LG · Oven Moderate

F6 — LG Range F6 — Upper Oven Heating Error

F6 means the upper oven is not heating as commanded — a heating-circuit fault.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Verified against
lg.com ↗

How to fix it

  1. Reset at the breaker; inspect the bake and broil elements for visible breaks.
  2. Test the elements for continuity and replace any that are open.
  3. If elements are good, suspect the control board relay.

Why it happens

Typical signs: Oven will not heat / under-heats · F6 on the display

  • Failed bake/broil element A burned-out heating element.
  • Failed relay or control A heating relay on the control board is not switching.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • LG Oven Heating Element Common replacement
    Amazon →

Related repair guides

How to Replace an Oven Bake Element →Oven Not Heating or Not Reaching Temperature →

More LG oven codes

5b 5b — Sabbath Mode active (not a fault) CF1 CF1 — Left-front cooktop sensor open/short CF2 CF2 — Left-rear cooktop sensor open/short CF3 CF3 — Right-front cooktop sensor open/short CF4 CF4 — Rear Cooktop Sensor Error (Zone Varies by Model) F1 Range F1 — Upper Oven Thermistor Error

All LG codes → All oven codes →

Frequently asked questions

What does the F6 code mean on a LG oven?

F6 means the upper oven is not heating as commanded — a heating-circuit fault.

What causes the F6 code on a LG oven?

Failed bake/broil element: A burned-out heating element. Failed relay or control: A heating relay on the control board is not switching.

Is it safe to keep using a LG oven with a F6 error?

Yes, with caution. This is rated a moderate-severity fault.

How do I fix F6 on a LG oven?

Reset at the breaker; inspect the bake and broil elements for visible breaks. Test the elements for continuity and replace any that are open. If elements are good, suspect the control board relay.

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: lg.com.