Why Is My Roomba Not Charging on the Home Base?

Problem Description

Your Roomba docks on the Home Base but does not charge. The battery indicator may not light up or shows depleted even after sitting on the dock overnight. The Roomba may make a tone when docking but fails to actually charge. This prevents scheduled cleanings and leaves you with a dead robot.

Why This Happens in Real Homes

A Roomba that docks but won't charge is almost always a contact or power problem — the two copper charging contacts on the robot's underside aren't making a clean connection with the dock's pads, or the dock isn't actually powered. Grime on those contacts is the number-one cause.

Wipe the charging contacts on both the robot and the Home Base with a dry cloth, confirm the dock is plugged into a live outlet that isn't on a wall switch, and set the robot squarely on the dock so the contacts meet. A reset followed by a full 3-hour charge rules out a software glitch. If a clean, well-powered dock still won't charge, suspect the power adapter or an aging battery.

Symptoms

• Docks but won't charge
• No charging indicator
• Battery stays low
• Robot dies on the dock
• Charge light doesn't come on
• Charges intermittently
• Cold to the touch on the dock
• Won't power up the next day

Recognize these? Here's what usually causes it.

Common Causes

• Dirty charging contacts (robot or dock)
• Dock unplugged or on a switched outlet
• Robot not aligned on the contacts
• Power supply/adapter fault
• Battery pull-tabs still installed
• Failing battery
• Dock on carpet, sitting unevenly
• Loose power connector at the dock

Tools & Requirements

Step-by-Step Solution

1

Clean Charging Contacts

The Roomba has two metal charging contacts on the bottom front. The Home Base has matching contacts. Use a dry microfiber cloth or melamine foam to clean all four contacts. Dirt, dust, and oxidation build up over time and prevent electrical connection. Clean contacts until shiny. Do not use water or chemicals.

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2

Verify Home Base Power

Check that the Home Base power indicator is illuminated. Unplug the base, wait 10 seconds, replug firmly. Try a different outlet. The base draws very little power so it may not trip a breaker but a faulty outlet or adapter can still fail. If no indicator light the base or adapter may be defective.

3

Reseat Roomba on Dock

Lift the Roomba completely off the dock. Place it back on, pushing it gently forward until it stops. You should hear a tone and see the battery indicator illuminate. If the Roomba is crooked or not pushed far enough forward the contacts will not align properly. Make sure the dock is against a wall so the Roomba cannot push it backward.

4

Check for Debris Interference

Hair, string, and debris can wrap around the front caster wheel and lift the Roomba just enough to prevent contact with charging plates. Flip the Roomba over and clean the front caster wheel housing completely. Also check that nothing is stuck to the charging contacts themselves.

5

Test Battery Health

Roomba batteries last 2-3 years with normal use. If your Roomba is older and runtime has decreased significantly the battery may need replacement. In the iRobot Home app check Battery Health under Robot Settings. If it shows Poor or needs replacement order an official iRobot battery. Third party batteries often cause charging issues.

Quick Solutions

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

Need More Help? iRobot Support

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

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