If the LED lamp blinks or an [ER(E) CO] appears on the display, it is a communication error code that requires a product inspection. This inspection code appearing on the product may be caused by a temporary error as a result of an unstable power supply, or other electrical factors.
E CO (communication) error
A CO appears on the display if the communication between the main board and the display PCB is not available.
Such a communication failure may be caused by the main board or display PCB failure, as well as possible wire disconnection.
It is necessary to have it checked by an LG service technician.
Such a communication failure may be caused by the main board or display PCB failure, as well as possible wire disconnection.
It is necessary to have it checked by an LG service technician.
Try this
Unplug the power cord of the product or trip the exclusive circuit breaker to reset the power, and then reuse it after about 5 minutes.
➔ If the same symptom and the same inspection code are repeated, it is necessary to have it checked by an LG service technician for an accurate diagnosis.
This guide was created for all models, so the images or content may be different from your product.
