S266DQ

Help Library

Troubleshooting
LG Air Conditioner - Error Codes

An error code on the display of the room air conditioner can usually be resolvedby performing a few simple troubleshooting steps. If you need information abouta split unit or duct free air conditioner, they are considered business units,ple...
Troubleshooting
[LG Air Conditioner Heating] Heating does not provided, and preheat takes long

If preheat takes long and occurs frequently, install an air guide to preventoutdoor unit from cold temperature, or remove obstacles or clean dusts off toreduce preheat time, and facilitate heating performance.Lukewarm air blowing all day lo...
Troubleshooting
[LG Air-Conditioner Error Codes] Checking code CH53

Error CH05 may take place by abnormal communication between the indoor unit andthe outdoor unit.How to check error codeThe first LED indicates error at 1’s digit.The second LED indicates error at 10’s digit.Ex) After the second LED blinks 3...
Troubleshooting
[LG Air Conditioner Air] Air does not blow

The preheat function runs to prevent blow of chill air from the indoor unit whenoperating the heating mode first, and the defrosting function to keep heatingwell in winter.In such a case, air may not blow from the indoor unit.It is normal t...
Troubleshooting
[LG Air Conditioner Error Code][Wall-Mounted] CH and 61 alternatively blink on the display

[Cooling] Inspection code of error CH 61 can be displayed to protect the productwhen the temperature of the evaporator of the outdoor unit rises high.[Heating] Error code CH61 may appear if the temperature inside the indoor unitrises high b...
Troubleshooting
LG Air Conditioner - What causes weak heating?

What causes weak heating? Symptom Heating > Weak heated airCause -When the airways around the outdoor unit isblocked by obstacles, heated air from the indoor unit may get weak due to the lack of air ventilation. -When the outdoor unit is in...