LG LA140CE Owners Manual - Page 26
Outdoor Unit, Common Problems and Solutions
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Maintenance and Service Outdoor Unit The heat exchanger coils and panel vents of the outdoor unit should be checked regularly. If clogged with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned. NOTICE Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs. Air intake (Side) vents (Rear) Air outlet vents Piping Drain Hose (Side) Air intake vents Air outlet vents (Rear) Piping Drain Hose Air intake (Side) vents Air outlet vents (Rear) Piping Drain Hose Common Problems and Solutions Before calling for service If you have problems with your air conditioner, read the following information and try to solve the problem. If you cannot find a solution, turn off the air conditioner and contact your dealer. Air conditioner does not operate 1. Ensure that the air conditioner is plugged into a proper outlet. 2. Check the fuse or circuit breaker. 3. Check whether the voltage is unusually high or low. Air does not feel cold enough on the cooling setting 1. Ensure that the temperature settings are correct. 2. Check to see if the air filter is clogged with dust. If so, replace the filter. 3. Ensure that the air flow from the outside is not obstructed and that there is a clearance of over 20" between the back of the air conditioner and the wall or fence behind it. 4. Close all doors and windows and check for any source of heat in the room. 26 Room Air Conditioner