49-60742-4 25Normal Operating Conditions.TROUBLESHOOTING TIPS: Normal Operating ConditionsNewer refrigerators sound different from older refrigerators. Modern refrigerators have more features anduse newer technology.'R\RXKHDUZKDW,KHDU"7KHVHVRXQGVDUHQRUPDOHUMMM...WHOOSH...Ŷ The new high efficiency compressor may run fasterand longer than your old refrigerator and you mayhear a high-pitched hum or pulsating sound while itis operating.Ŷ Sometimes the refrigerator runs for an extendedperiod, especially when the doors are openedIUHTXHQWO\7KLVPHDQVWKDWWKH)URVW*XDUGIHDWXUHLVZRUNLQJWRSUHYHQWIUHH]HUEXUQDQGimprove food preservation.Ŷ You may hear a whooshing sound when the doorsFORVH7KLVLVGXHWRSUHVVXUHHTXDOL]LQJZLWKLQWKHrefrigerator.Ŷ You may hear the fans spinning at high speeds.This happens when the refrigerator is first plugged in,when the doors are opened frequently or whena large amount of food is added to the refrigeratorRUIUHH]HUFRPSDUWPHQWV7KHIDQVDUHKHOSLQJWRmaintain the correct temperatures.Ŷ ,IHLWKHUGRRULVRSHQIRURYHUPLQXWHV\RXPD\hear the fans come on in order to cool the light bulbs.Ŷ The fans change speeds in order to provide optimalcooling and energy savings.CLICKS, POPS,CRACKS and CHIRPSŶ You may hear cracking or popping sounds when therefrigerator is first plugged in. This happens as therefrigerator cools to the correct temperature.Ŷ Electronic dampers click open and closed to provideoptimal cooling and energy savings.Ŷ The compressor may cause a clicking or chirpingVRXQGZKHQDWWHPSWLQJWRUHVWDUW WKLVFRXOGWDNHXSWRPLQXWHV Ŷ The electronic control board may cause a clickingsound when relays activate to control refrigeratorcomponents.Ŷ Expansion and contraction of cooling coils duringand after defrost can cause a cracking or poppingsound.Ŷ On models with an icemaker, after an icemakingcycle, you may hear the ice cubes dropping into theice bucket.WATER SOUNDSŶ 7KHIORZRIUHIULJHUDQWWKURXJKWKHIUHH]HUFRROLQJcoils may make a gurgling noise like boiling water.Ŷ Water dropping on the defrost heater can cause aVL]]OLQJSRSSLQJRUEX]]LQJVRXQGGXULQJWKHGHIURVWcycle.Ŷ A water dripping noise may occur during the defrostcycle as ice melts from the evaporator and flows intothe drain pan.Ŷ Closing the door may cause a gurgling sound due toSUHVVXUHHTXDOL]DWLRQ