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A pale, thin espresso in a white cup under the spouts of a coffee machine.

What the machine is telling you

Common problems
guides.

What a coffee machine means when the cup stays empty or runs thin and lukewarm, the grinder spins without beans, the milk will not foam, or the display keeps asking for something you already did.

(844) 551-4777

Mon–Sat, 8am–8pm

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

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Common problems,
guide by guide.

This section starts from the cup. The coffee has turned thin, the spouts give nothing but a hum, or the cappuccino arrives with warm milk and no foam. Each guide takes one of those results and works back through the machine, from the causes an owner can settle in a few minutes to the ones that need a technician.

All 18 guides
A stainless built-in coffee machine set flush in a tall walnut kitchen cabinet, a clear glass under its twin spouts holding a pale, thin coffee with almost no crema, a small dish of plain dark beans on the shelf beside the coffee machine, soft daylight from the side, a dark display.
5-minute read

Why the coffee comes out weak: strength, grind, scale and a clogged brew unit

A pale, fast cup and a slow, thin one have different causes. How to read the stream and the crema, which settings to reset first, and when the grinder or brew unit needs a technician.

A countertop bean-to-cup coffee machine on a pale stone kitchen counter, an empty white cup under its spouts with a single drop hanging from one spout, the water tank at the side of the coffee machine half full, a few plain beans scattered on the counter, calm morning light, a dark display.
5-minute read

Why no coffee comes out: the tank, a choked grind and the spout connector

The grinder runs, the pump hums and the cup stays empty. Listen to which stage goes quiet, then check the water, the grind and the outlet before suspecting the brew unit.

A stainless built-in coffee machine in a tall kitchen cabinet with its milk tube dipped into a small steel milk jug on the cabinet shelf, a glass cup under the spouts holding coffee with only a flat layer of warm milk and no foam, the coffee machine front clean and unlit, soft side light.
4-minute read

Why the milk will not froth: warm milk, air leaks and dried milk in the frother

Hot milk with no foam, or a frother that spits and hisses. Milk colder than 50°F, joints pushed fully home and a frother brushed clean solve most of it.

What the machine is telling you.

A fully automatic coffee machine hides a long chain behind its front: water from a tank or a house line, a pump, a heater, a grinder, a brew unit that presses and releases the coffee, and a milk system with tubes thinner than a pencil. A weak link anywhere in that chain shows up in the cup, so the guides read the cup first and the parts second.

They are written for every kind of home machine we repair: a built-in coffee system set into a tall cabinet, whether it fills from a tank or from a water line, a countertop bean-to-cup machine, and a manual espresso machine with a portafilter and a steam wand. Where the answer changes with the kind of machine, the guide says which.

Each guide ends where an owner's part ends. Settings, beans, the tank, the trays, a removable brew unit and the milk parts are yours; the housing, the wiring, the water connection behind a built-in and anything past a hot brew-unit door are not. When a guide sends you to book, it says what to note first.

Not sure where to start?

The short answerWhy the coffee comes out weak: strength, grind, scale and a clogged brew unit

A coffee machine making weak coffee is usually set to brew too little ground coffee for too much water, grinding too coarsely, or pulling from stale or oily beans.

The short answerWhy no coffee comes out: the tank, a choked grind and the spout connector

With no coffee coming out of the coffee machine, check the water first: a tank not clicked home, a stuck float, an unrinsed filter or, on a plumbed unit, a shutoff valve not fully open.

The short answerWhy the milk will not froth: warm milk, air leaks and dried milk in the frother

A coffee machine milk not frothing is most often dealing with milk that is too warm, a milk tube that draws air at a loose joint, or dried milk in the frother, the outlet or the air intake.

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
A white cup of pale, thin coffee with almost no crema sitting under the spouts of a brushed stainless countertop coffee machine, a small pile of coffee beans and an open bean hopper lid on the coffee machine. Problem

Coffee Machine Making Weak or Watery Coffee

6 causes, cheapest first

 Top-down view into the open bean hopper of a stainless countertop coffee machine full of glossy dark coffee beans clumped around a hollow above the burrs, a white cup under the spouts at the lower edge of the frame, the coffee machine on a gray stone counter. Problem

Coffee Machine Grinder Not Working or Grinding Unevenly

6 causes, cheapest first

 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

 Close view of the two chrome spouts of a stainless countertop coffee machine above an empty white cup, a single drop hanging from one spout, a scatter of coffee beans on the stone counter beside the coffee machine. Problem

No Coffee Coming Out of the Coffee Machine

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
common problems.

Which of these problems usually turn out to be settings?
Weak coffee most often, followed by milk that will not foam because it was not cold enough. A strength or cup-size setting and a carton left on the counter explain a large share of both.
Do these guides cover drip coffee makers?
Only in passing. The site is about machines that grind and brew on their own and about manual espresso machines; a filter coffee maker works differently and has few of the parts described here.
The problem started right after a descaling run. Where should I look?
At whether the program finished, at the frother, which can collect loosened scale, and at the tank and filter you refitted afterward. The individual guides describe each check.
Why do the guides keep mentioning the brew unit?
It is the part that meets the coffee on every cup, and coffee oil builds up on it. On many makes an owner can take it out and rinse it; on others it is fixed and relies on the cleaning cycle.

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

Troubleshooting

A jug catching descaling rinse water from the spouts of a countertop coffee machine.
Habits that keep it pouring for years

Maintenance and prevention

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.

Three short steps online, or one call. Tell us what you are seeing and pick a window that works.

Schedule a repair Call (844) 551-4777
(844) 551-4777 Schedule a repair