Error codes of LG air conditioner Inverter

CH01 - Temperature Sensor open or short sensor evaporator
CH02 - temperature sensor between the pipe open sensor evaporator or short
CH06 - temperature sensor output tube evaporator open or short sensor
CH012 high pipe temperature sensor of the evaporator open or short sensor
compressor analysis check the compressor terminals 1. Remove the connectors on the main board ... Analysis defective compressor check the terminals of the IPM. 1. Remove the board connectors.
CH22 CT2 error input voltage, current above 14
CH23 DC low voltage connection bug, below 140 V DC
CH26 DC error detection site CH26. Compressor Power error.
CH27 compressor misfeeds
CH29 - phase error compressor (power supply) phase error, high current fault in the plate ...
CH32 overheating compressor pipe
CH40 CT Error Sensor open or short
CH41, CH44, CH45 and CH65 - discharge tube sensor and the heat sink.
CH53 - communication error between evaporating unit and condensing the indoor unit power supply.
CH60 - EPROM of the condensing unit
CH61 - high temperature of the discharge pipe
CH62 Condenser overheated deficiency heat exchange
CH67 Motor locked condensing unit
LED codes
blue or green LED 1 red LED 2
Example: Error code 12 blue LED lights up 2 times (unit) and red LED lights up 1 time (ten) = 2 10 = 12
LED 1 flashes 1x temperature sensor of the evaporator open environment or shorted
LED 1 flashes 2x temperature sensor open tube evaporator or short
LED 1 flashes 5x miscommunication between evaporator and condenser
1. LED flashes 6x temperature sensor faulty evaporator-tube output
LED 1 flashes 9x error of epronn unit evaporator
LED 1 and 2 fan off the engine caught evaporator (operation failed)
LED 1 flashes 2x LED 2 flashes 1x temperature sensor of the evaporator tube half-broken.
condensing unit
LED1 LED2 blinks 2x blinks 1x IPM - high current cause of the malfunction compressor error, IPM overload. Condenser off.
LED1 flashes 2x LED 2 flashes 2x CT 2 maximum current. current error cause above 14th off condenser.
LED1 flashes 2x LED2 flashes 3x DC low voltage DC because of the error below 140V. condenser offline
LED1 LED2 flashes flashes 2x 4x Low pressure because of the low pressure switch open error. condenser offline
LED1 flashes 2x LED2 flashes 5x AC low AC and high voltage error cause abnormal input voltage AC volts. Condenser off.
LED1 flashes 2x LED2 flashes 6x connection of wrong compressor because of the wrong DC compressor connection error. condenser offline
LED1 flashes 2x LED2 flashes 7x PSC failure cause of the defect: observe analyze other in this case. Make sure the PCB short PSC input signal and connector. Check the pins 4 and 5 are shorted. condenser offline
LED1 flashes 2x LED2 flashes 8x DC high voltage connection. condenser offline
LED1 LED2 flashes flashes 3x 2x high temperature discharge pipe. condenser offline
LED1 flashes 3x LED2 flashes 3x high temperature discharge pipe. condenser offline
LED1 LED2 flashes 4x flashing CT sensor open or short because of CT error malfunctioning. condenser offline
LED1 flashes 4x LED2 flashes 1x CT sensor open or short because of CT error malfunctioning. condenser offline
LED1 flashes 4x LED2 flashes 4x sensor outlet open or short outdoor air. Condenser off.
LED1 flashes 4x LED2 flashes 5x sensor open or short condenser tube. Condenser off.
LED1 flashes 4x LED2 flashes 6x Sensor open or short suction tube. Condenser off.
LED1 flashes 5x LED2 flashes 1x Overcapacity cause of the error: combination overload .. Condenser off.
LED1 flashes 5x LED2 flashes 3x Sensor internal communication and external cause of the error faulty communication. Condenser off.
LED1 flashes 6x LED2 flashes 0x EEPRON error cause of the error check mismatching units. Condenser off.
LED1 flashes 6x LED2 flashes 1x Cond tube sensor temperature because of the high condensing error with high temperature. Condenser off.
LED1 flashes 6x LED2 flashes 2x heat sink temperature sensor high because of the high temperature heating error. Condenser off.
LED1 flashes 6x LED2 flashes 5x sensor open or short heat sink. Condenser off.