Understand alerts and indicators
The K-Slim has no error codes. ADD WATER, DESCALE, the blinking sizes and the brew button each have a plain meaning in Keurig's guide, and a fix.
The J10's twin-spout design introduces a failure mode Jura's other current models don't have — one side brewing while the other doesn't. Here's how to read every J10 alert and fix the twin-spout ones.
A Vertuo Pop+ with its connectivity switched off looks broken. The manual's toggle: unplug 10 s, lever unlocked, hold the button while plugging in. White = on.
Dinamica Plus screen lit but not responding? It's usually busy, in standby or waiting on a message. What De'Longhi's ECAM37X.95 manual says, and the safe restart.
Gaggia automatic machine LEDs won't stop blinking? Every icon and blink pattern decoded for Anima, Brera, Cadorna and Velasca — with step-by-step fixes.
Krups CALC or CLEAN light on, a light flashing, or "Error code XX" on the display? What each Krups warning means and the fix, from the EA81, EA82 and EA84 manuals.
Error 124 'Coffee Main' on a Gemini, Aguila, Zenius or Momento? Step-by-step fixes for every Nespresso Professional machine that shows it.
Jura Z10 showing a message it won't clear, or Error 2 or 5? What every Z10 display message means, and JURA's fix for each, from the Z10 manual.
Flashing red, flashing green, CLE or EE:03? What each Bunn code and light means according to BUNN, which model shows it, and what to do about it.
Hamilton Beach coffee maker showing CLEAN, NEEDLE, OVEr LOAd or a red Wi-Fi light? Every message and light from the Use & Care guides for the 49350, FlexBrew, 2-Way and 12-cup models, with the fix for each.
SMEG lights decoded: the DCF02 red dot and the ECF01/ECF02 orange steam light mean descale; all lights flashing on an espresso means call service.
No numbered codes, just a handful of lights. What each Mr. Coffee light means on the JPX37, BVMC-SJX33GT, 4-cup AR4 and Café Barista, and what to do next.
Most Vertuo Next shutdowns are the 2-minute auto off or the overheating cool-down (orange pulsing down). How to tell them from the real error rhythm, and what to do.
Spout is not fitted, Not enough ground coffee, Decalcify machine, Error 2 or 5: every message in the Jura Z6 manual, what it blocks, and its fix.
The K-Duo guides contain no error codes. All buttons blinking at once means call Customer Service; ADD WATER and the descale light have owner fixes.
CLEAN MILK SYSTEM, DESCALE NOW, SYSTEM ERROR or a red screen on your Rivelia? Every ECAM450 touchscreen alert explained, with the right response.
The CFN601 reports faults as words on its clock — CLn, Add Wtr, StOP, PrE and Er — not as LED patterns. Every message decoded, with what to do.
The BES876 has no numbered codes. Its book lists light and beep alerts: hopper not locked, low beans, tamp lever not home, and the cleaning and descale light.
Vertuo Next blinking orange or white? Its manual lists 12 light states and one error pattern. Here's what each means and the fix Nespresso gives for it.
The K-Café SMART guide has no numbered codes. Add Water needs 6 oz, BrewID needs Wi-Fi and an unpunctured pod, and the frother has its own fixes.
Bambino Plus (BES500) lights flashing? Every pattern in Breville’s manual decoded: cleaning and descale alerts, low water, blocked steam wand, plus 5 fixes.
No Keurig manual defines Error 5, and none publishes a brewing temperature either. Here is what actually makes a Keurig brew lukewarm.
No Keurig manual defines Error 3. Here is what a brewer that shuts off, blinks all its buttons or will not power up is actually telling you.
Error 124 (Coffee Main) on a Gemini, Zenius or Aguila? The most common commercial Nespresso error, cleared in under 15 minutes.
Most Jura E6 errors are requests: fill, empty, rinse, clean, descale. Its manual defines only ERROR 2 and 5. Every E6 message and the fix it gives.
The K-Iced Essentials has no power button and sleeps after 5 minutes. Its guide narrows other faults to water, the reservoir, needles and scale.
Fill water tank with a full tank, Decalcify machine, Error 2 or 5? Every Jura S8 message from its manual, with the fix for each and the S8's own settings.
Keurig's SMART guide shows the software version in Settings → Brewer Information and covers Wi-Fi reconnection and Factory Reset. What to try, in order, before calling.
Er, FILL TANK, LOCK HOPPER, FLUSH or a blank screen? Every word the Barista Pro's LCD can show, what Breville's book says it means, and the fix.
K-Supreme SMART not recognising pods? Keurig's causes: no Wi-Fi for BrewID, not a genuine Keurig pod, or a punctured lid. Reconnect, clean, then Factory Reset.
The E8 shows messages, not codes, and its manual defines only Error 2 and Error 5. Every E8 message, what it blocks, and the fix the manual gives.
Nespresso Vertuo Next won't connect to WiFi, shows offline in the app, or firmware update stuck? These 5 fixes address the Vertuo Next's known connectivity issues — most resolve in under 10 minutes.
K920 showing offline in the Keurig app, or WiFi setup won't finish? 5 fixes for the connectivity failures owners run into most often.
Barista Touch Impress (BES881) screen frozen? The screen care, restart and 60-minute rest Breville documents, plus which online fixes don't exist.
The Vertuo Pop's light is white or orange, so a "red" light is orange. Its rhythm tells you whether it's the tank, an error or cooling, and each has a fix.
Nespresso Vertuo blinking an error or refusing to read capsules? These 5 fixes solve barcode scanner errors across Vertuo Pop, Next, Plus, and Plus Deluxe — 85% success rate.
The K-Supreme SMART guide defines no numbered errors. What its screen messages mean (Add Water, Descale, Signature Brew), and the fix for each from the guide.
Empty Me! is the drip tray full indicator, not an error. Empty the tray, push it firmly in, wash the removable indicator. Auto purge fills it fast.
Only some Nespresso machines have an orange light. On a Vertuo, the rhythm tells you if it's the tank, an error, cooling or descaling. Here's each fix.
De'Longhi "beans empty" with a full hopper? The manuals list a second cause: a clogged pre-ground coffee funnel. Warning patterns for Magnifica and Dinamica.
No Keurig manual defines Error 6. What it usually is: a needle, an already-punctured pod, or a reusable filter that does not fit your brewer.
Ninja blinking lights, beeping, or an Er code on the clock? Every signal in Ninja's owner's guides decoded, from CLEAN and CLn to Add Wtr and Er 10-12.
Error 11 has no meaning in any Keurig document, and no symptom attached to it. So here is how to diagnose a Keurig from what it is actually doing.
No Keurig manual defines Error 17. The symptom behind it is an ADD WATER light on a full tank, and Keurig says where the owner's job ends.
No Keurig manual defines Error 8, and there is no reset button either. Here is what a brew that starts then stops is actually telling you.
Keurig publishes no numbered error codes for home brewers. Here is what nine Use & Care Guides actually document, and the fixes that follow from it.
No Keurig manual defines Error 9. If the pump runs but nothing comes out, the causes run in a set order, and one of them is invisible.
Keurig showing Prime message or won't pump water? These 5 fixes clear air locks and restore flow — 86% success rate. Most take under 10 minutes.
Breville showing error messages or warning lights? Decode all Breville error codes with quick fixes — most resolved in 5-15 minutes. Complete guide for all models.
DeLonghi warning lights decoded from De'Longhi's own manuals: what steady vs flashing icons mean on the Magnifica S, Start, Evo, Dinamica, Dedica and La Specialista.
Keurig doesn't use numbered codes. Here's what ADD WATER, DESCALE and all-lights patterns mean on the K-Supreme, K-Elite, K-Slim, K-Mini and K-Duo.
Philips warning lights flashing or an error number on the display? The 2200/3200 use icons, the 4300/5400 use codes 01-19. Every documented fix, by series.
Nespresso blinking orange, green or not at all? Every light pattern from the Vertuo, Pixie, CitiZ, Essenza Mini and Lattissima manuals, with the fix for each.
More coffee maker troubleshooting guides across different problem areas
Fix brewing and flow problems
Solve heating problems
Maintenance and cleaning fixes
Fix leaking and water issues
Fixes by brand and model
Replacement parts and installation
Preventive care and upkeep
Blinking lights and error messages decoded for Keurig, Nespresso, Breville, and all major brands.
All our guides are tested on real coffee makers and written by experienced repair specialists. We focus on practical, DIY-friendly solutions that save you time and money. No special tools or technical expertise required—just follow our step-by-step instructions.
Weekly fixes, maintenance tips, and early guides — straight to your inbox. Free, forever.
No spam. Unsubscribe any time.