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Frigidaire Error Codes

Every Frigidaire error code we have catalogued, with what it means on site — 39 codes in total. In R-Pro, tap any code to get the meaning, likely causes and inspection steps, even with no signal in the plant room.

39 codes
CodeWhat it means
ASAmbient temperature sensor malfunction
CSCondenser temperature sensor malfunction
ESEvaporator temperature sensor malfunction
HSAir outlet temperature sensor malfunction
OSOutdoor temperature sensor malfunction
F1Indoor ambient temp sensor short/open
F2Indoor pipe temp sensor short/open
F3Outdoor ambient temp sensor short/open
F4Outdoor pipe temp sensor short/open
F5Compressor discharge sensor short/open
F6Overload limit (frequency fall)
F8Overcurrent limit (frequency fall)
F9High discharge temp limit (frequency fall)
FHAntifreeze limit (frequency fall)
E2Antifreeze protection mode
E3Blocked coil / freezing / low refrigerant
E4Compressor discharge high temp protection
E5AC overcurrent protection
E6Indoor/outdoor communication error
E8Extremely high temperature protection
EEEEPROM memory chip malfunction
C5PCB jumper cap malfunction
U74-way reversing valve abnormality
H1Defrosting mode (normal operation)
H3Compressor overloading protection
H5IPM / inverter module protection
H6No feedback from indoor fan motor
HCPFC protection
L3Outdoor DC fan motor fault
L9Excessive refrigerant accumulated
LPIndoor & outdoor unit mismatch
P1Bottom tray water full / rated freq test
P2Maximum frequency testing mode
P3Medium frequency testing mode
POMinimum frequency testing mode
PHHigh P-N voltage protection
PLLow P-N voltage protection
LUPower module frequency limit
EUModule temperature frequency limit

Official Frigidaire source / manual ↗

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