All fault codes
Copeland Fault Codes
4 codes · Free lookup by certified technicians
This page lists every Copeland fault code we have documented, including the most likely cause and step-by-step repair guide. Use the search box below — dashes and capitalization are ignored.
4 of 4 codes
F1
critical
High Discharge Pressure
High pressure switch opened due to overpressure.
F2
critical
Low Suction Pressure
Low pressure switch activated.
F4
critical
Compressor Thermal Protector Open
Protection module detected compressor overheating.
F5
critical
Reverse Phase Rotation (CoreSense)
Reverse phase sequence detected in three-phase power supply.
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