Ariete
Ariete 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
Display shows E01 and the coffee maker does not start brewing when the button is pressed.
Water Tank Presence/Level Sensor Fault
E02
E02 appears on the display and the machine stops during preheating or does not heat at all.
Thermal Sensor / NTC Probe Error
E03
E03 is displayed and no water flows through the coffee spout even though the pump can be heard briefly.
Flow Meter / Water Flow Detection Error
E04
E04 appears and the machine stops brewing; sometimes accompanied by water leaking into the drip tray instead of the cup.
Overpressure / Hydraulic Circuit Blockage
E05
E05 is shown and the steam function does not work or stops quickly; little or no steam from the wand or cappuccinatore.
Steam Circuit / Steam Thermostat Fault
E06
E06 appears and the brew group does not move; you may hear a brief click or hum but no full movement.
Brew Group Motor / Position Sensor Error
E07
E07 is displayed and the grinder does not run, or runs briefly then stops with no coffee dispensed.
Grinder Motor / Load Error
E08
E08 appears and the machine indicates a general fault; often associated with no response from buttons or frozen display.
Control Board / Firmware Error
E09
E09 is displayed and the machine reports a pump or pressure problem; no water is delivered to the group.
Pump / Pressure Sensor Error
E10
E10 appears and the machine refuses to brew; often accompanied by a message about the drip tray or dreg drawer.
Drip Tray / Waste Container Sensor Fault
E11
E11 is displayed and the machine indicates a door or service panel open, even when it appears closed.
Service Door / Safety Microswitch Error
E12
E12 appears and the milk frothing system does not operate; some models show a milk system error icon.
Milk Frother / Cappuccinatore Detection Error
E13
E13 is displayed and the machine stops mid-cycle; sometimes associated with a sudden power cut or brownout.
Low Voltage / Power Supply Error
E14
E14 appears and the machine indicates a descaling or water circuit error even after descaling.
Descaling Sensor / Flow Acknowledgement Error
E15
E15 is displayed and the machine will not operate; often accompanied by water found in the base or under the machine.
Internal Leak / Safety Float Switch Activation
Symptom
Burning smell or smoke coming from the coffee maker during operation.
Electrical Overheating / Component Failure
Symptom
Buttons or touch controls are unresponsive or respond intermittently.
User Interface / Keypad Failure
Symptom
Coffee is not hot enough even immediately after brewing.
Low Brew Temperature
Symptom
Coffee is weak, watery, and lacks crema even with normal settings.
Under-Extraction / Low Coffee Dose
Symptom
Coffee maker does not power on at all; no lights or display when the power button is pressed.
No Power / Dead Appliance
Symptom
Coffee maker powers on but will not start brewing when the brew button is pressed.
Start Circuit / User Interface Fault
Symptom
Coffee tastes burnt or bitter and appears very dark with little crema.
Over-Extraction / Excessive Brew Temperature
Symptom
Display is very dim, flickering, or completely blank while the machine still operates.
Display Backlight / LCD Failure
Symptom
Display or indicator lights show that the water tank is empty even when it is full.
False Empty Tank Indication
Symptom
Grinder is very loud, squeals, or makes grinding noises without beans.
Grinder Mechanical Damage
Symptom
Grinder runs but no ground coffee reaches the brew group; brewing proceeds with little or no coffee.
Blocked Coffee Chute / Doser
Symptom
Little or no coffee comes out; brewing is very slow and the pump sounds strained.
Restricted Coffee Flow / Partial Blockage
Symptom
Machine frequently asks to empty the drip tray or dreg drawer even when they are nearly empty.
Waste Counter / Sensor Miscalibration
Symptom
Machine repeatedly shows descaling or cleaning reminder shortly after it was performed.
Maintenance Reminder / Sensor Logic Issue
Symptom
Machine turns off by itself during brewing or heating.
Intermittent Power Loss / Thermal Cut-Out
Symptom
Machine vibrates excessively or moves on the countertop during brewing.
Excessive Vibration / Mechanical Imbalance
Symptom
Milk frother does not draw milk or produces only hot steam with no foam.
Milk Frothing System Blockage
Symptom
Moldy or musty smell from the coffee maker or water tank.
Microbial Growth in Water Tank / Drip Tray
Symptom
No water comes out at all during brewing; pump is either silent or makes a loud buzzing noise.
No Water Delivery / Pump Not Primed
Symptom
Plastic or chemical taste in coffee, especially on a new Ariete coffee maker.
Residual Manufacturing Oils / Plastic Leaching
Symptom
Sour or metallic taste in coffee despite using good beans.
Water Quality / Dirty Coffee Path
Symptom
Steam or hot water leaks from around the steam wand base when steaming milk.
Steam Wand O-Ring / Joint Leak
Symptom
Steam wand sprays large droplets of water before producing steam, or never produces dry steam.
Wet Steam / Condensation in Steam Circuit
Symptom
Unusual loud buzzing, rattling, or knocking noises during brewing.
Abnormal Operating Noise
Symptom
Used coffee pucks are very wet and sludgy in the dreg drawer.
Poor Puck Ejection / Excess Water in Puck
Symptom
Water drips continuously from the coffee spout even when the machine is idle.
Non-Return Valve / Brew Valve Not Sealing
Symptom
Water leaks from the portafilter area during brewing on Ariete pump espresso models.
Brew Head Gasket / Portafilter Seal Failure
Symptom
Water leaks from under the Ariete coffee maker onto the countertop.
External Leak from Tank or Internal Hoses
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Display shows E01 and the coffee maker does not start brewing when the button is pressed.
|
Water Tank Presence/Level Sensor Fault | View Details |
| E02 |
E02 appears on the display and the machine stops during preheating or does not heat at all.
|
Thermal Sensor / NTC Probe Error | View Details |
| E03 |
E03 is displayed and no water flows through the coffee spout even though the pump can be heard briefly.
|
Flow Meter / Water Flow Detection Error | View Details |
| E04 |
E04 appears and the machine stops brewing; sometimes accompanied by water leaking into the drip tray instead of the cup.
|
Overpressure / Hydraulic Circuit Blockage | View Details |
| E05 |
E05 is shown and the steam function does not work or stops quickly; little or no steam from the wand or cappuccinatore.
|
Steam Circuit / Steam Thermostat Fault | View Details |
| E06 |
E06 appears and the brew group does not move; you may hear a brief click or hum but no full movement.
|
Brew Group Motor / Position Sensor Error | View Details |
| E07 |
E07 is displayed and the grinder does not run, or runs briefly then stops with no coffee dispensed.
|
Grinder Motor / Load Error | View Details |
| E08 |
E08 appears and the machine indicates a general fault; often associated with no response from buttons or frozen display.
|
Control Board / Firmware Error | View Details |
| E09 |
E09 is displayed and the machine reports a pump or pressure problem; no water is delivered to the group.
|
Pump / Pressure Sensor Error | View Details |
| E10 |
E10 appears and the machine refuses to brew; often accompanied by a message about the drip tray or dreg drawer.
|
Drip Tray / Waste Container Sensor Fault | View Details |
| E11 |
E11 is displayed and the machine indicates a door or service panel open, even when it appears closed.
|
Service Door / Safety Microswitch Error | View Details |
| E12 |
E12 appears and the milk frothing system does not operate; some models show a milk system error icon.
|
Milk Frother / Cappuccinatore Detection Error | View Details |
| E13 |
E13 is displayed and the machine stops mid-cycle; sometimes associated with a sudden power cut or brownout.
|
Low Voltage / Power Supply Error | View Details |
| E14 |
E14 appears and the machine indicates a descaling or water circuit error even after descaling.
|
Descaling Sensor / Flow Acknowledgement Error | View Details |
| E15 |
E15 is displayed and the machine will not operate; often accompanied by water found in the base or under the machine.
|
Internal Leak / Safety Float Switch Activation | View Details |
| – |
Burning smell or smoke coming from the coffee maker during operation.
|
Electrical Overheating / Component Failure | View Details |
| – |
Buttons or touch controls are unresponsive or respond intermittently.
|
User Interface / Keypad Failure | View Details |
| – |
Coffee is not hot enough even immediately after brewing.
|
Low Brew Temperature | View Details |
| – |
Coffee is weak, watery, and lacks crema even with normal settings.
|
Under-Extraction / Low Coffee Dose | View Details |
| – |
Coffee maker does not power on at all; no lights or display when the power button is pressed.
|
No Power / Dead Appliance | View Details |
| – |
Coffee maker powers on but will not start brewing when the brew button is pressed.
|
Start Circuit / User Interface Fault | View Details |
| – |
Coffee tastes burnt or bitter and appears very dark with little crema.
|
Over-Extraction / Excessive Brew Temperature | View Details |
| – |
Display is very dim, flickering, or completely blank while the machine still operates.
|
Display Backlight / LCD Failure | View Details |
| – |
Display or indicator lights show that the water tank is empty even when it is full.
|
False Empty Tank Indication | View Details |
| – |
Grinder is very loud, squeals, or makes grinding noises without beans.
|
Grinder Mechanical Damage | View Details |
| – |
Grinder runs but no ground coffee reaches the brew group; brewing proceeds with little or no coffee.
|
Blocked Coffee Chute / Doser | View Details |
| – |
Little or no coffee comes out; brewing is very slow and the pump sounds strained.
|
Restricted Coffee Flow / Partial Blockage | View Details |
| – |
Machine frequently asks to empty the drip tray or dreg drawer even when they are nearly empty.
|
Waste Counter / Sensor Miscalibration | View Details |
| – |
Machine repeatedly shows descaling or cleaning reminder shortly after it was performed.
|
Maintenance Reminder / Sensor Logic Issue | View Details |
| – |
Machine turns off by itself during brewing or heating.
|
Intermittent Power Loss / Thermal Cut-Out | View Details |
| – |
Machine vibrates excessively or moves on the countertop during brewing.
|
Excessive Vibration / Mechanical Imbalance | View Details |
| – |
Milk frother does not draw milk or produces only hot steam with no foam.
|
Milk Frothing System Blockage | View Details |
| – |
Moldy or musty smell from the coffee maker or water tank.
|
Microbial Growth in Water Tank / Drip Tray | View Details |
| – |
No water comes out at all during brewing; pump is either silent or makes a loud buzzing noise.
|
No Water Delivery / Pump Not Primed | View Details |
| – |
Plastic or chemical taste in coffee, especially on a new Ariete coffee maker.
|
Residual Manufacturing Oils / Plastic Leaching | View Details |
| – |
Sour or metallic taste in coffee despite using good beans.
|
Water Quality / Dirty Coffee Path | View Details |
| – |
Steam or hot water leaks from around the steam wand base when steaming milk.
|
Steam Wand O-Ring / Joint Leak | View Details |
| – |
Steam wand sprays large droplets of water before producing steam, or never produces dry steam.
|
Wet Steam / Condensation in Steam Circuit | View Details |
| – |
Unusual loud buzzing, rattling, or knocking noises during brewing.
|
Abnormal Operating Noise | View Details |
| – |
Used coffee pucks are very wet and sludgy in the dreg drawer.
|
Poor Puck Ejection / Excess Water in Puck | View Details |
| – |
Water drips continuously from the coffee spout even when the machine is idle.
|
Non-Return Valve / Brew Valve Not Sealing | View Details |
| – |
Water leaks from the portafilter area during brewing on Ariete pump espresso models.
|
Brew Head Gasket / Portafilter Seal Failure | View Details |
| – |
Water leaks from under the Ariete coffee maker onto the countertop.
|
External Leak from Tank or Internal Hoses | View Details |
No matching codes found
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