Breville Oracle Instruction Book page 36

4. Flush Boilers
a) Press 1 Cup button and the LCD screen
will show countdown time (20 minutes).
During this time, the machine will fill boilers
with fresh clean water and heat to temperature.
You can proceed to the next step at any time by
pressing the 1 Cup button.
b) Place a cloth over the drip tray to stop
steam escaping.
c) Empty boilers by repeating steps
2c and 2d.
d) Empty drip tray and insert back to place.
e) Empty water tank then rinse and fill with
clean water to the MAX line. Lock water
tank back into position.
5. Repeat Step 4 Flush Boilers
We recommend flushing boilers again to
ensure any residual descale solution is released
from the boilers.
Press POWER button to escape the Descale
mode. The descale process is now complete
and ready to use.
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