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Bryant Boat Owners

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Logan Adams
Logan Adams

Lg Inverter Ac Error Codes



The meaning of the 01 error is the Indoor unit return air Thermistor is faulty. You can try to Unplug the Thermistor from the PCB & Check the resistance value for 20k ohms.




Lg Inverter Ac Error Codes



The meaning of the 02 error is that there is a problem with the Indoor unit coil inlet Thermistor. You can unplug the Thermistor from the indoor PCB and Check it for 20k ohms resistance.


The meaning of 03 error indicates a wiring error between the remote control system and the fan coil. This is most common in group control applications where more than 1 fan coil is connected to a single remote controller. Check first if you did the wiring correctly.


05 error code indicates a communication problem between the indoor and outdoor units. It appears approximately 5 minutes after powering up the system.The communication between the units is a fluctuating DC voltage commonly called a serial signal. If there is a communication error fault CH05 will appear on the Wired Remote within 5 mins of powering up the system. It can be easily lost if the wiring is not done correctly.


The meaning of the 06 error code is the problem with the Indoor unit coil outlet Sensor. You can unplug the sensor from the indoor PCB and Check its resistance for 20k ohms.


A CH07 error code will appear when the condenser is in heating and any slave is set on cool mode. Likewise, if the condenser is in cooling and any slave is set to heating a CH07 fault code will appear.


If you facing a 09 error problem in your air conditioner, you can check for loose connections or dry joints where EEPROM connects on Main PCB. You need to repair it if possible, if you can not repair then you can replace the PCB.


Appearing a 10 error code in the display can cause of a faulty indoor fan motor. You can check if the fan motor lock or faulty. Replace the fan motor. If the problem is still the same, change the PCB.


When the compressor is over-current, the 22 error code will appear in the display. You can check the PCB using a multimeter, check all connectors for loose connections and check the main power circuit voltage.