fault is an optional customer selection. Examples of inputs: Low Fuel Day Tank, Water In Fuel, Ground Fault, Low Starting Hydraulic Pressure, Low Starting Air Pressure, etc. | Fault condition exists at customer inputs | |
| 1317 | Low Coolant Level (Warning or Shutdown) — This fault is used when an optional coolant level sensor is installed. The nature of the fault is an optional customer selection | Low coolant | Stop the engine and allow the engine to cool down; Visually inspect and verify that the engine coolant is at the appropriate level; If the coolant level is too low, add coolant per specifications |
| 1318 | Low Fuel (Warning or Shutdown) — This fault is used when an optional low fuel level switch is installed | Low fuel pressure | Measure the fuel pressure at the fuel pump inlet |
| 1318 | Low Fuel (Warning or Shutdown) — This fault is used when an optional low fuel level switch is installed. The nature of the fault is an optional customer selection | Low fuel level | Add the manufacturer's prescribed fuel |
| 135 | Oil Pressure Sensor OOR - High — Engine oil pressure sensor signal is out of range – shorted high | Faulty oil pressure sensor and/or circuit; Faulty ECM; Faulty ECM connection or harness | |
| 14 | OVER FREQUENCY — Lamp: Shutdown; Indicates frequency is 10% above base frequency for approximately 10 seconds | ||
| 14 | Over Frequency (Shutdown) — Generator set will shut down. | Fault threshold is not set correctly with PC based service tool; Fuel or air delivery problem; Governor fault; Loose connector or Base board is bad | Reset the threshold to the highest allowable setting. Determine the required operating range before adjusting the threshold; Refer to the engine service manual; Check governor frequency adjustment (Refer to Section 7); Repair connections (P12/P13) or replace the Base board if necessary |
| 1417 | Power Down Failure — The PCC has failed to go to sleep | Incorrect calibrations in PowerCommand controls | Using the display or the InPower Service tool, verify the calibration in the PCC; If the calibration in the PCC matches the latest calibration on the InCal website, then the calibration is correct. If it does not, update the calibration to the latest |
| 143 | Engine Oil Pressure Low (Warning) | Lubricating oil level is low | Check the oil level. Add oil, if necessary |
| 143 | Engine Oil Pressure Low (Warning) — Engine oil pressure is below the low oil pressure warning threshold. | Lubricating oil level is low | Check the oil level. Add oil, if necessary. |
| 1433 | Local E-Stop — The state of the Local Emergency Stop (E-Stop) has been changed | The local E-Stop button has been activated | Reset the Local E-Stop: pull the Local E-Stop button out; press the Off button; press the Reset button; select Manual or Auto as required |
| 1434 | Remote E-Stop — The state of the Remote Emergency Stop has been changed | The Remote Emergency Stop button has been activated | Reset the Remote Emergency Stop |
| 1438 | Fail to Crank (Shutdown) | Dead or weak battery | Verify battery voltage is at least 12 VDC; Charge or replace the battery as necessary |
| 1438 | Fail to Crank (Shutdown) — The engine failed to crank after the generator control received a start signal. | Dead or weak battery | Verify battery voltage is at least 12 VDC (or 24 VDC if applicable); Charge or replace the battery as necessary. |
| 144 | Engine Coolant Temperature OOR Low (Warning) — Engine coolant temperature signal voltage is out of range - shorted low | For the troubleshooting procedure, refer to DTC 118 in the E-Controls Service Manual | |
| 144 | Engine Coolant Temperature OOR Low (Warning) — Engine coolant temperature signal voltage is out of range – shorted low | Faulty coolant temperature sensor connections | Inspect the coolant temperature sensor and the main harness connector pins; Disconnect the main harness connector from the coolant temperature sensor; Inspect for corroded pins, bent or broken pins, pushed back or expanded pins; Inspect for evidence of moisture in or on the connector; Dry the connectors with Cummins electronic cleaner, Part Number 3824510; Inspect for missing or damaged connector seals; Inspect for dirt or debris in or on the connector pins |
| 145 | Engine Coolant Temperature OOR High (Warning) — Engine coolant temperature signal voltage is out of range - shorted high | For the troubleshooting procedure, refer to DTC 117 in the E-Controls Manual | |
| 145 | Engine Coolant Temperature OOR High (Warning) — Engine coolant temperature signal voltage is out of range – shorted high | Faulty coolant temperature sensor connections | Inspect the coolant temperature sensor and the harness connector pins; Disconnect the engine harness connector from the coolant temperature sensor; Inspect for corroded pins, bent or broken pins, pushed back or expanded pins; Inspect for evidence of moisture in or on the connector; Dry the connectors with Cummins electronic cleaner, Part Number 3824510; Inspect for missing or damaged connector seals |
| 146 | Engine Coolant Temperature Above Normal (Warning) | High ambient temperature | Reduce loads or recirculation of discharge air to generator in elevated ambient |
| 146 | Engine Coolant Temperature Above Normal (Warning) — Engine coolant temperature has exceeded the warning threshold (220 °F [105 °C]) for high coolant temperature | High ambient temperature | Measure the air temperature entering the air intake louver of the generator set enclosure if enclosed, or cooling air to the radiator if not enclosed; verify the expected cooling system ambient temperature capability; inspect for recirculation of cooling discharge air into the generator set enclosure air inlet or the area surrounding the radiator cooling air inlet |
| 1472 | High AC Current (Shutdown) | Generator set overload | Reduce the generator set load by powering off to unneccessary household appliances (examples: washer, dryer, air conditioning, etc.) |
| 1472 | High AC Current (Shutdown) — The generator output current has exceeded at least 150% of rated current. | Generator set overload | Reduce the generator set load by powering off to unnecessary household appliances (examples: washer, dryer, air conditioning, etc.). |
| 15 | UNDER FREQUENCY — Lamp: Shutdown; Indicates that engine speed has dropped below 90% of nominal for approximately 10 seconds | Check fuel supply, intake air supply and load. | |
| 15 | Under Frequency (Shutdown) — Generator set will shut down. | Fault threshold is not set correctly with PC based service tool; Overload; Fuel or air delivery problem; Governor fault; Loose connector or Base board is bad | Reset the threshold to the lowest allowable setting. Determine the required operating range before adjusting the threshold; Check the load and correct any overload. Check operation by disconnecting load and restarting generator set; Refer to the engine service manual; Check fuel shutoff solenoid adjustment; Repair connections (P13) or replace the Base board if necessary |
| 151 | Engine Coolant Temperature High (Shutdown) | High ambient temperature | Reduce loads or recirculation of discharge air to generator in elevated ambient |
| 151 | Engine Coolant Temperature High (Shutdown) — Engine coolant temperature has exceeded the alarm (shutdown) threshold for high coolant temperature. | High ambient temperature | Reduce loads or recirculation of discharge air to generator in elevated ambient. |
| 151 | Engine Coolant Temperature High (Shutdown) — The engine coolant temperature has exceeded the alarm (shutdown) threshold for high coolant temperature | For the troubleshooting procedure, refer to DTC 217 in the E-Controls Manual | |
| 153 | Intake Manifold Temperature OOR High (Warning) — Engine intake manifold temperature sensor signal is out of range – shorted high | For the troubleshooting procedure, refer to DTC 113 in the E-Controls Manual | |
| 154 | Intake Manifold Temperature OOR Low (Warning) — Engine intake manifold temperature sensor signal is out of range – shorted low | For the troubleshooting procedure, refer to DTC 112 in the E-Controls Manual | |
| 155 | Intake Manifold Temperature High (Shutdown) | High ambient temperature | Reduce loads or recirculation of discharge air to generator in elevated ambient |
| 155 | Intake Manifold Temperature High (Shutdown) — Engine intake manifold temperature has exceeded 203 °F (95 °C) for greater than 10 seconds. | For the troubleshooting procedure, refer to DTC 127 in the E-Controls Manual. | |
| 155 | Intake Manifold Temperature High (Shutdown) — The engine intake manifold temperature has exceeded 95 °C (203 °F) for greater than 10 seconds | For the troubleshooting procedure, refer to DTC 127 in the E-Controls Manual | |
| 163 - 170 | BASE I/O MODULE INPUT 1 – 8 — Lamp: None; The nature of the Base I/O Module event is an optional customer selection | Each event function can be programmed (using InPower service tool or access to Setup menu), as follows: Change display name using up to 32 characters; Select active low or high input. | |
| 171 - 174 | AUX I/O MODULE INPUT 9 – 12 — Lamp: None; The nature of the Aux I/O Module event is an optional customer selection | Each event function can be programmed (using InPower service tool or access to Setup menu), as follows: Change display name using up to 32 characters; Select active low or high input. | |
| 1854 | Customer Input 2 — Event/fault code 1854 (customer input 2) becomes active when there is a ground input at TB1-2 on the back of the universal annunciator | Incorrectly configured or wiring issue | Make sure that the universal annunciator is correctly configured; for setup and configuration instructions, refer to the universal annunciator operator's manual; Check the wiring at TB1-2 and make sure that customer input 2 is wired correctly. Depending on the configuration of the annunciator, make sure that there is not a short or open circuit at the TB1-2 connection; Check the sender, relay, or device that is activating input 2 on the universal annunciator. Replace if faulty |
| 1855 | Annunciator Input 3 Fault — Customer fault 3 (input 3, LED 3) on the universal annunciator is active | Condition for which "Annunciator Input #3" is configured for is active | Check the condition for which "Annunciator Input #3" has been configured for. For example, if "Annunciator Input #3" was configured to become active when the fuel level is low, check the fuel level and add fuel if needed. After the issue is resolved, press the Reset button on the operator panel in order to clear the fault. If the fault does not clear, go to the next step |
| 1855 | Customer Input 3 — Event/fault code 1855 (customer input 3) becomes active when there is a ground input at TB1-3 on the back of the universal annunciator | Incorrect annunciator configuration or wiring; Faulty sender, relay, or device activating Input 3; Faulty annunciator | Make sure that the universal annunciator is correctly configured; check the wiring at TB1-3 and make sure that customer input 3 is wired correctly, make sure that there is not a short or open circuit at the TB1-3 connection; check the sender, relay, or device that is activating Input 3 on the universal annunciator, replace if faulty; if the wiring and configuration is satisfactory, replace the universal annunciator |
| 1944 | Annunciator Configuration Error (Warning) — More than one network device is configured to activate one of the annunciator output relays | Bad network configuration | Check the setup of devices on the network against duplicate use of the same annunciator relay output |
| 197 | Coolant Level Low (Warning) | Low coolant | Remove radiator cap and check that coolant is up to the required level |
| 197 | Coolant Level Low (Warning) — Coolant level sensor signal is showing a low coolant level for greater 10 seconds. | Low coolant | Remove radiator cap and check that coolant is up to the required level. |
| 2 | LOW OIL PRESSURE — Lamp: Shutdown; Indicates engine oil pressure has dropped below the shutdown trip point | Check oil level, lines and filters. If oil system is OK but oil level is low, replenish. Reset control and restart. If oil switch is used, check switch performance. | |
| 2/215 | LOW OIL OR PRE-LOW PRESSURE (WARNING/SHUTDOWN) OIL PRESSURE SENSOR TYPE : SENDER — Calibration-dependent. No action is taken by the Control for code 215. Engine will shut down for code 2 | Fault simulation was enabled with a PC based service tool | With a PC based service tool, verify that the fault simulation is not enabled for the oil pressure sensor. If you do not have a PC based service tool, remove battery power from the control to disable fault simulation overrides. |
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.