user manual
Service Manual  55
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










