Breville Dual Boiler BES920 User manual

DESCALE (dESc)
Use this function to access descale procedures
as displayed on the LCD. Please ensure you allow
approximately 1 hour to complete the entire
descale process and follow the step by step
instructions promptly.
1 – Prepare for Descale
a) Empty the drip tray and insert into position.
b) Turn the machine off and allow to cool for at
least 1 hour. With the machine off, press and
hold the 1 CUP button, then press and hold
the POWER button together for 3 seconds.
c) Press the MENU button to enter Descale
mode. The LCD will display ‘PUSH’.
Power button and MANUAL button LEDs will
be on. Do not push the MANUAL button at
this stage.
2 – Empty Boilers
a) Remove the grey silicone cover on the lower
front panel marked DESCALE ACCESS.
Place a cloth over the drip tray to stop steam
escaping.
REMOVE
b) Use a flat-head screwdriver to rotate the right
screw counter-clockwise until the valve is
fully open. As the valve opens, steam may
be released. When the water is completely
empty, close the valve by rotating screws
clock-wise until seated. Do not overtighten
screws to avoid damages to the valves.
c) Next, repeat the above process on the left
screw. As the valve is opened, water may
begin flowing into the drip tray. When the
water is completely empty, close the valve
by rotating screws clock-wise until seated.
Do not overtighten screws to avoid damages
to the valves.
d) Empty the drip tray. Use caution as the drip
tray may be hot due to the water and steam
released from the boilers.
e) Empty water tank, remove water filter.
Descaling your Dual Boiler™Espresso Machine
Applicable to PDC code 1337 to current

f) Place descale solution into water tank, fill
with cold water to MAX line, (if an alternative
cleaning solution is used, please follow the
manufacturer’s instructions accordingly).
Lock water tank back into position at the back
of the machine.
NOTE
If water tank has not been removed,
replaced or is empty, water tank LED will
flash 5 times, the machine will beep 3 times
and 'FILL TANK' will be displayed on the
LCD.
3 – Begin Descale
Press MANUAL button to proceed.
Machine will fill boilers with descale solution and
heat to temperature. During this time, water may flow
through the group head. Wait for countdown timer
to reach 0. This allows solution to dissolve scale
build-up.
4 – Empty Descale Solution
a) Empty water tank then rinse and fill with clean
water to the MAX line. Replace and lock water
tank back into position at the back of the
machine.
b) Place a cloth over the drip tray to stop steam
escaping.
c) Repeat steps ‘2b’ - ‘d’
d) Press MANUAL button to proceed.
5 – Fill Boilers
During this procedure, the LCD will display below.
The 5 minute timer will begin. During this time,
water may flow through the group head. Wait
for countdown timer to reach 0. This allows any
remaining solution to be removed from system.
6 – Flush Boilers
a) Empty and rinse water tank. Assemble new
water filter into tank.
b) Fill water tank with cold water to MAX line.
Replace and lock water tank back into position
at the back of the machine.
c) Ensure drip tray is empty and fully inserted into
position.
d) Place a cloth over the drip tray to stop steam
escaping.
e) Repeat steps ‘2b’ - ‘d’
f) Press MANUAL button to complete descale
procedure. Machine will heat up and is ready
to use once operating temperature (STANDBY
mode) is reached.
If the following message appears any time
during the descale process, follow the steps
below to proceed.
• Press the POWER button to exit the
Descale function.
• Rotate the Hot Water Dial and let hot water
run for 10 seconds.
• Press the POWER button to turn the
machine off.
• Follow the Descale procedures again
starting from “1 – Prepare for Descale.”
A15