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LG Oven Error Code F16

Call a professionalReviewed November 2026Checked against manufacturer documentation
What this code means
F16: Oven overheating: temperature ran too high during cooking

F16 reports the same runaway-temperature fault as F6 — the oven held above 650°F for two minutes outside self-clean — on the lower oven of double-oven models or on platforms that number it separately. A stuck relay or a drifting sensor is the usual root cause.

Also shown as: F-16

Fix level
Call a professional
The checks on this page are preliminary. The likely fix involves a part, wiring or the control board.
Time to run the checks
About 25–50 minutes
For the 5 checks on this page — not a full repair.
You may need
No special tools
The checks below use basic household items only.
Parts that may be involved
Electronic control board, Oven temperature sensor (+2 more below)
Parts are model-specific; see the note below before ordering.

Common causes

  1. Heating relay stuck closed on the control board
  2. Lower oven temperature sensor drifting out of range
  3. Shorted heating element circuit
  4. Failed electronic control board

What to check, in order

Safety first. Switch the appliance off and unplug it before checking anything inside it. If you are not comfortable with any step, stop and call a technician.
  1. Switch the oven off at the breaker and leave it off. An overheating oven is a safety issue, not a code to cook through.
  2. Note which oven was running; F16 is the overheat report paired with F6, most often for the lower oven or a newer control platform.
  3. With the oven cool and power off, test the relevant temperature sensor for roughly 1,080 ohms at room temperature.
  4. Check the bake and broil elements for visible holes, blistering or a section that glows with the oven off.
  5. Relay and board faults need professional testing with live voltage.

Clear the code and test

  1. Fix what the checks above found first. Clearing the code without fixing the cause only brings it back.
  2. Plug the appliance back in and restore its water supply if it has one.
  3. Run the shortest programme and watch the point where the code appeared before.
  4. If the programme finishes with no code, the fault is cleared. If the code returns, write it down before calling a technician — it speeds up the diagnosis.

When to call a professional

This code usually points to a faulty part, wiring or the control board on a LG oven. Run the checks above to rule out the simple causes, then book a technician — and book one straight away if any of these apply:

  • The code comes back after you have run the checks and a test cycle.
  • You smell burning, see sparks or scorch marks, or the breaker trips.
  • Water is leaking and you cannot stop it at the tap.
  • The fix needs panels opened beyond what your manual describes, or a part tested with a meter, and you are not set up for that.

When you call, give the brand, the code F16, your model number (on a label inside the door or on the back) and the checks you already ran. It shortens the visit.

Repair or replace?

This fault is in professional territory: the fix usually means a major part or board-level work, and the labour adds up. If your machine is already well into its service life, get the repair quote first, then compare it with the price of a current equivalent model before you decide. Paying a large share of a new machine's price to repair an old one is rarely the better deal; replacing a machine over one cheap fault is wasteful too.

Parts that may be involved

Electronic control boardOven temperature sensorBake elementBroil element

Parts are model-specific. Find your model number first — usually on a label inside the door, on the door frame or on the back — and match the part to that number before ordering.

Questions people ask about F16

What does F16 mean on a LG oven?

F16 means: Oven overheating: temperature ran too high during cooking. F16 reports the same runaway-temperature fault as F6 — the oven held above 650°F for two minutes outside self-clean — on the lower oven of double-oven models or on platforms that number it separately. A stuck relay or a drifting sensor is the usual root cause.

Can I fix LG F16 myself?

Only the preliminary checks. Code F16 usually means a part, wiring or the control board has failed, which is a technician job. Run the checks to rule out simple causes before you book.

How do I clear LG F16?

Fix the cause first — clearing the code on its own brings it straight back. Then restore power and water, run the shortest programme, and watch the stage where the code appeared. If the programme finishes with no code, it is cleared.

Sources checked

The meaning and checks for this code were checked against the sources above in November 2026. Codes vary by model and region; if your manual lists a different meaning for your exact model, follow the manual.

Other LG oven codes

LG F1Oven sensor error: temperature sensor circuit is openLG F10Door lock error: door lock failed while operatingLG F11Communication error between the cooktop and oven controlsLG F18Meat probe error: lower oven probe is shortedLG F19No heat: oven is not heating during preheatLG F2Oven sensor error: temperature sensor circuit is shortedLG F20Door lock error: door lock failed while operatingLG F24Steam sensor error: steam thermistor is openLG F25Steam sensor error: steam thermistor is shortedLG F27Cooling fan error: fan stalled during self-cleanLG F3Keypad error: a control key is shorted or stuckLG F4Oven sensor error: second sensor circuit is openLG F5Oven sensor error: second sensor circuit is shortedLG F6Oven overheating: temperature ran too high during cookingLG F7Convection fan error: fan operation not detectedLG F8Meat probe error: probe sensor is shortedLG F9No heat: oven is not heating during preheat