The Midea Floor Standing Air Conditioner(Eiffel Tower AC ) 24000BTU MFYA400-24CRN1-QB8 has a 24-hour Timer that set the unit to start and stop automatically in a 24h period.The indoor fan speed is regulated automatically from the lowest grade to the setting grade according to evaporator temperature when the unit just starts heating operation. This function can prevent cold air blowing out to avoid discomfort to the users.If the air conditioner breaks off unexpectedly due to the power cut, it will restart with the previous setting mode automatically when the power resume.The indoor unit will show error code “EC” and stop automatically when refrigerant leakage is detected. This function can better protect compressor being damaged by high temperature due to refrigerant leakage.