Daewoo Refrigerator Error F3
⚡ Quick Answer: The Daewoo refrigerator F3 error indicates a malfunction with the temperature sensor or a fault in the defrost cycle. This results in erratic temperat... ✅ DIY Fixable
What Does Error F3 Mean?
The Daewoo refrigerator F3 error indicates a malfunction with the temperature sensor or a fault in the defrost cycle. This results in erratic temperature readings and may cause the refrigerator to fail in resuming normal cooling after defrost. The issue could stem from a defrost timing fault or faults in related components such as the defrost sensor or thermistor.
Common Symptoms:
- F3 displayed on the refrigerator’s digital panel
- Refrigerator may not resume normal cooling after a defrost cycle
Possible Causes
- Defrost cycle did not complete normally (defrost timing fault) (medium)
- Potential fault in defrost‑related components (e.g., defrost sensor, thermistor, or associated circuitry) (medium)
How to Fix Error F3
DIY Fix Basic user checks for F3
- Unplug the refrigerator power for at least 5 minutes and plug it back in to attempt a reset.
- Check that doors are closing properly and there are no obstructions blocking airflow.
- Ensure vents and rear condenser coils are clean and there’s adequate ventilation around the unit.
Technician Only Technician diagnosis and repair of F3 defrost fault
- Confirm the error code with diagnostic access mode or panel display.
- Inspect defrost sensor resistance and wiring harness for open/short conditions.
- Test the defrost heater, thermofuse, and related parts for continuity and correct operation.
- Verify control board defrost timing logic and replace any defective components (sensor, heater, fuse, board) as needed.
Parts needed: Defrost temperature sensor, Defrost heater, Thermofuse, Control board
- If F3 persists after a basic reset and cleaning, or if cooling performance remains compromised despite attempts
Next step
Choose the next step for F3
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 components that may be involved
Check these only if your diagnosis points to them.
Defrost Heater
Melts frost buildup on the evaporator coils during the defrost cycle.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
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Technical Specifications
| wattage | N/A |
|---|---|
| component | Temperature Sensor |
| resistance | 5-10 kΩ |
| part_number | DA63-09156A |
| voltage_rating | 120V AC |
Common Questions
What does F3 error mean on daewoo refrigerator?
F3 indicates a temperature sensor malfunction or defrost cycle timing fault.
Can I fix daewoo refrigerator F3 error myself?
Yes, try unplugging the fridge for 5 minutes, checking door seals, and ensuring airflow.
How much does it cost to fix F3 error?
Repair costs range from ¥8,000 to ¥40,000, depending on parts and labor.
When should I call a technician for F3?
Call a technician if the F3 error persists after resets and cleaning.
Sources & References
Data last verified: 2026-04-23
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