Whirlpool Air Conditioner Error UA

⚡ Quick Answer: The Whirlpool Air Conditioner UA error code signifies a communication failure between the indoor and outdoor units. This often results in the display ... ✅ DIY Fixable

What Does Error UA Mean?

The Whirlpool Air Conditioner UA error code signifies a communication failure between the indoor and outdoor units. This often results in the display blinking or showing the error message, leading to abnormal operation or the unit being unable to run normally. Common causes include installation mismatches or configuration errors between the units.

Common Symptoms:

  • UA displayed on AC unit panel
  • Potential abnormal operation or inability to run normally

Possible Causes

  • Installation mismatch or configuration error between indoor and outdoor units (medium)

How to Fix Error UA

DIY Fix Power cycle the air conditioner

  1. Turn off the air conditioner via remote or control panel.
  2. Disconnect from power (unplug or turn off circuit breaker).
  3. Wait several minutes.
  4. Restore power and attempt restart.

Technician Only Check installation configuration and unit compatibility

  1. Inspect model numbers and specifications of indoor and outdoor units to verify correct pairing.
  2. Verify wiring and communication connections between indoor and outdoor units.
  3. Reconfigure or correct any mismatches in system setup.
  4. Test operation after adjustments.

Parts needed: Indoor unit, Outdoor unit, Control wiring

Technician Only Service call for abnormal unit diagnosis

  1. Perform diagnostic check using manufacturer tools.
  2. Check for sensor, control board, or communication faults.
  3. Repair or replace faulty components as indicated.

Parts needed: Sensors, Control board, Communication modules

🛑 When to Call a Pro:
  • If UA persists after power cycling
  • If unit does not run normally or displays additional fault symptoms

Next step

Choose the next step for UA

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.

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 2000W
component Control Board
resistance 10-20 ohms
part_number W10351029
voltage_rating 115V AC

Common Questions

What does UA error mean on Whirlpool Air Conditioner?

The UA error indicates a communication failure between the indoor and outdoor units.

Can I fix Whirlpool Air Conditioner UA error myself?

Yes, you can try power cycling the unit by turning it off and disconnecting it from power.

How much does it cost to fix UA error?

Repair costs range from ¥5,000 to ¥25,000, depending on service complexity.

When should I call a technician for UA?

Call a technician if the UA error persists after power cycling or if the unit shows other fault symptoms.

Data last verified: 2026-07-22

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