Display Function; Self-Diagnosis Function - LG LM-2164H2L Service Manual

Display Function

1. Heating Model
Operation Indicator
• Cooling, Soft Dry, Fan, Heating
Sleep Timer Indicator
• Sleep Mode
Timer Indicator
• Timer Mode
Defrost Indicator
• Hot-start, Defrost

Self-diagnosis Function

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 12, be sure to pull out power cord and then re-insert.
• Having or not of error code is different from Model.
Error
Code (Indoor body operation LED)
(once)
1
3sec
(twice)
2
3sec
(3times)
3
3sec
5
(once)
12
3sec
Error LED
3sec 3sec
3sec
3sec
(5times)
3sec
(once)
(twice)
3sec 3sec
2. Cooling Model
Operation Indicator
• Cooling, Soft Dry, Fan
Sleep Timer Indicator
• Sleep Mode
Timer Indicator
• Timer Mode
Compressor on Indicator
Error contents
• Indoor suction temperature
thermistor open/short.
• Indoor pipe temperature
thermistor open/short.
• Outdoor suction temperature
thermistor open/short.
• Outdoor pipe temperature
thermistor open/short.
• Abnormal operation of multi
product.
(Simultanueous operation of
cooling and heating)
• Poor communication
(twice)
• Misconnection of connecting
cables
-19-
OUT
DOOR
SVC check point
• Indoor TH ass'y check
• Outdoor TH ass'y
check
• Resetting of remocon
operating mode
• Communication
line/circuit check
• Primarily check
refrigerant pressure
• Connecting pipe check
• Connecting cable check