INFORMATION CASE REMOVAL
None
locate and unscrew the 2 screws from the underside of the boiler that secure the outer casing, lift the casing upward to disengage it from the top locating hooks.
Unscrew the 4 screws securing the front combustion cover & remove.
Unscrew the 1 screw securing the PCB & lower down, if required release 2 clips & remove cover for access to the PCB.
Clips
Screw
ErP Pump
If you are working on a newer appliance it will be fitted with an ErP pump. If needed model will ask you which version you are working on, otherwise this will not affect diagnostics.
If pump is on the right hand side you are working on the "DIN" version which is not covered by this model.