Float Switch Detected — Drain pan full or blocked drain

What does Float Switch Detection mean?

This error means the float switch has detected that the condensate drain pan is full of water, likely due to a clog in the drain line. This mechanism prevents water overflow.

• Blocked condensate drain line.
• Full drain pan.

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power switch or circuit breaker.

2. 2

   Locate the condensate drain line (usually a PVC pipe leading outside). Check for any visible clogs or obstructions near the exit.

3. 3

   Carefully attempt to clear any blockages from the drain line. You might use a wet/dry vacuum to gently clear the line if you feel comfortable.

4. 4

   Wait for the drain pan to empty, then restore power. If the error returns, contact a technician.