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 Compressor top overheating protection P3 Outdoor low t...

  Malfunction and Protection Code Table. The display board in digital scroll system is just to display running conditions and  malfunction information. The manual button is just to check the address code and power code  of indoor units. York VRF Error Codes Malfunction and Protection Code Table: Error Codes Contents E0 Phase sequence or lack of phase E1 Communication malfunction E2 T1 sensor malfunction E3 T2A sensor malfunction E4 T2B sensor malfunction E5 T3 sensor malfunction E6 Over-zero checking malfunction E7 EEPROM malfunction E8 Fan motor checking out of control E9 Communication malfunction between PCB and Display board EF Other malfunction EE Water level checking malfunction ED Outdoor protection EC Clear malfunction EB Inverter Module Protection EA Compressor Over-current (4 times) P0 Evaporator Temp. Protection P1 Anti-cooling or Defrost Protection P2 Condenser High Temp. Protection P3 Compressor Temp. Protection P4 Discharge Pipe Temp. Protection P5 ...