TroubleshootingThe following cases are not troubles.During operation, the air conditioner maysometimes exhibit a sound of "clatter" or"rumble". This is the common sound ofrefrigerant flow but not a trouble.A sound of "Pi-Pa" is generated.Smells are given off.During operation, mist or steam areblown out.During COOL operation, it automaticallychanges to FAN mode.The system couldnt be re-started immediatelyafter turning off.The unit can't start?This is caused by the thermal expansionor cold shrinkage of plastics.Sometimes there are smells in the air flowfrom the indoor unit. This is caused by thesmell of cigarettes or paint coatings insidethe unit.During COOL or DRY operation, the unitmay blow out a thin mist. This is the con-densate water mist caused by sudden co-oling of the indoor air blown out from theindoor unit.In order to prevent frost accumulation onthe heat exchanger in the indoor unit,sometimes it will automatically transfersto FAN mode, but soon will return toCOOL mode.This is due to the systems self-protectionfunction, which prevents it from restartingin 3 min after stops.Please waitfor 3 min."Hua-Hua"Water flow sound is heard.1 3