Excessive Head Pressure - Dirty outdoor coil.

What does Dirty outdoor coil (cooling). mean?

The outdoor coil is dirty, preventing efficient heat rejection. This causes the refrigerant pressure and temperature to rise excessively, resulting in high head pressure.

• Accumulation of dirt, dust, pollen, or leaves on the coil fins.
• Lack of regular cleaning.

Click steps to track your progress.

1. 1

   Turn off power to the unit at the disconnect switch.

2. 2

   Inspect the outdoor coil for visible dirt and debris.

3. 3

   Gently spray the coil with water from a garden hose to wash away dirt.

4. 4

   Ensure no landscaping or objects are blocking airflow to the coil.

5. 5

   If the coil is heavily soiled, contact a professional for cleaning.