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

  1. Turn off the unit and disconnect power.
  2. Clean outdoor unit coils and fins to ensure good airflow.
  3. Ensure that nothing is blocking airflow around indoor and outdoor units.
  4. Check if unit resumes normal operation after cooling off.
  5. If comfortable, visually inspect for obvious sensor wiring damage.
  6. Refer to TECO user manual for additional guidance.

Technician Only Technician diagnosis and service for PA protection

  1. Measure temperatures and check operation of evaporator and condenser coils.
  2. Verify correct function of temperature sensors and associated wiring.
  3. Check refrigerant charge and airflow performance (blower and fan motors).
  4. Inspect control board for logged faults and perform further diagnostic per service manual.
  5. Replace any faulty sensors or components as identified.

Parts needed: Temperature sensors, Fan motors, Refrigerant components (if necessary), Control board (diagnostic if needed)

🛑 When to Call a Pro:
  • If error persists after cleaning and basic checks
  • If unusual noises, smells, or additional error codes appear
  • If user is uncomfortable performing basic checks

Technical Specifications

wattage 100W
component Fan Motor
resistance 5-15 ohms
part_number TECO FM-12345
voltage_rating 220V AC

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: 2026-07-01

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