Cummins Onan Code 1: Engine over temperature
Code 1 is listed as 'Engine over temperature.' for Cummins Onan RV Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Browse published fault-code records by brand, product and displayed code.
Each record starts with the source meaning, then separates applicability, owner-safe actions, operating uncertainty and qualified-service boundaries. A matching code string alone is not enough: confirm the brand, product, model and controller before acting.
Code 1 is listed as 'Engine over temperature.' for Cummins Onan RV Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Code 2 is listed as 'Low oil pressure.' for Cummins Onan RV Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Er 8 is listed as 'Error occurs when the device accelerates or brakes and the centrifuge brakes.' for Eppendorf Centrifuge 5702. Verify the exact model and controller before acting.
Source checked 2026-05-01Code 1100 is listed as 'Overcrank alarm; the unit turns over but will not start.' for Generac Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01E001 is listed as 'Voltage drop while actuator is on.' for John Deere Round Baler. Verify the exact model and controller before acting.
Source checked 2026-05-01Err001 is listed as 'Overspeed.' for Pfeiffer Vacuum Turbopump. Verify the exact model and controller before acting.
Source checked 2026-05-01Err002 is listed as 'Overvoltage.' for Pfeiffer Vacuum Turbopump. Verify the exact model and controller before acting.
Source checked 2026-05-01Code 26 is listed as 'Valve 1 fault.' for Seakeeper Marine Gyro Stabilizer. Verify the exact model and controller before acting.
Source checked 2026-05-01Code 27 is listed as 'Valve 2 fault.' for Seakeeper Marine Gyro Stabilizer. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 06 is listed as 'Check Coolant Temp Sensor' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 07 is listed as 'Check Engine RPM Sensor' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 08 is listed as 'Unit Running on Coil Sensor (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 09 is listed as 'High Evaporator Temperature (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 10 is listed as 'High Discharge Pressure (or Temperature)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 11 is listed as 'Unit or Zone Controlling on Alternate Sensor (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 12 is listed as 'Sensor or Digital Input Shutdown (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 13 is listed as 'Sensor Check (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 14 is listed as 'Defrost Terminated by Time' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 15 is listed as 'Check Glow Plugs or Intake Air Heater' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 16 is listed as 'Manual Start Not Completed' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 17 is listed as 'Engine Failed to Crank' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 18 is listed as 'High Engine Coolant Temperature' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 19 is listed as 'Low Engine Oil Pressure' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Alarm 20 is listed as 'Engine (Vapor Motor CR) Failed to Start' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01