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 Code | ERROR Contents | PROTECT. Code | PROTECT. Contents |
|---|---|---|---|
| EF | Other malfunction | PF | Other Protection |
| EE | Water level checking malfunction | PE | Reserve |
| ED | Outdoor protection | PD | |
| EC | Clear malfunction | PC | |
| EB | Inverter Module Protection | PB | |
| EA | Compressor Over-current (4 times) | PA | |
| E9 | Communication malfunction between PCB and Display board | P9 | |
| E8 | Fan motor checking out of control | P8 | Compressor Over-current |
| E7 | EEPROM malfunction | P7 | Power Lack/Over Volt Protection |
| E6 | Over-zero checking malfunction | P6 | Discharge Low-pressure Protection |
| E5 | T3 sensor malfunction | P5 | Discharge High-pressure Protection |
| E4 | T2B sensor malfunction | P4 | Discharge Pipe Temp. Protection |
| E3 | T2A sensor malfunction | P3 | Compressor Temp. Protection |
| E2 | T1 sensor malfunction | P2 | Condenser 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 |
