Westinghouse Air Conditioner Error F2

⚡ Quick Answer: The Westinghouse Air Conditioner F2 error indicates a malfunction in the indoor temperature sensor, leading to inaccurate temperature readings and inc... ⚠️ Difficulty Varies

What Does Error F2 Mean?

The Westinghouse Air Conditioner F2 error indicates a malfunction in the indoor temperature sensor, leading to inaccurate temperature readings and inconsistent cooling performance. This may cause the unit to stop operating or fail to start. An erratic temperature regulation can disrupt the comfort of your space, necessitating prompt attention.

Common Symptoms:

  • Error code F2 shows on display or via blinking pattern
  • Unit may stop operation or not start
  • Temperature regulation may be incorrect or erratic

Possible Causes

  • Indoor ambient/room temperature sensor fault or abnormal reading (low)

How to Fix Error F2

DIY Fix Basic checks and reset

  1. Turn off the air conditioner and disconnect power for several minutes
  2. Ensure the unit’s filters are clean and vents are unobstructed
  3. Restore power and attempt to restart the AC to see if F2 clears

Technician Only Sensor diagnosis and replacement

  1. Access indoor unit and locate the room/ambient temperature sensor
  2. Measure sensor resistance at ambient temperature to check if within expected range
  3. Verify sensor wiring continuity and secure connector seating
  4. Replace the sensor if resistance is out of specification

Parts needed: Indoor temperature/ambient sensor, Connector harness (if damaged)

🛑 When to Call a Pro:
  • If the F2 error persists after basic reset and cleaning
  • If the sensor wiring appears damaged or inaccessible
  • If unfamiliar with electrical diagnostics or handling internal components

Next step

Choose the next step for F2

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

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.

Find a part that fits my model

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.

Model number required

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.

Find a part that fits my model

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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.

Maintenance supply

Air Conditioner Fin Cleaner

For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.

View maintenance supply
Maintenance supply

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.

Find one that fits my model

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 Temperature Sensor
resistance 5-10 kOhms
part_number WAC-SENSOR-001
voltage_rating 120V AC

Common Questions

What does F2 error mean on Westinghouse Air Conditioner?

F2 indicates a malfunction in the indoor temperature sensor, causing erratic temperature readings.

Can I fix Westinghouse Air Conditioner F2 error myself?

Yes, try basic checks like resetting the unit and ensuring filters are clean.

How much does it cost to fix F2 error?

Repair costs typically range from $50 to $200 for parts and labor.

When should I call a technician for F2?

Call a technician if the error persists after a reset, if wiring is damaged, or if you're unsure about electrical work.

Sources & References

Data last verified: 2026-07-22

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