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 Contents PROTECT. Code PROTECT. Contents
EFOther malfunctionPFOther Protection
EEWater level checking
malfunction
PE Reserve
ED Outdoor protectionPDReserve
ECClear malfunction PCReserve
EBInverter Module Protection PB Reserve
EACompressor Over-current
(4 times)
PAReserve
E9Communication
malfunction between PCB
and Display board
P9 Reserve
E8 Fan motor checking out of
control
P8 Compressor Over-current
E7EEPROM malfunction P7Power Lack/Over Volt
Protection
E6 Over-zero checking
malfunction
P6Discharge Low-pressure
Protection
E5 T3 sensor malfunction P5Discharge High-pressure
Protection
E4 T2B sensor malfunctionP4 Discharge Pipe Temp.
Protection
E3 T2A sensor malfunctionP3 Compressor Temp.
Protection
E2 T1 sensor malfunction P2Condenser High Temp.
Protection
E1 Communication
malfunction
P1 Anti-cooling or Defrost
Protection
E0 Phase sequence or lack of
phase
P0 Evaporator Temp.
Protection
03#CCM/PC(gateway) Communication Malfunction
02#CCM/Function Module Communication Malfunction
01#CCM/NIM Communication Malfunction
00#CCM/PCB Communication Malfunction