Error 757, Roomba® Plus 400, Plus 500, Plus 600, Max 700, and Max 800 Series

There has been a communication failure between the dock and the robot. Please follow these troubleshooting steps to clear the error.

1. Reboot the robot through the app, or by holding down the power button on the robot for 10 seconds while it is off the dock. Hold the button again for 3 seconds to turn it back on. Doing so should clear the error from the robot's memory.
   
   

2. Reboot the dock by unplugging it and plugging it back in again.
   
   

3. Ensure the robot is docked properly.
   
   

   
   
   
   
    
   
   

4. Try washing the pad again.

If the error persists after troubleshooting, please contact iRobot Customer Care for support.

For expedited service, please have the following ready: 

• Your robot charged and with you 
• Your robot's Serial number
• For warranty claims: Proof of purchase (receipt or invoice for purchase from an authorized retailer)