AEG 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 will not start a brewing cycle; display shows E01 shortly after power-on.
Main Power Supply / Control Board Fault
E02
Display shows E02 and the machine does not heat; brewing is aborted with cold water dispensed or no flow.
Thermal Sensor / NTC Fault
E03
Machine displays E03 and stops; water does not reach the brew unit or steam circuit.
Water Flow / Flowmeter Fault
E04
E04 appears and the machine stops brewing; sometimes accompanied by unusual pump noise and no water at the spout.
Water Pump Failure or Overload
E05
Display shows E05; machine may stop during heating or steam generation, sometimes with very hot housing.
Overheating / Thermal Cut-out Triggered
E06
E06 error appears; grinder does not run or stops shortly after starting, no ground coffee reaches the brew unit.
Coffee Grinder Motor / Encoder Fault
E07
Machine shows E07 and stops; brew unit does not move into position or makes loud clicking noises.
Brew Unit Drive Motor / Position Fault
E08
E08 appears; machine may leak internally or fail to build pressure, sometimes with water in the drip tray.
Hydraulic Circuit / Overpressure Valve Fault
E09
Display shows E09; machine does not produce steam or hot water, or stops during steam generation.
Steam Thermoblock / Heater Fault
E10
E10 error; machine reports water system issue and refuses to start brewing.
Water Level / Tank Detection Fault
E11
Machine shows E11; milk frothing function is disabled or stops mid-cycle.
Milk System Temperature / Flow Fault
E12
E12 appears; machine may shut down unexpectedly or reboot during operation.
Low Voltage / Power Regulation Fault
E13
E13 error; machine indicates internal leak or water in base tray and refuses to operate.
Internal Leak / Drip Tray Sensor Fault
E14
E14 displayed; machine cannot detect the brew unit or reports brew unit missing.
Brew Unit Presence / Lock Sensor Fault
E15
E15 error; machine reports door or service panel open even when closed.
Door Switch / Interlock Fault
E16
E16 appears; machine cannot detect coffee beans or reports grinder empty even when full.
Bean Level / Grinder Load Detection Fault
E17
E17 error; machine indicates descaling or water hardness sensor fault and may not start brewing.
Descaling Sensor / Water Hardness Detection Fault
E18
E18 displayed; machine reports communication error between control board and user interface.
Communication Bus / Interface Fault
E19
E19 error; machine cannot adjust or detect the ceramic valve position, often accompanied by no water or misrouted flow.
Ceramic Diverter Valve Position Fault
E20
E20 appears; machine reports generic system fault and may lock out all functions.
General System Error / Firmware Fault
Symptom
Brew unit is stuck and cannot be removed; machine may show mechanical noises on startup.
Jammed Brew Unit Mechanism
Symptom
Buttons or touch keys do not respond or respond intermittently.
Keypad / Touch Sensor Fault
Symptom
Coffee grounds are very wet and sludgy in the grounds container.
Poor Puck Formation
Symptom
Coffee is lukewarm or not hot enough, even on maximum temperature setting.
Insufficient Brewing Temperature
Symptom
Coffee is too strong or bitter, with very slow flow and small volume.
Over-Extraction / Restricted Flow
Symptom
Coffee is too weak or watery, even on the strongest setting.
Under-Extraction / Low Coffee Dose
Symptom
Coffee maker does not power on at all; no lights or display, even when plugged in.
No Power / Dead Appliance
Symptom
Descaling program cannot be started or stops immediately.
Descaling Program Execution Fault
Symptom
Display or indicator lights flicker or are very dim.
Display Power / Backlight Fault
Symptom
Grinder does not run at all; machine may still attempt to brew and produce only hot water.
Grinder Electrical Failure
Symptom
Grinder runs but makes a loud, harsh noise; sometimes no beans are ground.
Grinder Mechanical Damage
Symptom
Machine emits a burning smell during operation.
Overheating Component / Electrical Burn
Symptom
Machine frequently asks to empty the drip tray or coffee grounds container even when recently emptied.
Tray / Grounds Container Detection Fault
Symptom
Machine is very noisy during brewing, with rattling or vibration sounds.
Excessive Vibration / Loose Components
Symptom
Machine powers on but will not start brewing; pressing any coffee button does nothing.
User Interface / Start Inhibit Fault
Symptom
Machine shuts off unexpectedly during brewing or steaming.
Thermal or Electrical Shutdown
Symptom
Milk froth is poor, large bubbles, or no froth at all.
Milk Frothing Performance Issue
Symptom
No coffee comes out, but you can hear the grinder and pump running.
Brew Circuit Blockage
Symptom
Steam wand does not produce steam or only spits water.
Steam Circuit Blockage / Low Steam Pressure
Symptom
Used coffee grounds container does not fill evenly; some cycles produce no puck.
Dosing / Ejection Fault
Symptom
Water collects quickly in the drip tray; very little coffee reaches the cup.
Bypass Valve / Brew Unit Dumping Water
Symptom
Water leaks under the machine or from the sides during brewing.
External Water Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Machine will not start a brewing cycle; display shows E01 shortly after power-on.
|
Main Power Supply / Control Board Fault | View Details |
| E02 |
Display shows E02 and the machine does not heat; brewing is aborted with cold water dispensed or no flow.
|
Thermal Sensor / NTC Fault | View Details |
| E03 |
Machine displays E03 and stops; water does not reach the brew unit or steam circuit.
|
Water Flow / Flowmeter Fault | View Details |
| E04 |
E04 appears and the machine stops brewing; sometimes accompanied by unusual pump noise and no water at the spout.
|
Water Pump Failure or Overload | View Details |
| E05 |
Display shows E05; machine may stop during heating or steam generation, sometimes with very hot housing.
|
Overheating / Thermal Cut-out Triggered | View Details |
| E06 |
E06 error appears; grinder does not run or stops shortly after starting, no ground coffee reaches the brew unit.
|
Coffee Grinder Motor / Encoder Fault | View Details |
| E07 |
Machine shows E07 and stops; brew unit does not move into position or makes loud clicking noises.
|
Brew Unit Drive Motor / Position Fault | View Details |
| E08 |
E08 appears; machine may leak internally or fail to build pressure, sometimes with water in the drip tray.
|
Hydraulic Circuit / Overpressure Valve Fault | View Details |
| E09 |
Display shows E09; machine does not produce steam or hot water, or stops during steam generation.
|
Steam Thermoblock / Heater Fault | View Details |
| E10 |
E10 error; machine reports water system issue and refuses to start brewing.
|
Water Level / Tank Detection Fault | View Details |
| E11 |
Machine shows E11; milk frothing function is disabled or stops mid-cycle.
|
Milk System Temperature / Flow Fault | View Details |
| E12 |
E12 appears; machine may shut down unexpectedly or reboot during operation.
|
Low Voltage / Power Regulation Fault | View Details |
| E13 |
E13 error; machine indicates internal leak or water in base tray and refuses to operate.
|
Internal Leak / Drip Tray Sensor Fault | View Details |
| E14 |
E14 displayed; machine cannot detect the brew unit or reports brew unit missing.
|
Brew Unit Presence / Lock Sensor Fault | View Details |
| E15 |
E15 error; machine reports door or service panel open even when closed.
|
Door Switch / Interlock Fault | View Details |
| E16 |
E16 appears; machine cannot detect coffee beans or reports grinder empty even when full.
|
Bean Level / Grinder Load Detection Fault | View Details |
| E17 |
E17 error; machine indicates descaling or water hardness sensor fault and may not start brewing.
|
Descaling Sensor / Water Hardness Detection Fault | View Details |
| E18 |
E18 displayed; machine reports communication error between control board and user interface.
|
Communication Bus / Interface Fault | View Details |
| E19 |
E19 error; machine cannot adjust or detect the ceramic valve position, often accompanied by no water or misrouted flow.
|
Ceramic Diverter Valve Position Fault | View Details |
| E20 |
E20 appears; machine reports generic system fault and may lock out all functions.
|
General System Error / Firmware Fault | View Details |
| – |
Brew unit is stuck and cannot be removed; machine may show mechanical noises on startup.
|
Jammed Brew Unit Mechanism | View Details |
| – |
Buttons or touch keys do not respond or respond intermittently.
|
Keypad / Touch Sensor Fault | View Details |
| – |
Coffee grounds are very wet and sludgy in the grounds container.
|
Poor Puck Formation | View Details |
| – |
Coffee is lukewarm or not hot enough, even on maximum temperature setting.
|
Insufficient Brewing Temperature | View Details |
| – |
Coffee is too strong or bitter, with very slow flow and small volume.
|
Over-Extraction / Restricted Flow | View Details |
| – |
Coffee is too weak or watery, even on the strongest setting.
|
Under-Extraction / Low Coffee Dose | View Details |
| – |
Coffee maker does not power on at all; no lights or display, even when plugged in.
|
No Power / Dead Appliance | View Details |
| – |
Descaling program cannot be started or stops immediately.
|
Descaling Program Execution Fault | View Details |
| – |
Display or indicator lights flicker or are very dim.
|
Display Power / Backlight Fault | View Details |
| – |
Grinder does not run at all; machine may still attempt to brew and produce only hot water.
|
Grinder Electrical Failure | View Details |
| – |
Grinder runs but makes a loud, harsh noise; sometimes no beans are ground.
|
Grinder Mechanical Damage | View Details |
| – |
Machine emits a burning smell during operation.
|
Overheating Component / Electrical Burn | View Details |
| – |
Machine frequently asks to empty the drip tray or coffee grounds container even when recently emptied.
|
Tray / Grounds Container Detection Fault | View Details |
| – |
Machine is very noisy during brewing, with rattling or vibration sounds.
|
Excessive Vibration / Loose Components | View Details |
| – |
Machine powers on but will not start brewing; pressing any coffee button does nothing.
|
User Interface / Start Inhibit Fault | View Details |
| – |
Machine shuts off unexpectedly during brewing or steaming.
|
Thermal or Electrical Shutdown | View Details |
| – |
Milk froth is poor, large bubbles, or no froth at all.
|
Milk Frothing Performance Issue | View Details |
| – |
No coffee comes out, but you can hear the grinder and pump running.
|
Brew Circuit Blockage | View Details |
| – |
Steam wand does not produce steam or only spits water.
|
Steam Circuit Blockage / Low Steam Pressure | View Details |
| – |
Used coffee grounds container does not fill evenly; some cycles produce no puck.
|
Dosing / Ejection Fault | View Details |
| – |
Water collects quickly in the drip tray; very little coffee reaches the cup.
|
Bypass Valve / Brew Unit Dumping Water | View Details |
| – |
Water leaks under the machine or from the sides during brewing.
|
External Water Leak | View Details |
No matching codes found
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