Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Outer Case Removal
1. Undo the screw at the bottom of the case and lift the outer case panel from its securing tabs at the top of the case.
Control Box Cover Removal
2. Remove the control box cover depressing the 8 retaining catches to disengage the barbs on the control box from the cover.
Remove the cover.