LG LB-F3660HL Manual page 13

6. Defrost Control
• Defrost operation is controlled by timer and sensing the outdoor piping temperature.
• The defrost starts only when the outdoor pipe temperature falls below -6°C after 45 minutes passed from starting
of heating operation.
• Defrost ends after 10 minutes passed from star ting of defrost operation or when the outdoor pipe
temperature rises over 12°C even if before 10 minutes.
Outdoor Pipe Temp.
12°C
(Defrost OFF)
-6°C
(Defrost ON)
Indoor Fan
Compressor
4-Way Valve
7. Auto Restarting Operation
• When the power is restored after a sudden power failure while in appliance operation, the mode before the
power failure is kept on the memory and the appliance should be on the automatically operates in the mode on
the memory.
• Operation Mode that is kept on the memory
- State of Operation ON/OFF
- Operation Mode/Setting Temp/Selected Airflow Speed
• If no input by the remote controller within 7 hr after the appliance operates by the Auto Restarting operation,
the appliance is forced to stop at the moment of 7-hr elapse.
8. Self-Diagnosis Function
• 'CHECK' will flash in the remote controller display when a problem occurs. Then please contact your dealer.
• Correct the accident point as shown in the table below before restarting operation.
• During the normal operation 'CHECK' won't be displayed in the remote controller.
Remote controller LCD
F1
F2
F3
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
More than 45 minutes of
heating operation
ON
ON
ON
Accident Point
Indoor temperature thermistor error
Indoor piping thermistor error
Indoor/Outdoor unit communication error
- 13 -
Within More than 45 minutes of
10 minutes heating operation
Defrost
HOT-
START
OFF
ON
OFF ON
Defrost
ON OFF
ON ON
OFF
LGE Internal Use Only