| Error Code | Description | Solution |
|---|---|---|
| E1 | Indoor Unit Temperature Sensor Error | Inspect and replace the indoor temperature sensor if faulty. |
| E2 | Indoor Unit Coil Sensor Error | Check and replace the indoor coil temperature sensor if necessary. |
| E3 | Compressor Overload Protection | Ensure the compressor is not overheating, check for airflow around the unit, and replace if required. |
| E4 | Outdoor Unit Temperature Sensor Error | Inspect the outdoor temperature sensor and replace it if faulty. |
| E5 | Communication Error Between Indoor and Outdoor Units | Check wiring connections between indoor and outdoor units; repair any loose connections. |
| E6 | Refrigerant Leakage Detection | Inspect for refrigerant leaks, repair any found, and recharge the system as necessary. |
| E7 | High Pressure Protection | Check for blockages in refrigerant lines and clear any obstructions. |
| E8 | Low Pressure Protection | Ensure proper refrigerant levels; check for leaks and recharge if needed. |
| E9 | Fan Motor Error | Check the fan motor for proper operation; replace if faulty. |
| F0 | Overcurrent Protection | Check the electrical supply for issues and ensure no excessive current is being drawn. |
| F1 | Indoor Ambient Temperature Sensor Error | Check the indoor unit’s ambient temperature sensor; replace if needed. |
| F2 | Outdoor Ambient Temperature Sensor Error | Inspect the outdoor temperature sensor and replace if necessary. |
| F3 | Indoor Coil Temperature Sensor Error | Check and replace the indoor coil sensor if required. |
| F4 | Outdoor Coil Temperature Sensor Error | Inspect the outdoor coil sensor for faults; replace if necessary. |
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The content provided by MBMTech Services is for informational purposes only. While we strive to ensure the accuracy of the information and instructions, repairs and troubleshooting procedures can be complex and may vary depending on the specific product, model, or situation. Attempting to repair electronic devices or products yourself carries the risk of further damage, injury, or voiding warranties. MBMTech Services is not responsible for any damage, loss, or injury that may occur as a result of following the advice, instructions, or techniques presented in our videos or content. We strongly recommend consulting a professional technician for repairs or technical support. Use the information at your own risk.