LG LT1230HR Owners Manual - Page 22

Maintenance and Service Normal Operation • You may hear a pinging noise caused by water being picked up and thrown against the condenser on rainy days or when the humidity is high. This design feature helps remove moisture and improve efficiency. • You may hear the thermostat click when the compressor cycles on and off. • Water will collect in the base pan during high humidity or on rainy days. The water may overflow and drip from the outdoor side of the unit. • The fan will run even when the compressor does not. Services To save time and expense, check the following before calling for an authorized service center For Models installed in North America-If service or parts are required first make the check recommended below. Abnormal Operation Problem Possible Causes s The air conditioner is unplugged or not plugged in completely s The fuse is blown/circuit breaker is triggered The air conditioner does not operate s Power failure. at all s The current interrupter device is tripped. Air conditioner does not cool s Air flow is restricted s TEMP Control set too higher number. s The air filter is dirty. s The air conditioner was just turned on. s The room may have been hot. s Cold air is escaping. s Cooling coils are iced up s The cooling coils are iced Ice appears on the over. air conditioner. What To Do • Make sure the plug is completely plugged into the outlet • Check the fuse/circuit breaker box and replace the fuse or reset the breaker • In the event of a power failure, set the power control to OFF. When the power is restored, wait 3 minutes to restart the air conditioner to prevent the compressor from overloading • Press the RESET button located on the power cord plug. If the RESET button will not stay engaged, discontinue use of the air conditioner and contact a qualified service technician. • Make sure there are no curtains, blinds, furniture or other obstacles in front of the air conditioner • Set the TEMP control to a lower number. • Clean the filter at least every 2 weeks. Refer to the "Maintenance and Service" section of the manual. • After the air conditioner is turned on, you need to give the air conditioner some time to cool the room. • When the air conditioner is first turned on you need to allow time for the room to cool down. • Check for open furnace floor resisters and cold air returns. • CLOSE the air conditioner vent • See Ice appears on the air conditioner below • Ice may block the air flow and obstruct the air conditioner from properly cooling the room. • Set the mode control at HIGH fan or high cool with the high temperature. 22 Room Air Conditioner