When your Hyundai air conditioner starts acting up, it might be trying to communicate something to you through error codes. These codes are a way for modern appliances to self-diagnose and inform users and technicians about what is going wrong with their system. Understanding what each code means can be crucial for troubleshooting common issues without immediately having to call for technical support.
Error codes are displayed on your air conditioner’s control panel, and each one refers to a specific problem. Some might be as simple as poor communication between units, while others could indicate more serious issues that require immediate attention.
Before you panic or get frustrated, it’s important to remember that not all error codes mean an expensive repair. Some can be resolved with simple solutions that you can do on your own. That’s why, at codigodeerror.com, we’ve put together a detailed table with the most common error codes for Hyundai air conditioners, their descriptions, and recommended solutions.
Error Code Table
| Error | Description | Solution |
|---|---|---|
| E0 | Error parameter in EEPROM of internal unit | Electrical discharge |
| E1 | Communication error between indoor and outdoor unit | Poor installation or Change of the control card (PCB) of the indoor unit |
| E2 | Indoor coil temperature sensor | Inspection and possible replacement of the sensor |
| E3 | Internal fan speed out of control | Lack of preventive maintenance |
| E4 | Indoor unit temperature sensor open or short | Change temperature sensor (copper tip) |
| E5 | Evaporator temperature sensor short or open | Change temperature sensor (phosphor head) |
| EC | Gas or refrigerant leak in the installation. | Leak in installation (nuts) or units |
| F1 | Outdoor unit temperature sensor open or short | Change temperature sensor (copper tip) |
| F2 | Outdoor unit coil temperature sensor short or open | Change temperature sensor (phosphor head) |
| F3 | Outdoor unit discharge temperature sensor short or open | Change temperature sensor (long red wire with phosphor tip) |
| F4 | Error parameter in EEPROM of external unit | Change of the main board Main Board of the outdoor unit |
| F5 | External fan speed out of control | Change of the outdoor unit fan motor |
| P0 | Excessive power input to the IPM | Electrical discharge |
| P1 | Overvoltage and low voltage protection | Disconnect for 15 minutes and reconnect |
| P2 | Compressor protection due to high temperature | Failure of the external unit fan motor or gas overload |
| P4 | Transmission error from the indoor unit card to the compressor | Change of the main board Main Board of the outdoor unit |
Our Advice
Before attempting any repairs, make sure to disconnect the air conditioner from the power source to avoid accidents. If after checking the table and following the recommended solutions the problem persists, it might be time to contact a specialized technician. Remember, prevention through regular maintenance is key to avoiding many of these errors.
Error codes in Hyundai air conditioning
Troubleshoot error code “P4” in Hyundai air-conditioning
Troubleshoot error code “P2” in Hyundai air-conditioning
