YORK Air Conditioner Error Codes allow technicians or users to identify the cause of a malfunction or issue with the HVAC system.
Codes and Solutions:
CODE: E0
RESULT AND SOLUTION: Error in the indoor EEPROM (Electrically Erasable Programmable Read-Only Memory).
CODE: E1
RESULT AND SOLUTION: Communication malfunction between indoor and outdoor units.
CODE: E3
RESULT AND SOLUTION: Malfunction in the indoor fan speed.
CODE: E4
RESULT AND SOLUTION: Error in the indoor ambient temperature sensor.
CODE: E5
RESULT AND SOLUTION: Error in the evaporator coil temperature sensor.
CODE: EC
RESULT AND SOLUTION: Malfunction in the refrigerant leak detection system.
CODE: EE
RESULT AND SOLUTION: Malfunction in the water level alarm.
CODE: E8
RESULT AND SOLUTION: Communication malfunction in a dual indoor unit (dual model only).
CODE: E9
RESULT AND SOLUTION: Another twin model malfunctions.
CODE: F0
RESULT AND SOLUTION: Overload protection.
CODE: F1
RESULT AND SOLUTION: Error in the outdoor temperature sensor.
CODE: F2
RESULT AND SOLUTION: Error in the outdoor condenser tube sensor.
CODE: F3
RESULT AND SOLUTION: Error in the air discharge temperature sensor.
CODE: F4
RESULT AND SOLUTION: Error in the outdoor EEPROM.
CODE: F5
RESULT AND SOLUTION: Malfunction in the outdoor fan speed (DC fan motor only).
CODE: F6
RESULT AND SOLUTION: Error in the T2b sensor.
CODE: F7
RESULT AND SOLUTION: Communication error in the automatic lift panel.
CODE: F8
RESULT AND SOLUTION: Malfunction in the automatic lift panel.
CODE: F9
RESULT AND SOLUTION: Automatic lift panel is open.
CODE: P0
RESULT AND SOLUTION: Inverter module IPM protection.
CODE: P1
RESULT AND SOLUTION: High/low voltage protection.
CODE: P2
RESULT AND SOLUTION: Compressor top overheat protection.
CODE: P3
RESULT AND SOLUTION: Outdoor low-temperature protection.
CODE: P4
RESULT AND SOLUTION: Compressor drive error.
CODE: P5
RESULT AND SOLUTION: Mode conflict.
CODE: P6
RESULT AND SOLUTION: Compressor low-pressure protection.
CODE: P7
RESULT AND SOLUTION: Outdoor IGBT sensor error.
Central Controller Fault Codes for YORK:
CODE: H3
RESULT: Malfunction in the outdoor addition (valid for the main unit).
CODE: H2
RESULT: Malfunction in the outdoor reduction (valid for the main unit).
CODE: H1
RESULT: Network communication malfunction.
CODE: EF
RESULT: Another malfunction.
CODE: E4, T4
RESULT: Temperature sensor malfunction.
CODE: E3, T3
RESULT: Temperature sensor malfunction.
CODE: E2
RESULT: Sensor malfunction.
CODE: E1, E0
RESULT: Communication malfunction, phase sequence, or missing phase.
CODE: PF
RESULT: Other protection.
CODE: PE
RESULT: Oil balance.
CODE: PD
RESULT: Oil return.
CODE: PA
RESULT: Defrost protection.
CODE: P8
RESULT: Third compressor current protection.
CODE: P7
RESULT: Second compressor current protection.
CODE: P5
RESULT: High condenser temperature protection.
CODE: P4
RESULT: Discharge pipe temperature protection.
CODE: P3
RESULT: First compressor current protection.
CODE: P2
RESULT: Discharge low-pressure protection.
CODE: P1, P0
RESULT: High-pressure discharge protection. Compressor high-temperature protection.
YORK Outdoor Unit Error Codes:
CODE: E1
RESULT: Phase sequence error.
CODE: E2
RESULT: Communication malfunction between indoor and 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: Another malfunction. PF: Other protection.
CODE: EE
RESULT: Malfunction in water level verification. PE: Reserve.
CODE: ED
RESULT: Outdoor protection. PD: Reserve.
CODE: CE
RESULT: Clear reserve PC with malfunction.
CODE: EB
RESULT: Protection reserve PB for the inverter module.
CODE: EA
RESULT: Reserve PA overcurrent in the compressor (4 times).
CODE: E9
RESULT: Communication malfunction between the PCB and the display board reserve P9.
CODE: E8
RESULT: Fan motor out of control. P8: Compressor overcurrent.
CODE: E7
RESULT: EEPROM malfunction. P7: Overvoltage/low power protection.
CODE: E6
RESULT: Zero-crossing verification malfunction. P6: Discharge low-pressure protection.
CODE: E5
RESULT: T3 sensor malfunction. High-pressure discharge protection P5.
CODE: E4
RESULT: T2B sensor malfunction. Discharge pipe temperature protection P4.
CODE: E3
RESULT: T2A sensor malfunction. Compressor temperature protection P3.
CODE: E2
RESULT: T1 sensor malfunction. High condenser temperature protection P2.
CODE: E1
RESULT: Communication malfunction. P1: Anti-freezing or defrost protection.
CODE: E0
RESULT: Phase sequence or missing phase. P0: Evaporator temperature protection.
CODE: 03#
RESULT: Communication malfunction between CCM/PC (gateway).
CODE: 02#
RESULT: Communication malfunction in the function module/CCM.
CODE: 01#
RESULT: Communication malfunction between CCM/NIM.
CODE: 00#
RESULT: Communication malfunction between CCM/PCB.
YORK Wall-Mounted Air Conditioner Error Codes:
CODE: E7
RESULT: Communication failure between indoor and outdoor units.
CODE: E1
RESULT: Ambient temperature sensor failure.
CODE: E4
RESULT: Indoor EEPROM error.
CODE: E14
RESULT: Indoor fan motor malfunction.
CODE: F12
RESULT: Outdoor EEPROM error.
CODE: F1
RESULT: IPM protection.
CODE: F22
RESULT: Overcurrent protection for outdoor AC electricity models
