P5 - 4 red flashes, 2 green flashes — High condensate level

What does P5 mean?

This fault means the unit has detected a high level of condensate water, usually due to a drain pump failure or a blockage in the drain line.

• Drain pump failure
• Blockage in the condensate drain line
• Drain sensor malfunction
• Excessive condensation

Click steps to track your progress.

1. 1

   Check the condensate drain line for any blockages and clear them.

2. 2

   Inspect the drain pump to ensure it is functioning correctly.

3. 3

   Verify the drain sensor is working properly.

4. 4

   Ensure the unit is installed with proper drainage slope.