York A/C Fault Codes

Temperature Sensor Resistance Readings
Temperature 0C 10C 20C 30C
K Ohms 35K 20K 13K 8K
Fault Codes for RAHC, YKHC & YUHC Models

Indoor lights
Operation Timer Defrost
Flash Flash Flash Outdoor Problem
Flash ID Air Sensor Fail
Flash ID Pipe Sensor Fail
Flash OD Pipe Sensor Fail
Flash Flash PCB Fail
Outdoor LEDS 3ph models only
LED1 LED2 LED3
Flash Off Off Phase Error
Flash Flash Off Pressure Switch
Off Off Flash Overcurrent
Off Flash Flash OD Pipe Sensor
Off Flash Off OD Air Sensor
Flash Flash Flash Hi Temp Protection
HVHC Inverter Fault Codes
Outdoor LCDs
Indoor Display 1 2 Red 3 Green 4 Yellow
E0 ID PCB Fail On Off Off Off Connected to Power
E1 Comms Fail Off Off Off Off Power or OD PCB Fail
E2 Power Abnormal On On Off Off Comms Fail
E3 ID Fan Fail On On On On Standby
E4 OD Sensor Fail On Off Off On Compressor Overcurrent
E5 ID Sensor Fail On Off Flash Flash OD Air Sensor Fail E5
E6 Inverter Module On Flash Off Flash OD Pipe Sensor Fail E5
P0 IPM Protection On On Flash On OD Power Supply P1
P1 OD Power Supply On Off On Off IPM Protection P0
P2 Compressor Hi Temp On Off On On Compressor Temp P2
P3 Outdoor Low Temp On On Off Off Comms E1
P4 Inverter/Compressor Fail On On Flash Flash Inv / Co

Source: Superswill RE





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