Knowledgebase
YHE/YHG Fault Codes
York Heat Pump: YHE / YHG Re: Lockout Codes / Fault Codes The control shall provide fault codes using the Status LED. The table below describes the LED displays during fault codes. Unless otherwise specified, the control shall provide flashes that are a 1/3 second on and 1/3 second off...
29 Dec, 2021 Comments: 0
YHE/YHG - Code 3 - High Pressure - Cooling
York YHE / YHG Heat Pump: Cooling Re: High Pressure Fault - Last Mode Heat Pump The heat pump was running in cooling mode and the high pressure switch tripped. A High Pressure Lockout is indicated by a 3-Flash LED pattern on the outdoor unit control board. X/L Output Qty Possible...
06 Apr, 2023 Comments: 0
YHE/YHG - Code 3 - High Pressure - Heating
York YHE / YHG Heat Pump: Heating Re: High Pressure Fault - Last Mode Heat Pump The heat pump was running in normal heat mode (not in defrost) and the high pressure switch tripped. A High Pressure Lockout is indicated by a 3-Flash LED pattern on the outdoor unit control board. X/L Output ...
29 Dec, 2021 Comments: 0
YHE/YHG - Code 5 - Low Pressure - Cooling
York Heat Pump: YHE / YHG Re: Low Suction Pressure - Code 5 (Cooling) CODE 5 = Low Pressure Switch Opened (2x in 6 hours) The heat pump compressor and condenser fan operate normally, but the system runs with a lower-than-normal suction pressure. Customer typically reports low or no...
29 Dec, 2021 Comments: 0
YHE/YHG - Code 5 - Low Pressure - Heating
York Heat Pump: YHE / YHG Re: Low Suction Pressure - Code 5 (Heating) CODE 5 = Low Pressure Switch Opened (2x in 6 hours) Qty Possible Causes: 1 Low Refrigerant Charge 1 Bad Expansion O/D Valve Bad Pressure Switch Not Defrosting CHECKOUT: ...
29 Dec, 2021 Comments: 0