LG Art Cool, 2 splits. Error code CH7

1. How to fix lg with code CH05 - Fixya

   www.fixya.com/support/t12722126-fix_lg_code_ch05May 8, 2012 - Question about LG Air Conditioners. 2 Answers ... Hi, i've just moved into a house with a LG ART COOL C24AWR N80 inverter unit in it. Have just .... LG Inverter V model LMN096HVT air conditioner multi unit has error code 9.

I believe the wiring may be incorrect. Here arethe fault codes.

05

Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4

5

Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4
Hope this helps

Bob

Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4

Is there any error code?
Error code e-1ndoor room sensor defective Replace it. e-2 coil sensor defective. Replace it.
Check blower motor is working with normal speed. If not replace capacitor.Hope helpful.

Ch-46Outdoor unit suction sensor fault. Disconnect from PCB and measure resistance. 10 kOhm at 10°C and 4 kOhm at 30°C. If OK replace PCB, if not replace sensor

CH-06 REFERS Indoor unit coil sensor fault. Disconnect from PCB measure resistance. 10 kOhm at 10C and 4 kOhm at 30C. if not replace sensor. THANKS.

WHERE SHOULD THE SUCTION PIPE SENSOR BE

Compressor discharge sensor fault. Disconnect from PCB measure resistance 237 kOhm at 20°C, 168 kOhm at 30C. Replace sensor.

error code CH22 is either compressor or inverter fault.

ch5 error code, means that there is a
communication error (serial comunication) between the outdoor and the indoor unit.
Only for LG-airconditioners.