LG Electronics General Wall Mounted-Inverter Type manual Self-diagnosis Function, Error Indicator

Part 4 Trouble Shooting

7. Self-diagnosisFunction

■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

Error

Error Indicator

Cause of Error

Display

Indoor

Code

Indoor

Outdoor

Operation

1

1 time

1time

1time

1time

1time

• Indoor Temp. sensor error

O

3 sec

3 sec

3 sec

3 sec

- Sensor open or short

ON

2 times

2 times

2 times

2 times

• Outdoor Temp. sensor error

O

O

ON

2

3 sec

3 sec

3 sec

- Sensor open or short

4 times

4 times

• Heat Sink sensor error

4

3 sec

3 sec

- Sensor open or short

O

O

ON

- Heat Sink temp is over 95°…

5

5times

5times

• Communication error

O

O

OFF

3 sec

3 sec

6

6times

6times

• DC Peak error

O

O

SHUT

3 sec

DOWN

7

7times

7times

• Over current error (CT2)

O

O

SHUT

DOWN

3 sec

8

8times

8times

• Indoor fan lock error

O

OFF

3 sec

(BLDC fan model only)

9

9times

9times

• Outdoor fan lock error

O

O

OFF

(BLDC fan model only)

3 sec

10

10 times

10 times

• D-Pipe TH. is short or open.

O

O

ON

3 sec

(4 LED Model)

46Room Air Conditioner