TECO Air Conditioner Error PA
⚡ Quick Answer: The TECO Air Conditioner error code PA indicates an issue with the evaporator coil's high temperature protection system, which can cause the unit to s... ✅ DIY Fixable
What Does Error PA Mean?
The TECO Air Conditioner error code PA indicates an issue with the evaporator coil's high temperature protection system, which can cause the unit to shut down or fail to cool properly. This may be accompanied by unusual noises. Common causes include dirty outdoor unit coils, restricted airflow, or issues with the temperature sensor or wiring. Cleaning the outdoor unit and ensuring proper airflow can help resolve the issue.
Common Symptoms:
- Unit displays code PA and may shut down or fail to operate normally
- Operation may resume only after cooling down or cleaning
Possible Causes
- Evaporator coil high temperature protection triggered (medium)
- Outdoor unit condenser or coils dirty / restricted airflow (medium)
- Temperature sensor or wiring abnormality (low)
How to Fix Error PA
DIY Fix Basic checks for PA error
- Turn off the unit and disconnect power.
- Clean outdoor unit coils and fins to ensure good airflow.
- Ensure that nothing is blocking airflow around indoor and outdoor units.
- Check if unit resumes normal operation after cooling off.
- If comfortable, visually inspect for obvious sensor wiring damage.
- Refer to TECO user manual for additional guidance.
Technician Only Technician diagnosis and service for PA protection
- Measure temperatures and check operation of evaporator and condenser coils.
- Verify correct function of temperature sensors and associated wiring.
- Check refrigerant charge and airflow performance (blower and fan motors).
- Inspect control board for logged faults and perform further diagnostic per service manual.
- Replace any faulty sensors or components as identified.
Parts needed: Temperature sensors, Fan motors, Refrigerant components (if necessary), Control board (diagnostic if needed)
- If error persists after cleaning and basic checks
- If unusual noises, smells, or additional error codes appear
- If user is uncomfortable performing basic checks
Next step
Choose the next step for PA
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
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.
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.
HVAC Control Board
Controls fan, compressor, sensor, and communication functions in the HVAC unit.
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
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does PA error mean on TECO Air Conditioner?
The PA error indicates a high temperature protection issue with the evaporator coil, causing the unit to shut down or cool improperly.
Can I fix TECO Air Conditioner PA error myself?
Yes, you can perform basic checks like cleaning the outdoor unit coils and ensuring proper airflow.
How much does it cost to fix PA error?
Repair costs for the PA error typically range from $80 to $300, depending on whether it's a sensor or fan-related issue.
When should I call a technician for PA?
Call a technician if the error persists after cleaning, if you hear unusual noises, or if you're uncomfortable performing checks.
Sources & References
Data last verified: 2026-07-31
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