Lowering the Fascia Panel: Loosen the bottom 2 screws then gently pull the 2 screws down and carefully lever the panel down. Take care not to damage any electrical connections.
Case Removal: Remove the 2 screws below the combustion chamber, release the 2 catches at the top of the boiler and slide the case off forwards.
Mains Electrical Connections: Mains connections and fuse can be accessed by removing the two screws at the rear of the control board panel.
PCB Connections: PCB connections can be accessed by removing the two screws at the front of the control board panel.