The E1 error code displayed on the Mijia Air Conditioner indicates a malfunction with the outdoor unit's electronic control program. This issue can also be caused by mismatched electronic control parameters or problems with the outdoor unit’s electronic 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.