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Error F5 Degraded US market

LG Oven / Range Error Code F5

F5 on a LG oven / range usually means: F5 indicates a Lower Oven Thermistor Error. On a LG Oven / Range, code F5 points to the thermistor.

Fix it fast: Manufacturer troubleshooting steps. Full ranked steps below.

Likely part
thermistor
Fault type
heating
Manufacturer source Updated Oct 17, 2026 View source

How to fix F5 — ranked steps

Try these in order. Stop when the code clears.

  1. 1 Manufacturer troubleshooting steps

    DIY
    • Press the CLEAR/OFF key and try the original function again.
    • If the error code reappears, turn the circuit breaker to the unit off and wait 30 seconds before turning it back on.

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