HOW TO ACCESS THE PARAMETER SERVICE CODE

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1. Press the + and - hot water temp buttons simultaneously for 5 seconds '222' will appear on the display.

2. Press the + hot water temp button until '234' is selected, this is the service code which allows access to view and modify the appliance parameter settings.

CLICK HERE ONCE THE SERVICE CODE AND MENU 0 HAVE BEEN ENTERED

3. Press the + 'OK' central heating temp button, the display shows the first quick setting 'GAS'

4. Press the + hot water temp button until the display shows 'MENU' Press the + 'OK' central heating temp button, menu 0 will now flash on the display.