Communication Error
Communication Error
Likely cause: The main board and display board cannot communicate. Often a loose wire harness or a failed board. Power cycle first, then call for service if it persists. Board replacement: $180–$350.
Power cycle the unit: unplug for 30 seconds, then reconnect. Check all internal wiring connections for looseness. If error persists after power cycle, the control board or main PCB needs replacement.
Difficulty: Moderate Repair
Consider calling a professional for this repair.
https://www.applinacerepairnearme.us/error-codes/lg-error-codes
Communication Error.
The main board and display board cannot communicate. Often a loose wire harness or a failed board. Power cycle first, then call for service if it persists. Board replacement: $180–$350..
Power cycle the unit: unplug for 30 seconds, then reconnect. Check all internal wiring connections for looseness. If error persists after power cycle, the control board or main PCB needs replacement. Estimated repair cost: $200-450.
This is rated as moderate repair. This may require a professional technician.
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