Do you know what the air conditioner is "faulty"? Some are illusions.
Summer is the peak season for air-conditioning use, but many readers have found that some abnormal phenomena have appeared in the air-conditioning test machine recently. Is the air conditioner out of order? In fact, many of my friends don't know that air conditioners sometimes seem to behave abnormally in the normal performance of work, so don't worry about maintenance. Today, I will help you interpret these.