If the Mijia Air Conditioner Pro Eco 2.6 kW stops working automatically during heating, it can be entering a normal defrosting cycle.
During cold weather, the outdoor unit needs to defrost at regular intervals to maintain heating efficiency. This process can cause the unit to pause temporarily, but it will automatically resume operation once defrosting is complete. There is no need for concern if the pause is brief.
However, if the device does not restart after a reasonable time, it could indicate a malfunction. In that case, please contact the after-sales service center for professional inspection and assistance.