it's not emptying the dustbin into the clean station, just docks and beeps then says check dustbin.

Diagnosis

The failure of the Samsung Bespoke Jet Bot Combo AI to empty its bin usually stems from a breach in the pneumatic seal between the robot's internal dustbin and the Clean Station's suction intake. When the robot docks and beeps with the "Check Dustbin" error, the system has detected that the expected airflow (measured in kPa) was not achieved during the vacuum cycle, triggering a safety timeout to prevent the motor from overheating. This is most commonly caused by a "bridge" of debris—such as a clump of pet hair or a piece of cardboard—lodged in the robot's exit port or the Clean Station's intake throat. Alternatively, if the Clean Station dustbag is saturated or improperly seated, the backpressure prevents the vacuum from pulling debris out of the robot, leading the sensors to believe the bin is still full or the path is obstructed. You can confirm this by listening for a high-pitched whistling sound during the docking process, which indicates a partial leak, or a muffled, strained motor sound, which indicates a total blockage.

How to Fix It

Follow these precise steps to restore the auto-empty functionality:

1. Inspect the Robot's Exit Port: Power off the robot. Remove the dustbin from the chassis. Look at the rear of the bin where the rubber flap is located. Use a flashlight to check for any stuck debris (like a pebble or hair clump) wedged in the seal. Manually push the rubber flap open and closed five times to ensure it snaps back instantly.
2. Clear the Intake Throat: Inspect the base of the Clean Station where the robot docks. Look into the suction hole. If you see a clump of debris blocking the opening, use a pair of long-nose pliers or a vacuum hose to remove it. Ensure there is no plastic wrap or cardboard blocking the entry point.
3. Reset the Dustbag Seal: Open the Clean Station lid. Remove the dustbag entirely. Check the cardboard collar of the bag; if it is bent or torn, the seal will fail. Reinsert the bag, ensuring the cardboard flange is pushed firmly and flush against the plastic housing. Slide the bag's plastic clip into the locked position.
4. Clean the Bin Sensors: Use a dry microfiber cloth to wipe the contact points on the robot's dustbin and the corresponding sensors on the Clean Station to ensure the "Docked" signal is transmitting clearly.
5. Test Cycle: Place the robot back on the dock and manually trigger an empty cycle via the SmartThings app to verify the fix.

If That Didn't Work

• Check for Filter Saturation: If the HEPA filter inside the robot's dustbin is completely clogged with fine dust, air cannot flow through the bin, making it impossible for the Clean Station to suck out the debris. Remove the filter, tap it firmly against a hard surface, or replace it if it has turned dark grey.
• Inspect the Station Motor Vent: Check the rear and sides of the Clean Station for dust buildup on the exhaust vents. If the motor cannot breathe, it cannot create the necessary vacuum pressure to empty the bin. Use a handheld vacuum to clear the external grilles.
• Verify Bag Capacity: Even if the bag doesn't feel "heavy," micro-dust can clog the pores of the bag fabric, creating an air barrier. Replace the bag with a brand new genuine Samsung part to rule out fabric saturation.
• Perform a Hard Reset: Power the robot off using the physical switch on the side. Unplug the Clean Station from the wall for 60 seconds. Plug it back in and restart the robot to clear any cached sensor errors.

Heads Up

• Avoid Wet Debris: Never allow the robot to suck up liquids or damp materials. If wet debris enters the bin, it creates a "mud" that glues the dustbin flap shut, permanently damaging the auto-empty seal.
• Bag Replacement Timing: Do not wait for the "Replace Bag" notification. If you have high-shedding pets, replace the bag every 2 months regardless of the app status to maintain peak suction pressure.
• Avoid Third-Party Bags: Generic replacement bags often have thinner materials or slightly different collar dimensions, which can lead to air leaks and trigger the "Check Dustbin" error.
• Brush Roll Maintenance: Ensure the main brush roll is cleaned weekly. A clogged brush roll can cause the robot to push more debris into the bin than it was designed for, leading to more frequent "bridge" blockages in the exit port.