Whirlpool Air Conditioner Error F3

⚡ Quick Answer: The Whirlpool air conditioner error F3 signifies a failure in the outdoor ambient temperature sensor, which can lead to erratic temperature readings o... ✅ DIY Fixable

What Does Error F3 Mean?

The Whirlpool air conditioner error F3 signifies a failure in the outdoor ambient temperature sensor, which can lead to erratic temperature readings or inadequate cooling performance. This issue typically causes the unit to stop operation and display the F3 code on the control panel. Troubleshooting may involve checking for sensor obstructions and performing a basic reset.

Common Symptoms:

  • Unit stops operation and displays F3 on the control panel
  • No cooling or reduced performance associated with the error display

Possible Causes

  • Outdoor environmental temperature sensor (ambient) fault (medium)
  • Temperature sensor or wiring issue (general sensor fault) (medium)

How to Fix Error F3

DIY Fix Basic Checks and Reset

  1. Turn off the air conditioner and disconnect power for at least 5 minutes.
  2. Check that the outdoor unit is unobstructed and that nothing is heavily covering sensors.
  3. Restart the unit to see if the error clears on power‑up.

Technician Only Inspect and Replace Faulty Sensor / Wiring

  1. Visually and electrically inspect the outdoor ambient temperature sensor and its wiring harness for damage, loose connections, or corrosion.
  2. Measure sensor resistance and compare to manufacturer spec (if available).
  3. Replace the faulty outdoor temperature sensor and repair wiring as needed.
  4. Test the unit after parts replacement to confirm resolution.

Parts needed: Outdoor ambient temperature sensor, Wire harness/connectors

🛑 When to Call a Pro:
  • If the error persists after basic reset and visual checks
  • If sensors and wiring test within normal ranges but error remains

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 5-10 kOhms
part_number WPW10185972
voltage_rating 120V AC

Common Questions

What does F3 error mean on whirlpool air conditioner?

F3 indicates a failure in the outdoor ambient temperature sensor, causing erratic temperature readings.

Can I fix whirlpool air conditioner F3 error myself?

Yes, you can try basic checks and a reset, such as turning off the unit and ensuring sensors are unobstructed.

How much does it cost to fix F3 error?

Repair costs for the F3 error typically range from $50 to $200, depending on parts and labor.

When should I call a technician for F3?

Call a technician if the error persists after a reset or if sensors and wiring test normal but the error remains.

Sources & References

Data last verified: 2026-03-18

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