LG General Wall Mounted-Inverter Type - Manual (Page 46)

46 Room Air Conditioner
Part 4 Trouble Shooting
7. Self-diagnosis Function
■ Error Indicator
• The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble.
• Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.
• If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.
• After error occurrence, if error is released, error LED is also released simultaneously.
• To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
• Having or not of error code is different from Model.
■ 9, 12kBtu/h Model
1 time 1time
3 sec
2 times 2 times
3 sec
4 times 4 times
3 sec
5times 5times
3 sec
6times 6times
3 sec
7times 7times
3 sec
3 sec
3 sec
2 times
3 sec
2 times
3 sec
1time
3 sec
1time
3 sec
1time
3 sec
1
2
4
5
6
7
Error Indicator
Error
Code
Cause of Error
Display
Indoor Outdoor
Indoor
Operation
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
• Indoor Temp. sensor error
- Sensor open or short
• Heat Sink sensor error
- Sensor open or short
- Heat Sink temp is over 95
°…
• Communication error
• Outdoor Temp. sensor error
- Sensor open or short
• DC Peak error
• Over current error (CT2)
ON
ON
ON
OFF
SHUT
DOWN
SHUT
DOWN
9times 9times
3 sec
10 times 10 times
3 sec
10
ON
• Outdoor fan lock error
• D-Pipe TH. is short or open.
(BLDC fan model only)
OFF
8times 8times
3 sec
8
• Indoor fan lock error
(BLDC fan model only)
OFF
9
(4 LED Model)