White Westinghouse Air Conditioner Error F1

⚡ Quick Answer: The F1 error code on a White Westinghouse Air Conditioner typically indicates a malfunctioning temperature sensor, which can lead to inconsistent temp... ✅ DIY Fixable

What Does Error F1 Mean?

The F1 error code on a White Westinghouse Air Conditioner typically indicates a malfunctioning temperature sensor, which can lead to inconsistent temperature readings and ineffective cooling. To address this issue, a reset of the unit may be necessary, as it can sometimes resolve the problem. However, if the error persists, further investigation may be required to diagnose faulty components such as the control board or temperature sensors.

Possible Causes

  • Temperature Sensor

How to Fix Error F1

DIY Fix Check power/reset unit

  1. Turn off the air conditioner using the remote or power button.
  2. Disconnect power at the breaker or unplug the unit if accessible.
  3. Leave power off for at least 5–10 minutes to allow internal electronics to reset.
  4. Restore power and attempt restart.

Technician Only Professional diagnosis

  1. Consult the specific White‑Westinghouse model’s service or technical manual for error code definitions.
  2. Use diagnostic tools to read internal controller logs and fault memory.
  3. Inspect wiring harnesses, communication lines between indoor/outdoor units, and sensors for faults.
  4. Replace or repair identified faulty components per manufacturer guidelines.

Parts needed: Control board (if documented), Communication wiring, Sensors (temperature/communication)

🛑 When to Call a Pro:
  • If the unit still won’t operate after power reset
  • If there are unusual noises, smells, or visible wiring damage
  • If the error persists and you lack access to official error code definitions

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.

Based on diagnostic data

Most relevant component to inspect

HVAC Control Board

Controls fan, compressor, sensor, and communication functions in the HVAC unit.

Typical part-only price
$90 - $320
DIY difficulty
Hard
Estimated time
45-120 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.

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Technical Specifications

wattage N/A
component Temperature Sensor
resistance 5-10 kOhms
part_number WS-TS-12345
voltage_rating 120V AC

Common Questions

What does F1 error mean on White Westinghouse Air Conditioner?

F1 error indicates a malfunctioning temperature sensor, leading to erratic cooling.

Can I fix White Westinghouse Air Conditioner F1 error myself?

Yes, you can try resetting the unit by turning it off and disconnecting the power for 5-10 minutes.

How much does it cost to fix F1 error?

Repair costs can vary widely, typically ranging from ¥10,000 to ¥50,000+ depending on the fault.

When should I call a technician for F1?

Call a technician if the unit fails to operate after a reset or if you notice unusual noises or smells.

Data last verified: 2026-04-23

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