York Error Code Search

Error code search offers information on the cause of the malfunction and the status of your air conditioner by entering the error code.

Caution:

If molded case circuit breakers or earth leakage circuit breakers have tripped, do not reset the breaker immediately without first checking for any problems with the insulation of equipment.

Resetting breakers without a check of insulation may cause damage to equipment.

York Air Conditioning Codes:

CODE: E0
RESULT: Indoor EEPROM (Electrically Erasable Programmable Read-Only Memory) error.

CODE: E1
RESULT: Indoor and outdoor unit communication malfunction.

CODE: E3
RESULT: Indoor fan speed malfunction.

CODE: E4
RESULT: Indoor room temperature sensor error.

CODE: E5
RESULT: Evaporator coil temperature sensor error.

CODE: EC
RESULT: Refrigerant leak detection system malfunction.

CODE: EE
RESULT: Water level alarm malfunction.

CODE: E8
RESULT: Dual indoor unit (twin model only) communication malfunction.

CODE: E9
RESULT: Other twin model malfunction.

CODE: F0
RESULT: Overload protection.

CODE: F1
RESULT: Outdoor temperature sensor error.

CODE: F2
RESULT: Outdoor condenser pipe sensor error.

CODE: F3
RESULT: Discharge air temperature sensor error.

CODE: F4
RESULT: Outdoor EEPROM (Electrically Erasable Programmable Read-Only Memory) error.

CODE: F5
RESULT: Outdoor fan speed (DC fan motor only) malfunction.

CODE: F6
RESULT: T2b sensor error.

CODE: F7
RESULT: Auto-lifting panel communication error.

CODE: F8
RESULT: Auto-lifting panel malfunction.

CODE: F9
RESULT: Auto-lifting panel is open.

CODE: P0
RESULT: Inverter module IPM protection.

CODE: P1
RESULT: High/Low voltage protection.

CODE: P2
RESULT: Compressor top overheating protection.

CODE: P3
RESULT: Outdoor low temperature protection.

CODE: P4
RESULT: Compressor drive error.

CODE: P5
RESULT: Mode conflict.

CODE: P6
RESULT: Compressor low-pressure protection.

CODE: P7
RESULT: Outdoor IGBT sensor error.

York Central Controller Fault Codes

CODE: H3
RESULT: Outdoor adding malfunction (valid for host unit).

CODE: H2
RESULT: Outdoor decreasing malfunction (valid for host unit).

CODE: H1
RESULT: Net communication malfunction.

CODE: EF
RESULT: Other malfunction.

CODE: E4, T4
RESULT: Temp. Sensor malfunction.

CODE: E3, T3
RESULT: Temp. Sensor malfunction.

CODE: E2
RESULT: Sensor malfunction.

CODE: E1, E0
RESULT: Communication malfunction Phase sequence or lack of phase.

CODE: PF
RESULT: Other Protection.

CODE: PE
RESULT: Oil Balance.

CODE: PD
RESULT: Oil Return.

CODE: PA
RESULT: Defrost Protection.

CODE: P8
RESULT: Compressor Current 3rd Protection.

CODE: P7
RESULT: Compressor Current 2nd Protection.

CODE: P5
RESULT: Condenser High Temp. Protection.

CODE: P4
RESULT: Discharge Pipe Temp. Protection.

CODE: P3
RESULT: Compressor Current 1st Protection.

CODE: P2
RESULT: Discharge Low- pressure Protection.

CODE: P1, P0
RESULT: Discharge High- pressure Protection Compressor High Temp. Protection.

Malfunction Code Of Outdoor Unit

CODE: E1
RESULT: Phase sequence error.

CODE: E2
RESULT: Communication malfunction between indoor/outdoor units.

CODE: E3
RESULT: T3 temperature sensor malfunction.

CODE: E4
RESULT: T4 temperature sensor malfunction.

CODE: E5
RESULT: T5 temperature sensor malfunction.

CODE: E6
RESULT: Water-level alarm malfunction.

York Central Air Conditioning Error Codes

CODE: EF
RESULT: Other malfunction PF Other Protection.

CODE: EE
RESULT: Water level checking malfunction PE Reserve.

CODE: ED
RESULT: Outdoor protection PD Reserve.

CODE: EC
RESULT: Clear malfunction PC Reserve.

CODE: EB
RESULT: Inverter Module Protection PB Reserve.

CODE: EA
RESULT: Compressor Over-current (4 times) PA Reserve.

CODE: E9
RESULT: Communication malfunction between PCB and Display board P9 Reserve.

CODE: E8
RESULT: Fan motor checking out of control P8 Compressor Over-current.

CODE: E7
RESULT: EEPROM malfunction P7 Power Lack/Over Volt Protection.

CODE: E6
RESULT: Over-zero checking malfunction P6 Discharge Low-pressure Protection.

CODE: E5
RESULT: T3 sensor malfunction P5 Discharge High-pressure Protection.

CODE: E4
RESULT: T2B sensor malfunction P4 Discharge Pipe Temp. Protection.

CODE: E3
RESULT: T2A sensor malfunction P3 Compressor Temp. Protection.

CODE: E2
RESULT: T1 sensor malfunction P2 Condenser High Temp. Protection.

CODE: E1
RESULT: Communication malfunction P1 Anti-cooling or Defrost Protection.

CODE: E0
RESULT: Phase sequence or lack of phase P0 Evaporator Temp. Protection.

CODE: 03#
RESULT: CCM/PC(gateway) Communication Malfunction.

CODE: 02#
RESULT: CCM/Function Module Communication Malfunction.

CODE: 01#
RESULT: CCM/NIM Communication Malfunction.

CODE: 00#
RESULT: CCM/PCB Communication Malfunction.

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