P8 - Outdoor unit malfunction

What does P8 mean?

This code indicates a general malfunction originating from the outdoor unit, suggesting a broader issue that requires further diagnosis.

• Electrical fault in the outdoor unit.
• Mechanical failure of a component in the outdoor unit.
• Communication error with the indoor unit.
• Refrigerant system issue (e.g., leak, blockage).

Click steps to track your progress.

1. 1

   Turn off the main power supply to the entire AC system at the circuit breaker, wait 5 minutes, then restore power.

2. 2

   Check the outdoor unit for any visible signs of damage, unusual noises, or obstructions.

3. 3

   If the error persists, contact a qualified HVAC technician for a comprehensive diagnosis of the outdoor unit.

4. 4

   The technician will need to check power supply, component functionality, and refrigerant levels.