SMEG

SMEG Coffee Makers Error Codes

Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.

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E01
Machine does not draw water; display shows E01 shortly after starting a coffee cycle.
Water Inlet Flow Error
E02
Display shows E02 and brewing stops; pump can be heard but little or no water exits the group head.
Hydraulic Circuit Blocked / Overpressure
E03
Machine displays E03 and will not start a brewing cycle; sometimes accompanied by unusual pump noise.
Water Pump Failure
E04
Display shows E04 and the machine stops; often occurs during or after a steam cycle.
Boiler / Thermoblock Overheating
E05
E05 appears on the display and the machine will not heat water or steam.
Heating Circuit Failure
E06
Display shows E06 and the grinder does not run when a coffee is requested.
Grinder Motor Fault
E07
E07 appears and the brew group does not move; machine may make clicking or buzzing sounds.
Brew Group Drive Motor Error
E08
Display shows E08 and the machine reports a general internal error; often associated with erratic behavior.
Main Control Board Communication Error
E09
E09 appears and the machine does not detect the water tank even when it is installed.
Water Tank Presence Detection Fault
E10
Display shows E10 and the machine refuses to brew; message may mention drip tray or grounds container.
Drip Tray / Grounds Container Detection Error
E11
E11 appears and the machine reports a milk system or frother error on models with integrated milk carafe.
Milk Frothing System Fault
E12
E12 is displayed and the machine cannot complete a rinse or self-clean cycle.
Rinse Cycle Incomplete / Flow Sensor Error
E13
E13 appears and the machine indicates a descaling or scale-related fault that cannot be cleared by a normal cycle.
Severe Limescale Accumulation
E14
E14 is displayed and the machine does not respond correctly to button presses or touch inputs.
User Interface / Keypad Error
E15
E15 appears and the machine may show a leak or internal water error; brewing is disabled.
Internal Leak / Safety Float Activated
E16
E16 is displayed and the machine reports a door or service panel open error even when closed.
Service Door / Panel Switch Fault
E17
E17 appears and the machine cannot detect coffee beans; it may prompt to fill the hopper even when full.
Bean Level / Grinder Load Detection Error
E18
E18 is displayed and the machine cannot complete a self-test; often related to brew group positioning.
Brew Group Position Sensor Error
Symptom
Burning smell or electrical odor during operation.
Overheating Electrical Component
Symptom
Coffee grounds are very wet and form a slurry in the grounds container.
Poor Puck Formation / Excess Water in Grounds
Symptom
Coffee is lukewarm or not hot enough when dispensed.
Low Brew Temperature
Symptom
Coffee tastes weak or watery even on the strongest setting.
Under-Extraction / Incorrect Brewing Parameters
Symptom
Display is very dim or flickers during operation.
Display Power / Backlight Issue
Symptom
Grinder runs but no ground coffee reaches the brew group.
Grinder Chute Blockage
Symptom
Machine displays 'Fill water tank' even though the tank is full.
Water Level Detection Issue
Symptom
Machine does not power on at all; no lights or display.
No Power / Dead Appliance
Symptom
Machine frequently asks to empty the drip tray even when it is nearly empty.
False Drip Tray Full Detection
Symptom
Machine is very noisy during brewing, with loud rattling or knocking sounds.
Excessive Vibration / Mechanical Noise
Symptom
Machine makes a loud clicking noise but does not start brewing.
Solenoid Valve or Relay Actuation Without Flow
Symptom
Machine powers on but buttons or touch controls do not respond.
Unresponsive Control Panel
Symptom
Machine stops mid-cycle and shuts off unexpectedly.
Thermal or Power Interruption
Symptom
Machine vibrates excessively and moves on the countertop during brewing.
Excessive Pump Vibration
Symptom
Milk froth is poor, with large bubbles or almost no foam.
Inadequate Milk Frothing
Symptom
No coffee comes out of the spouts, but you can hear the pump running.
Brew Circuit Blockage
Symptom
Steam wand does not produce steam or only emits water.
Steam Circuit Blockage or Low Temperature
Symptom
Used coffee grounds container overflows or grounds spill inside the machine.
Grounds Ejection / Counting Fault
Symptom
Water leaks from the area around the water tank.
Water Tank Seal Failure
Symptom
Water leaks from under the machine during or after brewing.
Internal Water Leak
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