LG Oven Error F1
⚡ Quick Answer: The LG oven error F1 indicates a malfunction with the control board, often resulting in a beeping sound and an unresponsive display. This error typica... ❌ Professional Repair Recommended
What Does Error F1 Mean?
The LG oven error F1 indicates a malfunction with the control board, often resulting in a beeping sound and an unresponsive display. This error typically arises from a faulty temperature sensor (thermistor) or an internal control/keypad issue. Users may notice the F1 code displayed when powering up the oven or attempting to initiate a cooking cycle, with oven functions disabled, such as bake and broil.
Common Symptoms:
- F1 displayed on oven screen, often accompanied by beeping and oven functions disabled (cannot start bake/broil) as reported in repair communities.
- Occurs on power‑up or when attempting a cooking cycle (community repair guides).
Possible Causes
- Open or faulty oven temperature sensor (thermistor) or its connection (medium)
- (medium)
How to Fix Error F1
- Inspect the Control Board: Remove the oven's back panel to access the control board. Look for burnt components or loose connections.
- Test Voltage to the Control Board: Using a multimeter, check for proper voltage at the control board terminals. Refer to the wiring diagram for correct specifications.
- Replace the Control Board if Necessary: If the control board shows signs of damage or fails the voltage test, replace it with a new one. Ensure all connections are secure.
Next step
Choose the next step for F1
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Thermistor
Measures precise temperature changes and sends resistance feedback to the control board.
Model-compatible Oven parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Non-Scratch Cooktop Cleaner
A routine surface-care product. Confirm that it is approved for the specific glass, ceramic, enamel, or stainless finish.
Oven Thermometer
A diagnostic aid for comparing cavity temperature during a controlled check. It does not prove which internal component has failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | N/A |
|---|---|
| component | Control Board |
| resistance | N/A |
| part_number | EBR73519901 |
| voltage_rating | 120V AC |
Common Questions
What does F1 error mean on LG oven?
F1 indicates a control board malfunction, often linked to a faulty temperature sensor or keypad issue.
Can I fix LG oven F1 error myself?
No DIY actions are available for this error, professional service is recommended.
How much does it cost to fix F1 error?
Repair costs vary by model and region, so it’s best to consult a local technician.
When should I call a technician for F1?
Call a technician when basic troubleshooting fails, as this error indicates a significant malfunction.
Data last verified: 2026-07-26
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