Perkins
Perkins Standby Generators Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E001
The generator will not start; the controller shows E001, and the engine does not crank.
Emergency Stop Active / Shutdown Circuit Latched
E002
The generator controller displays E002, and the engine cranks but does not fire.
Low Fuel Pressure / Fuel Supply Fault
E003
The Perkins standby generator shuts down shortly after starting; the controller shows E003.
Low Oil Pressure Shutdown
E004
The generator fails to start; the controller displays E004 and stops cranking.
High Engine Coolant Temperature (Pre‑Start Lockout or Shutdown)
E005
Controller shows E005, engine cranks but does not start, and fuel solenoid does not pull in.
Fuel Solenoid / Fuel Run Valve Fault
E006
Perkins generator controller shows E006, and the engine does not crank at all.
Starter Motor Circuit Fault
E007
Generator shuts down during operation, the controller displays E007, and indicates overspeed.
Engine Overspeed / Speed Sensing Fault
E008
Controller shows E008, the generator stops, and indicates underspeed / underfrequency.
Engine Underspeed / Loss of Speed Control
E009
Perkins generator controller displays E009 and indicates a low coolant level.
Low Coolant Level Alarm
E010
Generator shuts down during operation, the controller shows E010, and indicates high engine temperature.
High Coolant Temperature Shutdown
E011
Controller shows E011, the generator stops, and indicates a low fuel level.
Low Fuel Level Alarm / Shutdown
E012
Perkins generator controller displays E012 and indicates low battery voltage.
Low DC Battery Voltage Alarm
E013
Controller shows E013 and indicates high battery voltage.
High DC Battery Voltage Alarm
E014
Generator controller displays E014 and indicates high oil temperature.
High Engine Oil Temperature Alarm
E015
Perkins generator controller shows E015 and indicates high intake air temperature.
High Intake Air Temperature Alarm
E016
Controller displays E016 and indicates generator overvoltage.
Generator Overvoltage Protection Trip
E017
Perkins generator controller shows E017 and indicates generator undervoltage.
Generator Undervoltage / Loss of Excitation
E018
Controller displays E018 and indicates generator overfrequency.
Generator Overfrequency / Engine Overspeed
E019
Perkins generator controller shows E019 and indicates generator underfrequency.
Generator Underfrequency / Engine Underspeed
E020
Controller displays E020 and indicates phase sequence/rotation error.
Incorrect Phase Rotation / Phase Sequence Fault
E021
Perkins generator controller shows E021 and indicates earth fault/ground fault.
Generator Earth Fault / Ground Fault Detection
E022
Controller displays E022 and indicates mains/generator sync failure.
Synchronization Failure (Voltage/Frequency/Phase Mismatch)
E023
Perkins generator controller shows E023 and indicates CANbus communication error.
CANbus Communication Fault with Engine ECU
E024
Controller displays E024 and indicates sensor supply fault.
5V/8V Sensor Supply Voltage Fault
E025
Perkins generator controller shows E025 and indicates high fuel temperature.
High Fuel Temperature Alarm
E026
Controller displays E026 and indicates low boost pressure.
Low Turbocharger Boost Pressure
E027
Perkins generator controller shows E027 and indicates low fuel pressure.
Low Common Rail / Fuel Rail Pressure
E028
Controller displays E028 and indicates low oil pressure (warning only, not shutdown).
Low Oil Pressure Warning
E029
Perkins generator controller shows E029 and indicates a coolant temperature sensor fault.
Coolant Temperature Sensor Circuit Fault
E030
Controller displays E030 and indicates low oil level.
Low Engine Oil Level Alarm
Symptom
Blue smoke from the exhaust and rising engine oil consumption.
Oil Burning / Internal Engine Wear
Symptom
Excessive black smoke from the exhaust during operation.
Over-Fueling / Incomplete Combustion
Symptom
Excessive white smoke from the exhaust, especially on startup.
Unburnt Fuel / Low Combustion Temperature
Symptom
Generator cranks but will not start; no error code displayed on controller.
No Start – Basic Fuel/Air/Compression Issue
Symptom
Generator is leaking coolant under the engine or around the radiator.
Engine Coolant Leak
Symptom
Generator is leaking engine oil onto the base frame or floor.
Engine Oil Leak
Symptom
Generator runs but produces no AC output voltage at the terminals.
No AC Output / Loss of Excitation
Symptom
Generator starts but immediately stalls when load is applied; no specific code.
Stalling Under Load
Symptom
Loud knocking or metallic banging noise from the engine during operation.
Engine Knock / Internal Mechanical Damage
Symptom
Strong burning smell or visible smoke from the control panel area.
Electrical Overheating / Component Failure in Control Panel
Symptom
Strong diesel fuel smell or visible fuel pooling under the generator.
Fuel Leak in Supply or Return System
Symptom
The automatic start function does not work; the generator only starts in manual mode.
Auto Start / Remote Start Circuit Fault
Symptom
The generator enclosure becomes excessively hot, and components show signs of heat stress.
Inadequate Ventilation / Overheating Enclosure
Symptom
The generator starts and runs, but the ATS does not transfer the load to the generator.
Load Transfer / ATS Control Fault
Symptom
The generator vibrates excessively or moves on its mounts during operation.
Excessive Vibration / Misalignment
Symptom
Unusual whining, grinding, or squealing noise from the alternator end.
Alternator Bearing or Mechanical Fault
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E001 |
The generator will not start; the controller shows E001, and the engine does not crank.
|
Emergency Stop Active / Shutdown Circuit Latched | View Details |
| E002 |
The generator controller displays E002, and the engine cranks but does not fire.
|
Low Fuel Pressure / Fuel Supply Fault | View Details |
| E003 |
The Perkins standby generator shuts down shortly after starting; the controller shows E003.
|
Low Oil Pressure Shutdown | View Details |
| E004 |
The generator fails to start; the controller displays E004 and stops cranking.
|
High Engine Coolant Temperature (Pre‑Start Lockout or Shutdown) | View Details |
| E005 |
Controller shows E005, engine cranks but does not start, and fuel solenoid does not pull in.
|
Fuel Solenoid / Fuel Run Valve Fault | View Details |
| E006 |
Perkins generator controller shows E006, and the engine does not crank at all.
|
Starter Motor Circuit Fault | View Details |
| E007 |
Generator shuts down during operation, the controller displays E007, and indicates overspeed.
|
Engine Overspeed / Speed Sensing Fault | View Details |
| E008 |
Controller shows E008, the generator stops, and indicates underspeed / underfrequency.
|
Engine Underspeed / Loss of Speed Control | View Details |
| E009 |
Perkins generator controller displays E009 and indicates a low coolant level.
|
Low Coolant Level Alarm | View Details |
| E010 |
Generator shuts down during operation, the controller shows E010, and indicates high engine temperature.
|
High Coolant Temperature Shutdown | View Details |
| E011 |
Controller shows E011, the generator stops, and indicates a low fuel level.
|
Low Fuel Level Alarm / Shutdown | View Details |
| E012 |
Perkins generator controller displays E012 and indicates low battery voltage.
|
Low DC Battery Voltage Alarm | View Details |
| E013 |
Controller shows E013 and indicates high battery voltage.
|
High DC Battery Voltage Alarm | View Details |
| E014 |
Generator controller displays E014 and indicates high oil temperature.
|
High Engine Oil Temperature Alarm | View Details |
| E015 |
Perkins generator controller shows E015 and indicates high intake air temperature.
|
High Intake Air Temperature Alarm | View Details |
| E016 |
Controller displays E016 and indicates generator overvoltage.
|
Generator Overvoltage Protection Trip | View Details |
| E017 |
Perkins generator controller shows E017 and indicates generator undervoltage.
|
Generator Undervoltage / Loss of Excitation | View Details |
| E018 |
Controller displays E018 and indicates generator overfrequency.
|
Generator Overfrequency / Engine Overspeed | View Details |
| E019 |
Perkins generator controller shows E019 and indicates generator underfrequency.
|
Generator Underfrequency / Engine Underspeed | View Details |
| E020 |
Controller displays E020 and indicates phase sequence/rotation error.
|
Incorrect Phase Rotation / Phase Sequence Fault | View Details |
| E021 |
Perkins generator controller shows E021 and indicates earth fault/ground fault.
|
Generator Earth Fault / Ground Fault Detection | View Details |
| E022 |
Controller displays E022 and indicates mains/generator sync failure.
|
Synchronization Failure (Voltage/Frequency/Phase Mismatch) | View Details |
| E023 |
Perkins generator controller shows E023 and indicates CANbus communication error.
|
CANbus Communication Fault with Engine ECU | View Details |
| E024 |
Controller displays E024 and indicates sensor supply fault.
|
5V/8V Sensor Supply Voltage Fault | View Details |
| E025 |
Perkins generator controller shows E025 and indicates high fuel temperature.
|
High Fuel Temperature Alarm | View Details |
| E026 |
Controller displays E026 and indicates low boost pressure.
|
Low Turbocharger Boost Pressure | View Details |
| E027 |
Perkins generator controller shows E027 and indicates low fuel pressure.
|
Low Common Rail / Fuel Rail Pressure | View Details |
| E028 |
Controller displays E028 and indicates low oil pressure (warning only, not shutdown).
|
Low Oil Pressure Warning | View Details |
| E029 |
Perkins generator controller shows E029 and indicates a coolant temperature sensor fault.
|
Coolant Temperature Sensor Circuit Fault | View Details |
| E030 |
Controller displays E030 and indicates low oil level.
|
Low Engine Oil Level Alarm | View Details |
| – |
Blue smoke from the exhaust and rising engine oil consumption.
|
Oil Burning / Internal Engine Wear | View Details |
| – |
Excessive black smoke from the exhaust during operation.
|
Over-Fueling / Incomplete Combustion | View Details |
| – |
Excessive white smoke from the exhaust, especially on startup.
|
Unburnt Fuel / Low Combustion Temperature | View Details |
| – |
Generator cranks but will not start; no error code displayed on controller.
|
No Start – Basic Fuel/Air/Compression Issue | View Details |
| – |
Generator is leaking coolant under the engine or around the radiator.
|
Engine Coolant Leak | View Details |
| – |
Generator is leaking engine oil onto the base frame or floor.
|
Engine Oil Leak | View Details |
| – |
Generator runs but produces no AC output voltage at the terminals.
|
No AC Output / Loss of Excitation | View Details |
| – |
Generator starts but immediately stalls when load is applied; no specific code.
|
Stalling Under Load | View Details |
| – |
Loud knocking or metallic banging noise from the engine during operation.
|
Engine Knock / Internal Mechanical Damage | View Details |
| – |
Strong burning smell or visible smoke from the control panel area.
|
Electrical Overheating / Component Failure in Control Panel | View Details |
| – |
Strong diesel fuel smell or visible fuel pooling under the generator.
|
Fuel Leak in Supply or Return System | View Details |
| – |
The automatic start function does not work; the generator only starts in manual mode.
|
Auto Start / Remote Start Circuit Fault | View Details |
| – |
The generator enclosure becomes excessively hot, and components show signs of heat stress.
|
Inadequate Ventilation / Overheating Enclosure | View Details |
| – |
The generator starts and runs, but the ATS does not transfer the load to the generator.
|
Load Transfer / ATS Control Fault | View Details |
| – |
The generator vibrates excessively or moves on its mounts during operation.
|
Excessive Vibration / Misalignment | View Details |
| – |
Unusual whining, grinding, or squealing noise from the alternator end.
|
Alternator Bearing or Mechanical Fault | View Details |
No matching codes found
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