Lg Oven Error F8

⚡ Quick Answer: The LG oven F8 error code signals a malfunction in the temperature sensor circuit, specifically related to the upper/right probe. This can lead to err... ⚠️ Difficulty Varies

What Does Error F8 Mean?

The LG oven F8 error code signals a malfunction in the temperature sensor circuit, specifically related to the upper/right probe. This can lead to erratic temperature readings, causing your oven to refuse heating or disrupt cooking cycles. The issue may arise from a shorted or defective probe sensor or wiring problems between the sensor and control board. Proper diagnostics and repairs are essential for consistent cooking results.

Common Symptoms:

  • Oven displays F8 on the control panel
  • Oven may refuse to heat or start cooking cycles
  • Error appears shortly after starting a cooking/preheat cycle

Possible Causes

  • Shorted or defective oven probe sensor (upper/right probe) (medium)
  • Wiring issue between the probe and control board (medium)

How to Fix Error F8

DIY Fix Basic User Checks & Reset

  1. Turn the oven off and disconnect it from power (unplug or turn off circuit breaker).
  2. Wait a few minutes to allow the control board to reset.
  3. Ensure any meat probe accessory is fully inserted correctly and undamaged.
  4. Reconnect power and see if the error persists.

Technician Only Inspect/Replace Probe Sensor and Wiring

  1. With power disconnected, access the internal probe sensor wiring and connector.
  2. Visually inspect for signs of burning, loose connections, or damaged insulation.
  3. Test the probe sensor resistance using a multimeter to check for shorts or out‑of‑range values.
  4. Replace the probe sensor if defective.
  5. Repair or replace any damaged wiring between probe and control board.

Parts needed: Oven probe sensor (upper/right probe), Sensor harness/wiring

🛑 When to Call a Pro:
  • If error persists after basic reset and inspection of probe and wiring
  • If internal wiring appears damaged or burnt
  • If oven components beyond user‑removable parts are suspected

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 10-30 ohms
part_number LG EBF49827801
voltage_rating 120V AC

Common Questions

What does F8 error mean on LG oven?

The F8 error indicates a malfunction in the temperature probe circuit, causing erratic heating.

Can I fix LG oven F8 error myself?

Yes, you can try resetting the oven and checking the probe for damage.

How much does it cost to fix F8 error?

Repair costs range from ¥3,000 to ¥12,000, depending on parts and labor.

When should I call a technician for F8?

Contact a technician if the error persists after a reset or if you notice damaged wiring.

Data last verified: 2026-01-10

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