Whirlpool Air Conditioner Error F4
⚡ Quick Answer: The Whirlpool air conditioner error F4 indicates a failure in the outdoor condenser temperature sensor circuit, potentially causing inaccurate tempera... ✅ DIY Fixable
What Does Error F4 Mean?
The Whirlpool air conditioner error F4 indicates a failure in the outdoor condenser temperature sensor circuit, potentially causing inaccurate temperature readings and improper cooling. Additionally, an outdoor fan motor fault or obstruction may be present, leading to the unit shutting down or failing to operate effectively.
Common Symptoms:
- AC displays F4 on indoor unit panel
- Outdoor fan not operating properly
- Unit may shut down or fail to operate cooling
Possible Causes
- Outdoor condenser temperature sensor circuit open or short (medium)
- Outdoor fan motor fault or obstruction (medium)
How to Fix Error F4
DIY Fix Basic user checks and reset
- Turn off the air conditioner and disconnect power for a few minutes.
- Inspect outdoor unit area for debris blocking the fan.
- Ensure the outdoor fan blade can spin freely when power is off.
Technician Only Diagnose sensor circuit and outdoor fan assembly
- Measure outdoor condenser temperature sensor resistance and wiring continuity.
- Test outdoor fan motor, capacitor, and motor bearings.
- Check outdoor unit PCB for fan driver circuit faults.
Parts needed: Outdoor condenser temperature sensor, Outdoor fan motor, Fan motor capacitor, Outdoor unit PCB
- If the outdoor fan still does not run after clearing obstructions and basic checks
- If temperature sensor wiring or PCB issues are suspected
- If error recurs after reset
Next step
Choose the next step for F4
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.
Capacitor
Stores electrical energy to assist in starting or running the motor efficiently.
HVAC Control Board
Controls fan, compressor, sensor, and communication functions in the HVAC unit.
Model-compatible Air Conditioner 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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
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.
Air Conditioner Fin Cleaner
For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.
Model-Compatible Washable AC Filter
A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.
Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | |
|---|---|
| component | Indoor Temperature Sensor |
| resistance | 5-10 kOhms at room temperature |
| part_number | W10823877 |
| voltage_rating | 120V AC |
Common Questions
What does F4 error mean on whirlpool air conditioner?
F4 indicates a failure in the outdoor condenser temperature sensor circuit, affecting cooling and temperature accuracy.
Can I fix whirlpool air conditioner F4 error myself?
Yes, you can perform basic checks like inspecting for debris and ensuring the outdoor fan spins freely.
How much does it cost to fix F4 error?
The estimated repair cost ranges from $150 to $450, depending on the specific issue.
When should I call a technician for F4?
Call a technician if the outdoor fan doesn't run after checks, or if wiring or PCB issues are suspected.
Sources & References
Data last verified: 2026-07-25
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