LG A2UH243FA0(LMU240HE) - Manual (Page 65)

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