iRobot Roomba 4160 troubleshooting

The Roomba isn't turning on ¶ 

After pressing the power button, the Roomba doesn't turn on.

The battery is too old and can't hold a charge ¶ 

If the battery doesn't charge fully, you should replace it. Here's a guide for replacing the battery.

The battery isn't properly connected ¶ 

If the battery isn't properly connected, disconnect then reconnect the battery. See the guide for replacing the battery.

The motherboard is defective ¶ 

If the Roomba isn't turning on, and you have already tried reconnecting the battery or replacing the battery, then the motherboard is most likely defective and needs to be replaced. Here's a guide for replacing the motherboard.

The main brush isn't rotating ¶ 

While the Roomba is operating, the main brush isn't turning.

The main brush is caught on another part inside the roomba or a piece of debris ¶ 

If the main brush is caught on another part or piece of debris, you should remove whatever part or debris the brush is caught on and replace the brush. Here's a guide for removing and replacing the brush.

The brush motor is defective and needs to be replaced ¶ 

If the main brush motor is defective, a symptom may be stalling under normal operating conditions, which causes the brush to stop turning. Here's a guide to replacing the main brush motor.

The Roomba is running in circles ¶ 

While turned on and moving, the Roomba is running in circles.

One or more of the wheels isn't turning ¶ 

If one or more of the wheels aren't turning, you should check to see if the wheel is caught on anything. Here's a guide for checking and dislodging the wheel.

The top buttons are unresponsive ¶ 

The buttons don't respond when pressed.

The buttons' connection isn't secure ¶ 

If the buttons aren't responding, you should first try to reconnect the buttons.

If the buttons still don't respond, you should replace the buttons. Here's a guide for reconnecting and replacing the buttons.

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