F3 Error Code
📋 What Does F3 Mean?
Oven Temperature Sensor (RTD) Open Circuit — the oven temperature probe is reading an open circuit.
🔍 Common Causes
- 1Temperature probe wiring disconnected
- 2Probe burned out from extreme heat
- 3Wiring harness to probe damaged
📞 When to Call a Pro
Temperature probe replacement is a straightforward technician repair.
🔧 DIY Fix Steps
- 1Unplug stove and locate the oven temperature probe at back of oven cavity
- 2Check wiring connections at probe and control board
- 3Test probe resistance with multimeter — should be about 1100 ohms at room temperature
Frequently Asked Questions
What does F3 mean on a Lg stove?
Oven Temperature Sensor (RTD) Open Circuit — the oven temperature probe is reading an open circuit.
Can I fix F3 myself?
Yes, in many cases. Start with: unplug stove and locate the oven temperature probe at back of oven cavity If that does not resolve it, temperature probe replacement is a straightforward technician repair.
How much does it cost to repair error F3?
Estimated repair cost: $100–$250. This varies by region and technician.
Tools That Help With This Diagnosis
Basic troubleshooting tools grouped separately from the actual error-code explanation.
Multimeters
Useful for basic electrical checks when the repair path calls for it and the unit is safely isolated.
Driver sets
Useful when the first obstacle is simply reaching the part or hose involved.
Cleanup tools
Useful for drain and leak faults where standing water hides the problem.
Related Pages
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Diagnostic tools
See basic tools that help without mixing them into the code explanation itself.
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