York air conditioning central and VRF error codes

The table below lists error codes for York air conditioning central and VRF. This information will give you an insight into the nature of the malfunction and, in many cases, enable you to fix it without someone’s help. Alternatively, when a service engineer arrives, you will be able to check whether he is telling you the truth about what’s going on with the air conditioner.

ERROR CodeERROR ContentsPROTECT. CodePROTECT. Contents
EFOther malfunctionPFOther Protection
EEWater level checking
malfunction
PEReserve
EDOutdoor protectionPD
ECClear malfunctionPC
EBInverter Module ProtectionPB
EACompressor Over-current
(4 times)
PA
E9Communication
malfunction between PCB
and Display board
P9
E8Fan motor checking out of
control
P8Compressor Over-current
E7EEPROM malfunctionP7Power Lack/Over Volt
Protection
E6Over-zero checking
malfunction
P6Discharge Low-pressure
Protection
E5T3 sensor malfunctionP5Discharge High-pressure
Protection
E4T2B sensor malfunctionP4Discharge Pipe Temp.
Protection
E3T2A sensor malfunctionP3Compressor Temp.
Protection
E2T1 sensor malfunctionP2Condenser High Temp.
Protection
E1Communication
malfunction
P1Anti-cooling or Defrost
Protection
E0Phase sequence or lack of
phase
P0Evaporator Temp.
Protection
03#CCM/PC(gateway) Communication Malfunction
02#CCM/Function Module Communication Malfunction
01#CCM/NIM Communication Malfunction
00#CCM/PCB Communication Malfunction