| 摘要 |
<p>An abnormal state detecting method of a multi air conditioner is provided to rapidly determine by grouping the indoor units to a plurality of groups. An abnormal state detecting method of a multi air conditioner comprises: a step of grouping a plurality of indoor units to a plurality of groups(S100); a step of operating the ventilation after the cooling and air conditioning operation(S115); a step of detecting the driving information of the multi air conditioner during the ventilation operation or the air conditioning operation(S120); and a step of determining the abnormal state of the multi air conditioner based on the sensed operating information(S130).</p> |
