Compressor and Outdoor Fan Will Not Start - High pressure safety tripped.

What does High pressure switch tripped. mean?

The system's high-pressure safety switch has activated due to excessive pressure in the refrigerant lines, stopping the compressor and fan to prevent damage.

• Blocked or dirty outdoor coil.
• Refrigerant overcharge.
• High ambient temperatures.
• Malfunctioning fan.

Click steps to track your progress.

1. 1

   Ensure the outdoor coil is clean and free of debris.

2. 2

   Check that the outdoor fan is operating correctly.

3. 3

   Verify thermostat settings are appropriate for the outdoor conditions.

4. 4

   Contact a qualified technician to diagnose and address the cause of excessive head pressure.