f2
Moderate
LG · Ovens & Ranges
Upper oven thermistor error - sensor giving incorrect readings
Quick Answer
Error code F2 on your LG Ovens & Ranges means: Upper oven thermistor error - sensor giving incorrect readings. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Upper oven temperature sensor drift or failure
  2. Intermittent connection in sensor wiring
  3. Control board incorrectly reading sensor
  4. Damaged sensor probe
How to Fix It
1
Step 1: Press the CLEAR/OFF key and try the original function again.
2
Step 2: If the error reappears, turn off the circuit breaker for 30 seconds, then turn it back on.
3
Step 3: If the error persists, test the oven temperature sensor with a multimeter. At room temperature, it should read approximately 1,080-1,100 ohms.
4
Step 4: Check the sensor wiring for any damage, pinching, or loose connections.
5
Step 5: Replace the temperature sensor if readings are out of range.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Oven temperature sensor probe
Multimeter
Related Error Codes
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