White-Westinghouse Air Conditioner Error EC
⚡ Quick Answer: The EC error code on your White Westinghouse Air Conditioner indicates a communication failure between the control board and the compressor, often lea... ✅ DIY Fixable
What Does Error EC Mean?
The EC error code on your White Westinghouse Air Conditioner indicates a communication failure between the control board and the compressor, often leading to the unit not cooling or heating properly. This issue may stem from refrigerant system problems, such as leaks or abnormal refrigerant levels. To protect the compressor, the unit may shut down temporarily when this error occurs.
Common Symptoms:
- Unit stops cooling or heating and displays EC code
- Compressor protection activates
- Unit may shut down to protect compressor
Possible Causes
- Refrigerant leak or abnormal refrigerant level (medium)
How to Fix Error EC
DIY Fix Basic checks before calling service
- Turn off and unplug the air conditioner to reset control electronics.
- Clean or replace air filters if dirty.
- Ensure indoor and outdoor units are free of heavy dust and obstructions.
Technician Only Diagnose refrigerant and system integrity
- Connect HVAC gauges to check refrigerant pressure and compare to manufacturer specs.
- Inspect for signs of refrigerant leaks in lines, coils, and connections.
- Verify control board and sensor readings are functioning correctly.
Parts needed: Refrigerant charging equipment, Leak detection tools, AC sensors/pressure switches
- If the EC error persists after basic filter cleaning and power reset
- If there is visible refrigerant oil residue (possible leak)
- If the unit fails to cool and shows EC immediately on restart
Next step
Choose the next step for EC
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Compressor
Compresses refrigerant within the sealed cooling system and requires specialized service equipment.
- Typical part-only price
- $180 - $600
- DIY difficulty
- Hard
- Estimated time
- 120-240 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.
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-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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
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.
Air Conditioner Fin Cleaner
For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.
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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | 1500W |
|---|---|
| component | Control Board |
| resistance | 5-10 ohms |
| part_number | WB27X10017 |
| voltage_rating | 120V AC |
Common Questions
What does EC error mean on White Westinghouse Air Conditioner?
The EC error indicates a communication failure affecting cooling, often linked to refrigerant issues.
Can I fix White Westinghouse Air Conditioner EC error myself?
Yes, you can try basic actions like resetting the unit and cleaning filters before seeking professional help.
How much does it cost to fix EC error?
Repair costs for the EC error range from ¥10,000 to ¥50,000+, depending on the extent of refrigerant repairs.
When should I call a technician for EC?
Call a technician if the error persists after basic troubleshooting or if you notice refrigerant oil residue.
Sources & References
- Error Code: EC - Refrigerant Leak Detected (community)
- How To Fix an EC Error Code on a Mini Split (community)
Data last verified: 2026-07-26
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