Troubleshoot the CH38 error in your LG AC. Learn common causes like refrigerant leak or sensor issues, and discover quick fixes to restore efficient cooling performance.
The CH38 error in an LG AC usually points to low refrigerant levels or a communication fault between the indoor and outdoor units. To resolve it, first try resetting the AC. If the error persists, check for refrigerant leaks and contact a certified technician to safely recharge or repair the system.
Follow these steps.
Switch off the AC and unplug it from the supply.
Restart the AC – Wait for 5 minutes, then power it back on.
If issue is not resolved even after restarting, call LG Service Engineer for further repair
Move left or right to check the contents.
This guide is based on standard models. The settings menu may vary by model.
If the issue persists after following the steps above, you can get further support through LG Chatbot on our website or by requesting a technician visit.
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