Main checking Point: Check pipe matching also (indoor-outdoor)Įxplanation: Outdoor unit overload and compressor stop (protection control in heating mode)Įxplanation: Outdoor unit high discharge temperature and compressor stop Main checking Point: Indoor unit operation modeĮxplanation: Compressor OLP sensor error (Short/Open)Įxplanation: Indoor unit heat exchanger freezing and compressor stop (cooling mode) Main checking Point: Communication cable connectionĮxplanation: Communication error (outdoor unable to communicate)Įxplanation: Indoor unit room temperature sensor error (Open/Short)Įxplanation: Indoor unit heat exchanger in temperature sensor error (Open/Short)Įxplanation: Indoor unit heat exchanger out temperature sensor error (Open/Short)Įxplanation: Indoor unit sensor error – Evaporator pipe in sensor detachedĮxplanation: Indoor unit sensor error – Evaporator pipe out sensor detachedĮxplanation: Indoor unit heat exchanger in & out temperature sensor detachedĮxplanation: More than 2 indoor units cool and heat simultaneously Outdoor Unit Error mode and check method Įxplanation: Communication error (indoor unable to receive data) Outdoor LED Display Error and Check Method (12K/18K/24K)-Samsung Split System Air Conditioning Outdoor LED Light Errors Prohibit Operation Condition Error (Cooling) Prohibit Operation Condition Error (Heating) INDOOR MID, INDOOR IN PIPE-TH sensor errorĭIS-TH(Discharge Temperature) Sensor Error Indoor Display Error and Check Method Error Codes Samsung Split Type, Multi System and VRF System AC Error Codes and Troubleshooting Samsung AC Error Codes and Troubleshooting