LG Electronics AMNH123DEA0(LMN120HE) Air Conditioner User Manual


 
Service Manual 65
Troubleshooting Guide
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.
Self-diagnosis Function
00 No Error ON
01 Indoor Room Thermistor Error 1 time OFF
02 Indoor In-Piping Error 2 times OFF
05 Communication Error between In and Out 5 times OFF
06 Indoor Out-Piping Error 6 times OFF
07 Differnt mode operation 7 times OFF
10 Indoor fan motor locked error 1 times OFF
Error code Description MPS Variable LED1 LED2 Indoor Status
33 D-Pipe High(Normal) 3 times 3 times OFF
44 Outdoor Air Thermistor Error(Open/Short) 4 times 4 times OFF
45 Cond Pipe Thermistor Error(Open/Short) 4 times 5 times OFF
47
Const. D-Pipe Thermistor Error(Open/Short)
4 times 7 times OFF
51 Capcity Error(High/Low)
5 times 1 times OFF
Error code Description MPS Variable LED1(Red) LED2(Green) Indoor Status
Indoor Error
Outdoor Error
LED1
LED2