Westinghouse Air Conditioner Error E5

⚡ Quick Answer: The Westinghouse Air Conditioner E5 error indicates an overcurrent protection trip, causing the compressor to shut down shortly after startup. The ind... ✅ DIY Fixable

What Does Error E5 Mean?

The Westinghouse Air Conditioner E5 error indicates an overcurrent protection trip, causing the compressor to shut down shortly after startup. The indoor temperature sensor may fail, leading to erratic temperature readings. While the compressor stops, the indoor and outdoor fans may continue running, suggesting an issue that requires immediate attention to prevent further damage.

Common Symptoms:

  • E5 displayed on unit panel shortly after startup
  • Compressor shuts down soon after starting
  • Indoor/outdoor fan may continue to run despite compressor shutdown

Possible Causes

  • Compressor overcurrent/trip (low)

How to Fix Error E5

DIY Fix Basic Safety and Preliminary Checks

  1. Turn off the air conditioner and disconnect power at the breaker before inspecting.
  2. Ensure the outdoor unit’s airflow is not obstructed by debris, vegetation, or other blockages.
  3. Clean the outdoor coil gently with a soft brush and low‑pressure water spray, avoiding electrical components.

Technician Only Detailed Diagnostic and Repair

  1. Check outdoor fan operation to ensure it runs at full speed; if not, diagnose fan motor and run capacitor.
  2. With power off, inspect compressor and fan wiring for burnt connectors, loose terminals, or signs of arcing.
  3. Using a multimeter, measure compressor winding resistances for continuity and check for shorts to ground.
  4. Inspect the run capacitor for bulging or leakage and replace if suspect.
  5. If mechanical and electrical tests are normal, test or replace the current‑sensing circuit on the outdoor PCB.

Parts needed: Outdoor fan motor and capacitor, Compressor, Current‑sensing circuit/PCB components

🛑 When to Call a Pro:
  • If the compressor shows signs of seizure or shorted windings
  • If you are not trained to test or replace high‑voltage HVAC components
  • If the error persists after basic airflow and debris checks

Next step

Choose the next step for E5

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

Capacitor

Stores electrical energy to assist in starting or running the motor efficiently.

Typical part-only price
$15 - $35
DIY difficulty
Easy
Estimated time
10-20 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.

Possible related component

Compressor

Compresses refrigerant within the sealed cooling system and requires specialized service equipment.

$180 - $600 · Hard · 120-240 mins

Check fit & price
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.

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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 Indoor Temperature Sensor
resistance 5-10k ohms at 25°C
part_number WAC-TS-001
voltage_rating 120V AC

Common Questions

What does E5 error mean on Westinghouse Air Conditioner?

E5 indicates an overcurrent protection trip, causing compressor shutdown and erratic temperature readings.

Can I fix Westinghouse Air Conditioner E5 error myself?

Yes, you can check for airflow obstructions and clean the outdoor coil, but safety precautions are essential.

How much does it cost to fix E5 error?

Repair costs range from ¥15,000 to ¥80,000+, depending on parts and labor.

When should I call a technician for E5?

Call a technician if the compressor shows signs of damage or if the error persists after basic checks.

Data last verified: 2026-07-22

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