Carrier Transicold A01: Low pressure switch open
A01 is listed as 'Low pressure switch open.' for Carrier Transicold Truck Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Error Codes
Browse 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.
Carrier Transicold A02: High pressure switch open
A02 is listed as 'High pressure switch open.' for Carrier Transicold Truck Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 1101: Overcrank alarm; the unit turns over but will not start
Code 1101 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 2026-05-01Generac Code 1200: Overspeed alarm
Code 1200 is listed as 'Overspeed alarm.' for Generac Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Manitowoc E01: Long freeze cycle
E01 is listed as 'Long freeze cycle.' for Manitowoc Commercial Ice Machine. Verify the exact model and controller before acting.
Source checked 2026-05-01Manitowoc E02: Long harvest cycle
E02 is listed as 'Long harvest cycle.' for Manitowoc Commercial Ice Machine. Verify the exact model and controller before acting.
Source checked 2026-05-01Manitowoc E03: Input power loss
E03 is listed as 'Input power loss.' for Manitowoc Commercial Ice Machine. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 02: Check Evaporator Coil Sensor (Zone)
Alarm 02 is listed as 'Check Evaporator Coil Sensor (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 03: Check (Control); Return Air Sensor (Zone)
Alarm 03 is listed as 'Check (Control); Return Air Sensor (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 04: Check (Control); Discharge Air Sensor (Zone)
Alarm 04 is listed as 'Check (Control); Discharge Air Sensor (Zone)' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01Thermo King Alarm 05: Check Ambient Temp Sensor
Alarm 05 is listed as 'Check Ambient Temp Sensor' for Thermo King Truck/Trailer Refrigeration Unit. Verify the exact model and controller before acting.
Source checked 2026-05-01