Error code · Range

LG Range Code F11: Control Communication

Medium · inspection needed

Code: F11
Appliance: Range
Brand: LG
Warranty: 30-day workmanship

What F11 means

On LG electric and gas ranges with a numeric F-code display, F11 is listed as a communication error. The parts of the range control talk to each other, and F11 means that exchange has been interrupted. The oven may stop, ignore the keypad, or show the code when you try a function. The list gives only the words communication error, and it does not name which two parts are involved.

Common causes of F11

A connection between control parts that is loose
A control board that is not answering
A one-time interruption after a power event
A keypad or display that is not reporting

✓ One safe check you can try

1. Press CLEAR/OFF and see whether the keypad responds. 2. If F11 returns, switch off the circuit breaker for 30 seconds and switch it back on. 3. If it returns once more, stop using the range and call us. 4. Do not open the control panel or pull any wiring yourself.

! Why to stop there

F11 names a communication problem without naming a part, so we check the connections before testing any board.
We confirm the board is the cause before ordering it, because a loose connection is cheaper to fix.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Range codes

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F11F11 questions

What is F11 on this range?

A communication error. The control cannot exchange information the way it should, so the range stops the function. A short power dip can leave it showing as well.

Can power surges cause F11?

They can interrupt communication for a moment. A breaker reset clears that kind. A repeat points to a hardware problem. A brief interruption is the easiest cause to clear.

Is the whole range affected?

It depends on the model. The oven may stop while the cooktop still works, but we do not assume that before we test. Some functions may still work while the oven stops.

Book a visit

Still seeing F11?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 597-5662