LG LB-D2460HL / LB-E6080HL / LB-B6080HL Service Manual ▷ View online
–14–
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 60 minutes passed from starting
• The defrost starts only when the outdoor pipe temperature falls below -6°C after 60 minutes passed from starting
of heating operation.
• Defrost ends after 9 minutes 30 seconds passed from starting of defrost operation or when the outdoor pipe
temperature rises over 12°C even if before 12 minutes.
More than 60 minutes of
heating operation
More than 10 min.
running of compressor
Outdoor Pipe Temp.
Indoor Fan
Compressor
4-Way Valve
ON
ON
ON
ON
OFF
ON
OFF
HOT-
START
ON
ON
OFF
OFF
ON
12
°
C
(Defrost OFF)
-6
°
C
(Defrost ON)
Within
12minutes
Defrost
Defrost
More than 60 minutes of
heating operation
More than 10 min.
running of compressor
7. 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.
• 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
Accident Point
F1
Indoor temperature thermistor error
F2
Indoor piping thermistor error
F3
Indoor unit & remote controller
–14–
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 60 minutes passed from starting
• The defrost starts only when the outdoor pipe temperature falls below -6°C after 60 minutes passed from starting
of heating operation.
• Defrost ends after 9 minutes 30 seconds passed from starting of defrost operation or when the outdoor pipe
temperature rises over 12°C even if before 12 minutes.
More than 60 minutes of
heating operation
More than 10 min.
running of compressor
Outdoor Pipe Temp.
Indoor Fan
Compressor
4-Way Valve
ON
ON
ON
ON
OFF
ON
OFF
HOT-
START
ON
ON
OFF
OFF
ON
12
°
C
(Defrost OFF)
-6
°
C
(Defrost ON)
Within
12minutes
Defrost
Defrost
More than 60 minutes of
heating operation
More than 10 min.
running of compressor
7. 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.
• 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
Accident Point
F1
Indoor temperature thermistor error
F2
Indoor piping thermistor error
F3
Indoor unit & remote controller
–14–
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 60 minutes passed from starting
• The defrost starts only when the outdoor pipe temperature falls below -6°C after 60 minutes passed from starting
of heating operation.
• Defrost ends after 9 minutes 30 seconds passed from starting of defrost operation or when the outdoor pipe
temperature rises over 12°C even if before 12 minutes.
More than 60 minutes of
heating operation
More than 10 min.
running of compressor
Outdoor Pipe Temp.
Indoor Fan
Compressor
4-Way Valve
ON
ON
ON
ON
OFF
ON
OFF
HOT-
START
ON
ON
OFF
OFF
ON
12
°
C
(Defrost OFF)
-6
°
C
(Defrost ON)
Within
12minutes
Defrost
Defrost
More than 60 minutes of
heating operation
More than 10 min.
running of compressor
7. 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.
• 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
Accident Point
F1
Indoor temperature thermistor error
F2
Indoor piping thermistor error
F3
Indoor unit & remote controller
–14–
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 60 minutes passed from starting
• The defrost starts only when the outdoor pipe temperature falls below -6°C after 60 minutes passed from starting
of heating operation.
• Defrost ends after 9 minutes 30 seconds passed from starting of defrost operation or when the outdoor pipe
temperature rises over 12°C even if before 12 minutes.
More than 60 minutes of
heating operation
More than 10 min.
running of compressor
Outdoor Pipe Temp.
Indoor Fan
Compressor
4-Way Valve
ON
ON
ON
ON
OFF
ON
OFF
HOT-
START
ON
ON
OFF
OFF
ON
12
°
C
(Defrost OFF)
-6
°
C
(Defrost ON)
Within
12minutes
Defrost
Defrost
More than 60 minutes of
heating operation
More than 10 min.
running of compressor
7. 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.
• 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
Accident Point
F1
Indoor temperature thermistor error
F2
Indoor piping thermistor error
F3
Indoor unit & remote controller
