f6
Moderate
LG · Ovens & Ranges
Upper oven overheating error - temperature exceeded safe limit
Quick Answer
Error code F6 on your LG Ovens & Ranges means: Upper oven overheating error - temperature exceeded safe limit. 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: Press CLEAR/OFF immediately and open the oven door carefully to allow heat to dissipate.
2
Step 2: Turn off the circuit breaker to the range and allow the oven to cool completely.
3
Step 3: After cooling, restore power and try running the oven at a low temperature setting (300F).
4
Step 4: Monitor the oven temperature with an oven thermometer. If it significantly exceeds the set temperature, the control board relay may be stuck.
5
Step 5: Test the oven temperature sensor. A faulty sensor giving low readings could cause the oven to overheat.
6
Step 6: If the control board relay is stuck closed, the main control board needs replacement. Contact LG service.
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
Main control board
Oven thermometer for testing
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