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Maintenance guides/De’Longhi Rivelia
De’Longhi Rivelia EXAM440.55 in Arctic White with LatteCrema carafeEXAM440.55
Exact-model care plan · checked 26 July 2026

De’Longhi Rivelia maintenance guide

A practical care plan for the EXAM440.55: what to clean after use, what to inspect each week and which deeper jobs should wait for the machine or manual to prompt you.

01After every useClear milk and wet coffee
02End of dayEmpty, wash and air-dry
03Every weekDeep-clean brew path; brush dry grounds
04When promptedClean, filter or descale
Before you start

This is an independent desk-researched routine, not a replacement for the EXAM440.55 manual. Switch off, unplug and cool the machine before removing parts. Never immerse it, force a brew unit, open electrical panels or use a chemical the manufacturer has not approved.

01After every drink

Remove the residue while it is still easy.

Milk proteins and wet coffee become harder to remove as they dry. This is the highest-value part of the routine.

  1. 1

    Let the machine finish its automatic rinse; do not interrupt a prompted cycle.

  2. 2

    Run the milk-system rinse or clean function immediately after a milk drink.

  3. 3

    Empty wet pucks and tray water when prompted, then refit the clean parts correctly.

02End of the day

Do not store yesterday’s water and coffee mess.

Standing tray water, pucks and milk residue cause odour and can block small passages.

  1. 1

    Empty and wash the drip tray and waste container; do not let wet coffee sit overnight.

  2. 2

    Disassemble the removable milk-carafe parts and clean every path named in the manual.

  3. 3

    Wipe the body with a soft damp cloth, keeping water away from vents, controls and electrical parts.

03Every week

Reach the parts the quick rinse misses.

Use the week as an inspection point. The manual decides which parts can be removed, soaked or lubricated.

  1. 1

    After a normal shutdown, inspect the removable infuser and rinse it with water at the manual’s stated interval; never force it.

  2. 2

    Brush loose, dry grounds from the hopper outlet and dosing area while the machine is switched off; keep the burr chamber dry.

  3. 3

    Check seals, tubes and trays for damage, odour or persistent leaks before the next use.

04When prompted

Let usage and water hardness trigger chemical cleaning.

Filters, coffee oils and limescale are different maintenance jobs. Run the programme designed for the job shown.

  1. 1

    Set the correct water hardness and replace only a compatible filter when the machine or manual says it is due.

  2. 2

    Run the exact cleaning programme with the specified tablet or cleaner; a coffee-oil clean is not a descale.

  3. 3

    Descale only with the approved product and exact-model sequence, completing every rinse stage before brewing again.

Model-specific cautions

What changes for the Rivelia.

  • Run the carafe clean function after milk drinks and dismantle its removable milk parts for the deeper wash described in the manual.
  • Remove the infuser only after the machine completes its normal shutdown; rinse with water and do not force it.
Care kit

Keep the right tools together.

The safest kit is small. Check every chemical and filter against the exact model before ordering.

  • Two clean microfibre cloths: one for milk, one for the body
  • A soft brush reserved for dry coffee grounds
  • The exact machine’s approved cleaning tablets or powder
  • Manufacturer-approved descaler and a large rinse container
  • The approved milk-system cleaner if the manual requires it
  • A compatible water filter, if this model uses one
Exact product source

De’Longhi EXAM440.55

Used to match this guide to the indexed model and its hardware.

Open exact-model source ↗
Official care source

De’Longhi UK coffee-machine care guide

Use this official support route for the current programme, parts and chemical instructions.

Open manufacturer care source ↗
Editorial method

Desk research, kept explicit

General ownership logic is adapted to the indexed type, grinder and milk system. The exact manual always wins.

Read the sourcing policy →
Stop and arrange service

Do not keep using the machine if you see water near electrical parts, smell burning, find a damaged cable, hear abnormal grinding or pressure noise, or cannot clear a persistent error with the official troubleshooting steps.

Next useful step

Keep the care plan with the buying evidence.

Return to the machine record for dimensions, workflow, checked UK prices and the desk-researched verdict—or choose another exact-model maintenance guide.

Open Rivelia record →All maintenance guides