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A jug catching descaling rinse water from the spouts of a countertop coffee machine.

Habits that keep it pouring for years

Maintenance and prevention
guides.

The small routines that keep a coffee machine off our schedule, from descaling on time and changing the water filter to rinsing the brew unit, cleaning the milk system every day and emptying the grounds before they mold.

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Mon–Sat, 8am–8pm

  • Three guides
  • Read before you book
  • Says where to stop

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Maintenance and prevention,
guide by guide.

Most coffee machine visits we make could have been pushed back by years with a few minutes of care: a descale answered when the display asked, a brew unit rinsed on Sunday, a milk line cleaned before the foam faded. This section covers those routines one at a time, whether the machine is built in, stands on the counter or takes a portafilter.

All 18 guides
A countertop bean-to-cup coffee machine on a white quartz counter in a US home kitchen, its clear water tank lifted out and standing beside the coffee machine, a wide glass bowl set under the spouts on the drip tray and a plain white cup nearby, display showing only plain dots.
5-minute read

Descaling a Coffee Machine by Its Maker's Program, Tablets and Timing

How the machine decides a descale is due, what the Miele and JURA programs ask for, why vinegar and a stopped cycle do harm, and when a filter changes the schedule.

The removable brew unit of a coffee machine resting in a stainless kitchen sink under a gently running faucet in a US home, seen from above, a stainless built-in coffee machine visible in a tall cabinet behind the sink with its front door open and a plain white cup on the counter.
5-minute read

Cleaning the Brew Unit: A Weekly Rinse for the Removable Kind, Tablets for Every Kind

Telling a removable brew unit from a fixed one, rinsing it without soap, clearing the bay, running the degreasing program and the deposits no tablet will lift.

A countertop bean-to-cup coffee machine on a light stone counter in a US home kitchen, a small stainless milk container with its lid lifted off and its clear intake tube laid on a folded towel beside the coffee machine, a plain white cup with a thin layer of milk foam under the spouts, display dark.
5-minute read

Caring for the Milk System: Rinse After Each Cup, Brush Daily, Clean Weekly

The rinse after every milk drink, the flask, lid and valve by hand, the maker's cleaning program, the milk that belongs in it and keeping it cold between cups.

Habits that keep it pouring for years.

The steps come from the makers' own operating instructions, not from general advice. That matters more on this appliance than most: the makers ask for their own descaling tablets, cleaning tablets and milk cleaners, set their own mixing ratios and warn that a program stopped halfway can harm the machine. Where two makers do things differently, the guides show both and point you to your own manual.

Everything here is done from the front of the machine with it cool, using the doors, trays and menus the manual describes. None of it involves opening the housing, sliding a built-in out of its cabinet or putting a hand past the brew-unit door while it is still hot. Each guide says where its own limit sits, and past that line the work is ours.

Prevention also protects the cup. Coffee residue can grow mold in a warm, damp machine, and milk left in a line spoils, so the cleaning routines are as much about hygiene as about keeping the pump and heater healthy. The water, heat and hygiene section covers what to do when something has already gone wrong.

Not sure where to start?

The short answerDescaling a Coffee Machine by Its Maker's Program, Tablets and Timing

Descaling a coffee machine means running the maker's own program with the maker's descaler at the stated ratio, when the display asks.

The short answerCleaning the Brew Unit: A Weekly Rinse for the Removable Kind, Tablets for Every Kind

Cleaning the brew unit keeps coffee oils and packed grounds from stalling it or souring the cup.

The short answerCaring for the Milk System: Rinse After Each Cup, Brush Daily, Clean Weekly

To clean the milk system properly, let the machine rinse the milk path after every milk drink, wash the milk container and its lid daily, and run the maker's milk cleaning program with the maker's cleaner when prompted, about weekly on Miele's CVA 6405.

When reading
is not enough.

If the checks in these guides did not settle it, the visit picks up from there, stop by stop.

What repairs cost
  1. 01A test cup, step by step
  2. 02The price, then the part
  3. 03Common parts on the van
  4. 04Pouring before we leave

The problems
these answer.

Each has a page of its own, with the causes in the order worth checking.

All 17 problems
The front of a stainless built-in coffee machine in a tall kitchen cabinet with a single plain droplet symbol glowing on its dark display, a white cup under the spouts of the coffee machine, a small bowl of coffee beans and a clear glass of water on the shelf beside it. Problem

Coffee Machine Descale Message Will Not Go Away

6 causes, cheapest first

 A white espresso cup with no steam rising from it sitting under the spouts of a stainless built-in coffee machine set in a tall kitchen cabinet, a small dish of coffee beans on the shelf beside the coffee machine. Problem

Coffee From the Coffee Machine Not Hot Enough

6 causes, cheapest first

 A stainless countertop coffee machine on a wooden counter mid-brew, a thin stream of espresso running from its spouts into a white cup, two empty cups stacked on top of the coffee machine and a small pile of coffee beans beside it. Problem

Loud Pump or Buzzing Noise From the Coffee Machine

6 causes, cheapest first

 The side service door of a stainless built-in coffee machine standing open in a tall kitchen cabinet, the gray plastic brew unit visible inside set back in its bay, a white cup under the spouts of the coffee machine and a few coffee beans on the shelf. Problem

Coffee Machine Brew Unit Stuck or Will Not Come Out

6 causes, cheapest first
A family sharing morning coffee at a built-in coffee machine in a bright kitchen.
For the heart of your home.

Questions about
maintenance and prevention.

What is the most important coffee machine maintenance job?
Descaling on time with the maker's agent. Scale in the heater, valves and brew unit causes more lasting damage than any other kind of neglect, and it builds without any visible sign.
Can I use the same cleaning products on any coffee machine?
Use what your maker names. JURA and Miele both ask for their own tablets and cleaners and warn that other agents can damage the machine or leave residues.
How much time does weekly coffee machine care take?
About as long as a cleaning program runs plus a few minutes at the sink. Programs we have documented take roughly 11 to 40 minutes, and most run on their own once started.
Does a water filter replace descaling?
On some models, as long as the cartridge is changed when the machine asks. Others still ask for descaling with a filter fitted, so follow your own manual.

The other
sections.

Split by what you are trying to find out rather than by which part of the appliance it concerns.

All guides
A pale, thin espresso in a white cup under the spouts of a coffee machine.
What the machine is telling you

Common problems

A finger pressing a key on the touch panel of a coffee machine, the display dark.
Checks you can make from the front

Troubleshooting

A drip tray of a coffee machine pulled out and emptied into a kitchen sink.
Keeping people, the cabinet and the cup safe

Water, heat and hygiene

A built-in coffee machine in a tall cabinet and a countertop coffee machine in one kitchen.
Which machine, and fix or replace

Choosing and comparing

A small water line and shutoff valve inside the empty cabinet space for a built-in coffee machine.
Water, cabinet, power and filter

Installation and setup

Not sure which section?

Start from your question

The four questions most visits start with, each with the guide that answers it.

18 guidesWhere to start Where to start

Back to your everyday

Let’s get your coffee machine working again.

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Schedule a repair Call (844) 551-4777
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