What to do if the Mijia Air Conditioner displays error code E8.1?

The display of E8.1 on the Mijia Air Conditioner indicates a communication failure in the outdoor unit’s electronic control system. It can also be caused by problems such as the outdoor unit electrical control panel.
To resolve this issue, please refer to the following steps:
1. Turn off the air conditioner and disconnect it from the power source. Wait for approximately 3 to 5 minutes before reconnecting the power. Then, turn the device back on and check if the issue is resolved;
2. If the problem is not resolved through a power restart, it is recommended to apply for after-sales service for further inspection. A professional technician can diagnose the issue and provide the necessary repairs to restore normal operation.