LG Ovens & Ranges2018–present

Error Code F5

Lower oven sensor short — oven thermistor is shorted

Moderate

Address soon - your appliance may not work properly

Also displayed as: F5

How to Fix

  1. 1

    Unplug the unit.

  2. 2

    Check sensor connector at CN61 pins 5 and 6 of Main PCB.

  3. 3

    Measure thermistor resistance — a short will read below 5 Ω; normal is approximately 1.09 kΩ at 75°F (25°C).

  4. 4

    If shorted, replace the lower oven temperature sensor.

  5. 5

    If resistance is normal, enter test mode and verify thermistor reading is between 70°F and 90°F.

  6. 6

    If abnormal in test mode, replace the Main PCB.

This Error Applies To

LG LTG4715 Series Ovens & Ranges (2018) (2018–present)

Service manual exact match: LTG4715STService manual exact match: LTG4715BDService manual exact match: LTG4715BM

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