Error Code | Description | Possible Cause | Solution |
---|---|---|---|
F1 | Indoor Room Temperature Sensor Error | Temperature sensor malfunction. | Check and replace the indoor room temperature sensor. |
F2 | Indoor Coil Temperature Sensor Error | Coil temperature sensor is faulty. | Replace the coil temperature sensor. |
F3 | Indoor Fan Motor Error | Indoor fan motor malfunctioning. | Inspect or replace the indoor fan motor. |
F4 | Outdoor Coil Temperature Sensor Error | Faulty outdoor coil sensor. | Check and replace the outdoor coil sensor. |
F5 | Outdoor Fan Motor Error | Outdoor fan motor is not functioning properly. | Check, repair, or replace the outdoor fan motor. |
E1 | High/Low Voltage Protection | Power supply voltage is too high or too low. | Ensure stable voltage supply; use a stabilizer if required. |
E2 | Communication Error between Indoor and Outdoor Units | Connection problem between indoor and outdoor units. | Check connection cables and communication circuit. |
E3 | Compressor Overcurrent Protection | Compressor drawing too much current or malfunctioning. | Inspect compressor, wiring, and refrigerant levels. |
E4 | Overheating Protection | Compressor or unit overheating. | Check for airflow issues, clean filters, and ensure refrigerant is sufficient. |
P1 | Low Refrigerant Protection | Refrigerant level is too low. | Check for refrigerant leaks and recharge refrigerant. |
P2 | High Pressure Protection | High refrigerant pressure or clogged filters. | Clean filters and check refrigerant levels. |
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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.