f19
Moderate
LG · Ovens & Ranges
Oven temperature sensor wiring fault
Quick Answer
Error code F19 on your LG Ovens & Ranges means: Oven temperature sensor wiring fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Step 1: Turn off the circuit breaker and allow the oven to cool.
2
Step 2: Open the oven and locate the temperature sensor probe (usually a metal rod mounted on the back wall of the oven cavity).
3
Step 3: Check that the sensor probe is securely mounted and not loose or disconnected.
4
Step 4: Inspect the sensor wiring for any visible damage, charring, or disconnection.
5
Step 5: Test the sensor resistance with a multimeter. At room temperature, it should read approximately 1,080-1,100 ohms.
6
Step 6: Replace the sensor if readings are out of range or the wiring is damaged.
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
Wire harness
Multimeter
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