Isolate Mains Power to appliance as per TOPs P4
G.C. Number 41 047 52
Removal of controls cover.
Slide the controls cover forward and off.
Remove boiler front cover.
Remove the two nuts at the bottom of the front case (one wing nut the other hexagonal).
Pull bottom of the cover forward, clear of the studs, and lower to clear the lip at the top of the cover.
Place front cover safely away from work area.