York Air Conditioner Error Codes York Air Conditioner Error Codes Error Codes Cause E0 Indoor EEPROM (Electrically Erasable Programmable Read-Only Memory) error E1 Indoor and outdoor unit communication malfunction E3 Indoor fan speed malfunction E4 Indoor room temperature sensor error E5 Evaporator coil temperature sensor error EC Refrigerant leak detection system malfunction EE Water level alarm malfunction E8 Dual indoor unit (twin model only) communication malfunction E9 Other twin model malfunction F0 Overload protection F1 Outdoor temperature sensor error F2 Outdoor condenser pipe sensor error F3 Discharge air temperature sensor error F4 Outdoor EEPROM (Electrically Erasable Programmable Read-Only Memory) error F5 Outdoor fan speed (DC fan motor only) malfunction F6 T2b sensor error F7 Auto-lifting panel communication error F8 Auto-lifting panel malfunction F9 Auto-lifting panel is open P0 Inverter module IPM protection P1 High/Low voltage protection P2 ...

Sanyo Air Conditioner Error Codes Since the indications cover various units, the corresponding parts listed below may not be present in some models. Sanyo Air Conditioner Error Codes Error Code Diagnostics items S01 Room temperature sensor failure S02 Indoor heat exchanger sensor failure S03 Humidity sensor failure S04 Compressor temperature sensor failure S05 Outdoor heat exchanger sensor failure S06 Outdoor air temperature sensor failure S07 Outdoor electrical current detection faillure E01 lndoor/outdoor communications failure E02 HIC circuit failure Power Tr (transistor) circuit failure E03 Outdoor unit external ROM (OTP data) failure E04 Peak current cut Off E05 PAM circuit failure Active circuit failure E06 Compressor discharge overheat prevention activated E07 Indoor fan operating failure E08 4-way valve switching failure Indoor zero-cross failure E09 No-reirigerant protection E10 DC compressor drive circuit failure E11 Outdoor fan opera...