Ascaso
Ascaso 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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E1
Digital Ascaso coffee machine displays E1 and will not start heating or brewing.
Brew Boiler Temperature Sensor Failure
E10
Ascaso coffee machine shows E10 and stops brewing mid-shot; water may continue to drip slowly.
3-Way Solenoid Valve Stuck or Drain Error
E2
Digital Ascaso coffee machine shows E2 and does not produce steam; steam boiler does not heat.
Steam Boiler Temperature Sensor Failure
E3
Ascaso coffee machine displays E3 and stops heating; temperature overshoots or machine shuts down for safety.
Overtemperature Protection / Thermal Cutout Tripped
E4
Ascaso coffee machine shows E4 and the pump does not run; no water is drawn from the tank.
Water Level Sensor or Flow Detection Error
E5
Ascaso coffee machine displays E5 and stops brewing; pump may run briefly then shut off.
Brew Circuit Overpressure or Pump Protection Error
E6
Ascaso coffee machine shows E6 and the pump runs but no water exits the group or steam wand.
No Flow / Pump Prime Failure
E7
Ascaso coffee machine displays E7 and grinder does not run when a shot is started (on models with built-in grinder).
Grinder Motor or Grinder Sensor Error
E8
Ascaso coffee machine shows E8 and shuts down; display may flicker or reset.
Low Line Voltage or Power Supply Error
E9
Ascaso coffee machine displays E9 and will not start; sometimes accompanied by a beeping alarm.
General System Fault / Firmware Error
Symptom
Ascaso coffee machine makes very loud rattling or buzzing noise from the pump during brewing.
Vibration Pump Noise / Mounting Issue
Symptom
Ascaso coffee machine powers on but does not heat; no hot water or steam.
Heating Circuit Failure
Symptom
Ascaso coffee machine smells of burning plastic or electrical odor during operation.
Overheating Electrical Component
Symptom
Ascaso coffee machine takes very long to heat up to brewing or steaming temperature.
Slow Heat-Up / Underpowered Heating
Symptom
Ascaso coffee machine's pump is very quiet and no water flows when brew switch is pressed.
Pump Not Energized or Seized
Symptom
Ascaso machine continues to fill boiler and may overflow into drip tray.
Auto-Fill System Overfill
Symptom
Ascaso machine produces a sour or off taste in coffee even after cleaning the portafilter.
Contamination or Temperature Issue
Symptom
Ascaso machine trips the household circuit breaker or RCD when turned on or when heating.
Electrical Short or Ground Fault
Symptom
Ascaso machine vibrates excessively on the counter during brewing or steaming.
Chassis Vibration / Footing Issue
Symptom
Ascaso machine's cup warmer plate does not get warm.
Cup Warmer Heating Failure
Symptom
Ascaso machine's display or indicator lights do not respond correctly to button presses.
User Interface or Keypad Fault
Symptom
Ascaso machine's grinder is jammed and hums without turning.
Grinder Jam / Motor Stall
Symptom
Ascaso machine's grinder runs but does not grind beans effectively (beans bounce, little coffee output).
Grinder Burr or Feed Problem
Symptom
Ascaso machine's pressure gauge reads very high (pegged) during brewing.
Overpressure Indication
Symptom
Ascaso machine's pressure gauge shows no pressure during brewing, but coffee still flows.
Pressure Gauge or Line Fault
Symptom
Ascaso machine's water tank level sensor indicates empty even when the tank is full.
False Empty Tank Detection
Symptom
Hot water tap on Ascaso machine drips or will not shut off completely.
Hot Water Valve Leakage
Symptom
No power: Ascaso coffee machine does not turn on, no lights or display.
Main Power Input Failure
Symptom
No steam: Ascaso machine produces little or no steam pressure from the wand.
Steam Boiler or Steam Circuit Failure
Symptom
Over-extracted coffee: Shots are very slow or choke the machine, with bitter taste.
Excessive Brew Pressure or Flow Restriction
Symptom
Pump runs but no water comes out of the group head on Ascaso machine.
Brew Circuit Blockage
Symptom
Steam wand drips continuously even when the steam knob is fully closed.
Steam Valve Not Sealing
Symptom
Steam wand sprays water and large droplets instead of dry steam, making milk frothing difficult.
Wet Steam / Low Steam Temperature
Symptom
Water leaks from the group head around the portafilter during extraction.
Group Gasket Wear or Portafilter Locking Issue
Symptom
Water leaks from under the Ascaso coffee machine during or after brewing.
Internal Leak in Hydraulic Circuit
Symptom
Weak coffee: Ascaso espresso shots run too fast and taste watery even with normal grind and dose.
Low Brew Pressure or Temperature
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Digital Ascaso coffee machine displays E1 and will not start heating or brewing.
|
Brew Boiler Temperature Sensor Failure | View Details |
| E10 |
Ascaso coffee machine shows E10 and stops brewing mid-shot; water may continue to drip slowly.
|
3-Way Solenoid Valve Stuck or Drain Error | View Details |
| E2 |
Digital Ascaso coffee machine shows E2 and does not produce steam; steam boiler does not heat.
|
Steam Boiler Temperature Sensor Failure | View Details |
| E3 |
Ascaso coffee machine displays E3 and stops heating; temperature overshoots or machine shuts down for safety.
|
Overtemperature Protection / Thermal Cutout Tripped | View Details |
| E4 |
Ascaso coffee machine shows E4 and the pump does not run; no water is drawn from the tank.
|
Water Level Sensor or Flow Detection Error | View Details |
| E5 |
Ascaso coffee machine displays E5 and stops brewing; pump may run briefly then shut off.
|
Brew Circuit Overpressure or Pump Protection Error | View Details |
| E6 |
Ascaso coffee machine shows E6 and the pump runs but no water exits the group or steam wand.
|
No Flow / Pump Prime Failure | View Details |
| E7 |
Ascaso coffee machine displays E7 and grinder does not run when a shot is started (on models with built-in grinder).
|
Grinder Motor or Grinder Sensor Error | View Details |
| E8 |
Ascaso coffee machine shows E8 and shuts down; display may flicker or reset.
|
Low Line Voltage or Power Supply Error | View Details |
| E9 |
Ascaso coffee machine displays E9 and will not start; sometimes accompanied by a beeping alarm.
|
General System Fault / Firmware Error | View Details |
| – |
Ascaso coffee machine makes very loud rattling or buzzing noise from the pump during brewing.
|
Vibration Pump Noise / Mounting Issue | View Details |
| – |
Ascaso coffee machine powers on but does not heat; no hot water or steam.
|
Heating Circuit Failure | View Details |
| – |
Ascaso coffee machine smells of burning plastic or electrical odor during operation.
|
Overheating Electrical Component | View Details |
| – |
Ascaso coffee machine takes very long to heat up to brewing or steaming temperature.
|
Slow Heat-Up / Underpowered Heating | View Details |
| – |
Ascaso coffee machine's pump is very quiet and no water flows when brew switch is pressed.
|
Pump Not Energized or Seized | View Details |
| – |
Ascaso machine continues to fill boiler and may overflow into drip tray.
|
Auto-Fill System Overfill | View Details |
| – |
Ascaso machine produces a sour or off taste in coffee even after cleaning the portafilter.
|
Contamination or Temperature Issue | View Details |
| – |
Ascaso machine trips the household circuit breaker or RCD when turned on or when heating.
|
Electrical Short or Ground Fault | View Details |
| – |
Ascaso machine vibrates excessively on the counter during brewing or steaming.
|
Chassis Vibration / Footing Issue | View Details |
| – |
Ascaso machine's cup warmer plate does not get warm.
|
Cup Warmer Heating Failure | View Details |
| – |
Ascaso machine's display or indicator lights do not respond correctly to button presses.
|
User Interface or Keypad Fault | View Details |
| – |
Ascaso machine's grinder is jammed and hums without turning.
|
Grinder Jam / Motor Stall | View Details |
| – |
Ascaso machine's grinder runs but does not grind beans effectively (beans bounce, little coffee output).
|
Grinder Burr or Feed Problem | View Details |
| – |
Ascaso machine's pressure gauge reads very high (pegged) during brewing.
|
Overpressure Indication | View Details |
| – |
Ascaso machine's pressure gauge shows no pressure during brewing, but coffee still flows.
|
Pressure Gauge or Line Fault | View Details |
| – |
Ascaso machine's water tank level sensor indicates empty even when the tank is full.
|
False Empty Tank Detection | View Details |
| – |
Hot water tap on Ascaso machine drips or will not shut off completely.
|
Hot Water Valve Leakage | View Details |
| – |
No power: Ascaso coffee machine does not turn on, no lights or display.
|
Main Power Input Failure | View Details |
| – |
No steam: Ascaso machine produces little or no steam pressure from the wand.
|
Steam Boiler or Steam Circuit Failure | View Details |
| – |
Over-extracted coffee: Shots are very slow or choke the machine, with bitter taste.
|
Excessive Brew Pressure or Flow Restriction | View Details |
| – |
Pump runs but no water comes out of the group head on Ascaso machine.
|
Brew Circuit Blockage | View Details |
| – |
Steam wand drips continuously even when the steam knob is fully closed.
|
Steam Valve Not Sealing | View Details |
| – |
Steam wand sprays water and large droplets instead of dry steam, making milk frothing difficult.
|
Wet Steam / Low Steam Temperature | View Details |
| – |
Water leaks from the group head around the portafilter during extraction.
|
Group Gasket Wear or Portafilter Locking Issue | View Details |
| – |
Water leaks from under the Ascaso coffee machine during or after brewing.
|
Internal Leak in Hydraulic Circuit | View Details |
| – |
Weak coffee: Ascaso espresso shots run too fast and taste watery even with normal grind and dose.
|
Low Brew Pressure or Temperature | View Details |
No matching codes found
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