ShotPulled › Gear › Descale
Descale both boilers: Sage Dual Boiler
Before you start
- Market
- Breville US
- Time
- About 90 minutes
- Tools
- flat-head screwdriver, cloth to cover the drip tray
- Supplies
- descale solution (dose not stated; tank topped up with cold water to MAX. Follow the maker's instructions for any alternative solution)
Warnings
- Hot steam can escape while descaling; switch off, cool for at least 1 hour and empty the drip tray first. Source: Breville the Dual Boiler BES920 instruction book (US/CA)
- Do not overtighten the valve screws; they can be damaged. Source: Breville the Dual Boiler BES920 instruction book (US/CA)
The machine tells you when
This machine keeps count itself and tells you when this job is due, so follow the machine rather than a calendar.
- What you see
- Descale alert on the LCD
- Shown as
- A message on the display
Source: Breville the Dual Boiler BES920 instruction book (US/CA)
Steps
- Allow about 1.5 hours for the whole descale.
From the manual: “Please ensure you allow approximately 1.5 hour to complete the entire descale process”
- Empty the drip tray and slide it back in.
From the manual: “Prepare for Descale a) Empty the drip tray and insert into position.”
- Switch the machine off and let it cool for at least 1 hour.
From the manual: “Turn the machine off and allow to cool for at least 1 hour.”
- With it off, hold 1 CUP, then also hold POWER, for 3 seconds until the reset code shows.
From the manual: “With the machine off, press and hold the 1 CUP button, then press and hold the POWER button together for 3 seconds.”
- Use UP or DOWN to reach dESC, then press MENU to enter Descale mode.
From the manual: “Press the MENU button to enter Descale mode.”
- Pull off the grey silicone cover marked DESCALE ACCESS and lay a cloth over the drip tray.
From the manual: “lower front panel marked DESCALE ACCESS. Place a cloth over the drip tray to stop steam escaping.”
- With a flat-head screwdriver, turn the right screw anticlockwise until the valve is fully open; steam may escape.
From the manual: “Use a flat-head screwdriver to rotate the right screw counter-clockwise until the valve is fully open.”
- If no water comes out into the drip tray, hold 1 CUP for 3 seconds to release it. Optional
From the manual: “If there's no water released into the drip tray, press and hold the 1 CUP button for 3 seconds.”
- Once the boiler is empty, close the valve clockwise until it seals, without overtightening.
From the manual: “When the water is completely empty, close the valve by rotating screws clock-wise until sealed.”
- Drain the second boiler the same way through the left screw.
From the manual: “Next, repeat the above process on the left screw.”
- Empty the drip tray, carefully, as it may be hot.
From the manual: “Empty the drip tray. Use caution as the drip tray may be hot.”
- Empty the water tank and take the water filter out.
From the manual: “Empty water tank, remove water filter.”
- Put the descale solution in the tank, top up with cold water to MAX and lock the tank in.
From the manual: “Place descale solution into water tank, fill with cold water to MAX line”
- Press MANUAL; the boilers fill with solution and heat. Wait for the countdown to reach 0.
From the manual: “Machine will fill boilers with descale solution and heat to temperature.”
- Press MANUAL to start the flush; the boilers fill with fresh water over a 20-minute countdown.
From the manual: “Press MANUAL button to proceed. During this procedure, the LCD will show countdown time (20 minutes).”
- Cover the drip tray with a cloth again.
From the manual: “Place a cloth over the drip tray to stop steam escaping.”
- Drain both boilers through the right and left screws as before.
From the manual: “Empty boilers by repeating steps 2b and 2c.”
- Empty the drip tray and put it back.
From the manual: “Empty drip tray and insert back to place.”
- Empty the tank, rinse it, fill it with clean water to MAX and lock it in.
From the manual: “Empty water tank then rinse and fill with clean water to the MAX line.”
- Run the whole flush a second time to clear any remaining solution.
From the manual: “We recommend flushing boilers again to ensure any residual descale solution is released from the boilers.”
- Press POWER to leave Descale mode.
From the manual: “Press POWER button to escape the Descale mode.”
Sources
Researched on .
Published: the sentence is on the maker’s own page or in the maker’s own document.