LG Oven f11 error code
The cooktop board and the oven board lost communication for more than 10 seconds. On LG ranges this often appears during self-clean.
Also shown as: f11, F11
Last updated: October 6, 2026
What causes the f11 error?
- Loose wiring or connector between the boards
- Failed cooktop control board
- Failed oven control board
- Power glitch during self-clean
- Overheating electronics during self-clean
How to fix LG f11 — step by step
Work through these in order, from simplest and safest first. Stop as soon as the code clears.
- Let the oven cool and reset
Turn the oven off, let it cool completely, then switch the breaker off for 2 minutes and back on. Do not run self-clean again until the cause is known.Safety warning: Never force the door open during or after self-clean. Let it cool and unlock on its own. - Check for a power glitch cause
If F11 appeared during a storm or outage, the reset alone may fix it. Consider a surge protector for the range. - Note when it happens
If F11 only appears in self-clean, the heat may be disturbing a weak connection. If it appears in normal baking too, a board is likely failing.
When to call a technician
- F11 returns after cooling and reset
- It appears during normal baking, not just self-clean
- The oven or cooktop controls act erratically
- A control board needs replacing
Frequently asked questions
Can I still cook with F11?
Sometimes normal baking works after a reset, but do not use self-clean until a technician checks it.
Why does self-clean trigger F11?
Self-clean runs extremely hot, which stresses boards and wiring. A weak connection that survives baking can fail in self-clean.
Is F11 dangerous?
The oven stops itself as protection. The risk is a failing board, so get it diagnosed rather than ignoring it.
Sources
Every meaning and fix above was checked against official manufacturer documentation:
FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.