LG Electronics LW1517IVSM Questions & Answers
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What does the CH code mean?
If the LED lamp blinks or an error code [CH 00] appears on the display, your unit requires inspection.
The error may be a temporary one caused by power instability or other electrical factors. Try to unplug the power cord or turn off the circuit breaker, wait for 5 minutes, then restore power.The link below is a detailed troubleshooting guide for each error code. The letters CH precede the error codes listed in the link: https://www.lg.com/us/support/help-library/-lg-air-conditioner-guide-to-error-codes-CT10000014-20154514605616
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