Self-Diagnosis Function - LG LS-J0761NL Service Manual

Self-diagnosis function

1. The malfunction indicator of indoor (see the operating LED of the INDOOR)
Error
The cause of malfunction
Code
Indoor TH. is short or open.
1
Outdoor TH. is short or open.
2
Temp. of Heat sink is over
4
84°C.
Comunication error (serial
5
comunication).
DC peak error.
6
Running current is overload-
7
ed.
❈ Error code ➅, ➆ can't be operated unless the power cord is removed.
2. The malfunction indicator of outdoor (see the LED01M on the outdoor PCB ass'y)
Error
The cause of malfunction
Code
Indoor TH. is short or open.
2
Temp. of Heat sink is over 84°C.
4
Comunication error (serial
5
comunication).
DC peak error.
6
Running current is overload-
7
ed.
Comp. dome TH is short or
10 open.
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Only for training and service purposes
Malfunction indicator
The operating LED will be blink-
ing once.
The operating LED will be blink-
ing twice.
The operating LED will be blink-
ing 4 times.
The operating LED will be blink-
ing 5 times.
The operating LED will be blink-
ing 6 times.
The operating LED will be blink-
ing 7 times.
Malfunction indicator
The LED01M will be blinking
twice.
The LED01M will be blinking 4
times.
The LED01M will be blinking 5
times.
The LED01M will be blinking 6
times.
The LED01M will be blinking 7
times.
The LED01M will be blinking 10
times.
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The operating state
Keep operating state.
Keep operating state.
Restart compressor when OLP TH
Temp is 74°C below.
The operation is off(enable to restart
by remote controller).
Compressor will be turned off imme-
diately.
Compressor will be turned off imme-
diately.
The operating state
Keep operating state.
Restart comp. on in the OLP short
state.
The operation is off(enable to restart
by remote controller).
Compressor will be turned off imme-
diately.
Compressor will be turned off imme-
diately.
Compressor will be turned off imme-
diately.
LGE Internal Use Only