Coffee machine error codes and fault guides
Browse 58 published, evidence-gated Coffee machine guides. Each page states the supported model and region, official source, safe checks, and the point to stop.
Coffee machine fault guides
25–48 of 58
The Vertuo Plus descaling alert is active
Official Nespresso guidance for Nespresso VertuoPlus and VertuoPlus Deluxe machines covered by the US FAQ explains the coffee button is steadily half green and half red. The behavior is model-specific and should not be merged with another Nespresso machine family.
The Vertuo descaling alert is active
Nespresso identifies the Vertuo half-red, half-yellow ring light as a descaling alert and recommends descaling at the published interval.
The safety thermostat has stopped the cycle because the unit heated too quickly
Official Nespresso guidance for Nespresso Aeroccino frothers covered by the New Zealand support entry explains the Aeroccino stops spinning or heating before the expected cycle completes. The behavior is model-specific and should not be merged with another Nespresso machine family.
The programmed milk quantity no longer matches the desired recipe
Official Nespresso guidance for Nespresso Lattissima machines covered by the Poland support entry explains the machine dispenses too much or too little milk for a saved drink button. The behavior is model-specific and should not be merged with another Nespresso machine family.
The machine remains associated with a previous setup state or pairing record
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the New Zealand support entry explains the Nespresso App reports that the detected Vertuo Next cannot pair. The behavior is model-specific and should not be merged with another Nespresso machine family.
The milk function sensor has not detected the connected milk container or sufficient milk
Official Nespresso guidance for Nespresso Lattissima One machines covered by the Sweden support entry explains the Lattissima One milk button remains dark after the milk container is attached. The behavior is model-specific and should not be merged with another Nespresso machine family.
Centrifusion capsule rotation can create vibration that is affected by the machine's support surface and water-tank weight
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the Sweden support FAQ explains the Vertuo Next sounds or vibrates more than expected during extraction. The behavior is model-specific and should not be merged with another Nespresso machine family.
The whisk, milk quantity, milk temperature, or milk type may not support frothing
Official Nespresso guidance for Nespresso Aeroccino frothers covered by the US support FAQ explains the Aeroccino heats milk but does not produce the expected foam. The behavior is model-specific and should not be merged with another Nespresso machine family.
An air bubble may be blocking water flow through the circuit
Official Nespresso guidance for Nespresso Vertuo Plus machines covered by the US no-water support FAQ explains the machine turns on but no water reaches the outlet after running empty or long non-use. The behavior is model-specific and should not be merged with another Nespresso machine family.
An air bubble may be blocking the OriginalLine water path
Official Nespresso guidance for Nespresso OriginalLine machines covered by the US no-water support FAQ explains the machine turns on but no water comes out and the capsule is not punctured. The behavior is model-specific and should not be merged with another Nespresso machine family.
An air bubble may be blocking the dual-outlet water path
Official Nespresso guidance for Nespresso OriginalLine machines with coffee and hot-water/steam outlets covered by the US FAQ explains a dual-outlet Nespresso machine has no water from the coffee outlet or hot-water/steam outlet. The behavior is model-specific and should not be merged with another Nespresso machine family.
Pattern-specific warning
An orange light has different meanings depending on the machine and blink pattern, so identify both before resetting.
The capsule-puncturing rotor or upper brew area cannot move normally
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the New Zealand support entry explains the machine blinks orange or red and the brewing cycle will not start. The behavior is model-specific and should not be merged with another Nespresso machine family.
The Vertuo capsule barcode or recognition area was not read correctly
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the New Zealand support entry explains the machine blinks and does not start a capsule-specific extraction. The behavior is model-specific and should not be merged with another Nespresso machine family.
Mineral build-up has triggered the model's descaling alert
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the New Zealand support entry explains the Vertuo Next shows an orange alert associated with descaling. The behavior is model-specific and should not be merged with another Nespresso machine family.
Nespresso identifies an electronic alert requiring a controlled restart before service
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the New Zealand support entry explains the Vertuo Next continues an orange/red alert after the capsule and water checks. The behavior is model-specific and should not be merged with another Nespresso machine family.
The water tank does not contain enough water for brewing
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the New Zealand support entry explains coffee button blinks orange or red and brewing will not start. The behavior is model-specific and should not be merged with another Nespresso machine family.
The previous capsule has not been ejected before the next brew
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the New Zealand support entry explains the machine blinks and will not brew a second capsule. The behavior is model-specific and should not be merged with another Nespresso machine family.
The brewing head is not fully closed and locked
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the New Zealand support entry explains coffee button blinks orange or red and brewing will not start. The behavior is model-specific and should not be merged with another Nespresso machine family.
The accessible capsule path or recognition area needs the model cleaning cycle
Official Nespresso guidance for Nespresso Vertuo Next machines covered by the official Vertuo Next support entry explains the machine blinks during a cleaning-related alert and will not brew normally. The behavior is model-specific and should not be merged with another Nespresso machine family.
The milk frother or steam system may be clogged, or the milk is not suitable for the desired foam
Official Nespresso guidance for Nespresso Lattissima machines covered by the Hungary support FAQ explains the Lattissima produces weak or incorrect milk foam. The behavior is model-specific and should not be merged with another Nespresso machine family.
The upper part is not closed with the lock symbol engaged
Official Nespresso guidance for Nespresso Vertuo machines covered by the Romania support FAQ explains the white light pulses and the machine does not start brewing. The behavior is model-specific and should not be merged with another Nespresso machine family.
The Pop+ alert pattern requires the water tank and brew-state checks
Official Nespresso guidance for Nespresso Vertuo Pop+ machines covered by the UK Machine Assistance page explains the Vertuo Pop+ red light is on for 1.5 seconds and off for 0.5 seconds. The behavior is model-specific and should not be merged with another Nespresso machine family.
Nespresso identifies the appliance as too hot
Official Nespresso guidance for Nespresso Citiz and Citiz&Milk machines covered by the US Machine Assistance page explains the Citiz red button blinks and brewing is unavailable. The behavior is model-specific and should not be merged with another Nespresso machine family.