Roborock Dock Station Leaking Water on Floor

Problem Description

Your Roborock docking station with auto-mop washing and filling capabilities is leaking water onto the floor. You may find puddles around the dock, the dirty water tank overflowing, or water dripping from the clean water tank area. This can damage your flooring and indicates a problem with the dock's water management.

Why This Happens in Real Homes

The most common cause is a full dirty water tank — the dock has nowhere to send the used water, so it backs up and leaks onto the floor. Second most common is clogged drain channels in the base plate, especially if the robot picks up a lot of hair. Users who empty the dirty tank daily and clean the base plate weekly almost never have leaking issues. Aftermarket mop pads also cause problems because they absorb differently than OEM pads.

Symptoms

• Puddles of water around the dock
• Dirty water tank overflowing though not full
• Water dripping from under the dock
• Clean water tank empties too quickly
• Water stains/damage on nearby flooring
• Water-related error messages in the app
• Wet dock base after cycles
• Leak worsens over repeated washes

Recognize these? Here's what usually causes it.

Common Causes

• Dirty water tank full and overflowing
• Tank seals or gaskets damaged or dirty
• Water inlet/outlet hoses kinked or clogged
• Mop washing tray not seated correctly
• Dock not level, causing water to spill
• Cracked water tank or dock component
• Tank not fully seated, so it drips
• Overfilled clean water tank

Tools & Requirements

Step-by-Step Solution

1

Check the clean water tank seal and seating

Remove the clean water tank from the dock. Look at the rubber seal around the bottom connection point — if it is cracked, warped, or has debris stuck to it, water will leak when the dock tries to fill the mop. Clean the seal with a damp cloth, make sure it is fully seated in its groove, and reinsert the tank firmly until it clicks. A loose or misaligned tank is the most common cause of dock leaks.

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2

Inspect the dirty water tank for overflow

Pull out the dirty water tank and check the water level. If it is full or near-full, the dock has nowhere to pump used water and it backs up onto the base plate. Empty the dirty water tank after every 2-3 cleaning cycles. Also check the float valve inside the dirty water tank — if the small white float is stuck or missing, the dock cannot detect that the tank is full and will keep pumping.

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3

Clean the dock base plate and drain channels

Lift the dock cover and look at the base plate where the robot parks. There are small drain channels and holes that route water from the mop washing area into the dirty water tank. If these are clogged with hair, lint, or dried cleaning solution, water pools on the base plate and leaks out the front or sides. Use a small brush or toothpick to clear the drain holes, then wipe the base plate clean.

4

Check mop pads for over-saturation

If the mop pads are too thick, aftermarket, or improperly attached, the dock may dispense too much water trying to clean them, or the pads may not wring properly. Use only Roborock original mop pads. Make sure they are firmly attached to the mop plate — a loose pad catches extra water and drips it across the base plate.

5

Reduce water flow in the app settings

Open the Roborock app, go to the dock settings, and reduce the mop washing water level. If it is set to High or Max, the dock uses more water per wash cycle, which increases the chance of overflow and splashing. Set it to Medium and test for a few cycles. Also check if Back-Wash Frequency is set too high — more washes means more water throughput.

6

Level the dock on the floor

If the dock is not sitting flat, water pools on one side instead of draining evenly into the dirty water tank. Place a level on the dock or look at standing water on the base plate — if it all collects on one side, the dock is tilted. Move it to a level surface or shim the low side. Avoid placing the dock on carpet or uneven tile.

7

Check for internal pump or hose leak

If nothing above worked fixes work, the internal water pump or connecting hoses may have a crack or loose connection. Unplug the dock, remove both tanks, and tilt it gently to see if water drips from inside the dock body. If you see water inside the housing, contact Roborock support for warranty service — do not try to open the dock yourself as it voids the warranty.

Quick Solutions

Still having issues? This is usually the deeper cause below.

Need More Help? Roborock Support

Note: The contact information below connects you directly to Roborock's official customer support team, not Trunetto. They can help with warranty claims, device replacements, and advanced technical issues.

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