Why won't my Dolphin Liberty finish its cycle with a red LED on the power unit?

For Liberty 200 & 300 units made in 2024 or later, the cleaning cycle lasts 120 minutes. Units made before 2024 have a 90-minute cycle.

Work through these checks in order.

1. Step 1Clean the filters

   Clear debris from the filter cartridges. Follow the filter-cleaning video below.

2. Step 2Inspect the tracks and brushes

   With the robot unplugged, turn it upside down. Look for debris caught in the tracks, and check both the tracks and brushes for obstructions or visible damage. The video below shows how to clean the tracks.

3. Step 3: Inspect the impeller\n Follow this guide: Check the impeller.

4. Step 4Fully charge the robot

   Let the robot complete a full charging cycle. Wait until the power unit displays 3 steady LEDs.

5. Step 5Check Eco Mode

   For Liberty 300/400/600, make sure Eco Mode is off. To cancel it, remove the robot from the pool and connect it to the charger.