LG LRTNC0705V Owners Manual - Page 27

TROUBLESHOOTING 27 ENGLISH Problem Vibrating Dripping Pulsating or highpitched sound Possible Cause & Solution If the side or back of the refrigerator is touching a cabinet or wall, some of the normal vibrations may make an audible sound. • To eliminate the noise, make sure that the sides and back cannot vibrate against any wall or cabinet. Water running into the drain pan during the defrost cycle. • Normal Operation Your refrigerator is designed to run more efficiently to keep your food items at the desired temperature. The high efficiency compressor may cause your new refrigerator to run longer than your old one, but it is still more energy efficient than previous models. While the refrigerator is running, it is normal to hear a pulsating or highpitched sound. • Normal Operation