The Quickest Way to Get Back to Life with a Roomba, Without Buying a New One or Expensive Repairs Revive your Roomba that stopped working due to a circuit board or sensor failure. Replace the necessary parts and it's ready to go. This is just the circuit board base unit. The following parts are required for use: ・Front wheel ・Left and right tire modules ・Edge brush module ・Main brush module ・Brushes ・Dustbin (for 870/871/875/876/878/880/885) ・Battery ・Home base