LG LBC24360ST Service Manual - Page 60

13-1-6 Alarm for Open Door 1. This feature sounds a buzzer when the freezer or refrigerator door is not closed within 1 minute after it is opened. 2. One minute after the door is opened, the buzzer sounds three times each for 1/2 second. These tones repeat every 30 seconds. 3. The alarm is cancelled when the freezer or the refrigerator is closed while the buzzer sounds. Freezer Door or Refrigerator Door Closed Open Closed Open Closed 3 Times 3 Times 3 Times 3 Times Buzzer Within 1 min. 1 min. 30 sec 30 sec 30 sec 13-1-7 Buzzer Sound When the button on the front display is pushed, a Ding~ Dong~ sound is produced. 13-1-8 Defrosting (removing frost) 1. Defrosting starts each time the compressor running time reaches between 7~50 hours and 50 hours according to door open time. 2. For initial power on or for restoring power, defrosting starts when the compressor running time reaches 4 hours. 3. Defrosting stops if the sensor temperature reaches 8°C or more. If the sensor doesn't reach 8°C in 1 hours, the defrost mode is malfunctioning. 4. Defrosting won't function if its sensor is defective (wires are cut or short circuited) 60