Siemens 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 coffee cycle, display shows E01 shortly after power-on.
Flowmeter / Water Supply Fault
E02
Machine stops during heating phase, display shows E02 and no coffee is dispensed.
Thermal Sensor / NTC Fault on Thermoblock
E03
Machine does not heat water or steam, display shows E03 and brewing is blocked.
Heating Circuit / Thermoblock Failure
E04
Display shows E04 and brewing stops; sometimes accompanied by unusual pump noise.
Pump / Overpressure or No-Flow Condition
E05
Machine displays E05 and will not brew; often occurs after a descaling or cleaning cycle.
Steam / Temperature Sensor Fault (Steam Circuit)
E06
Display shows E06, brew unit does not move, and the machine may make a brief clicking sound.
Brew Unit Drive Motor / Positioning Fault
E07
Machine shows E07 and stops; sometimes accompanied by water leaking into the drip tray instead of the cup.
Brew Unit / Drain Valve Position Fault
E08
Display shows E08 and the grinder does not run or stops quickly during grinding.
Grinder Motor / Overload Fault
E09
Machine shows E09 and will not brew; water may leak internally or into the drip tray.
Hydraulic System Leak / Pressure Loss
E10
Display shows E10 and the milk system does not function correctly (no foam or no milk flow).
Milk System / Flow or Sensor Fault
E11
Machine displays E11 and does not recognize the water tank or reports it as empty even when full.
Water Tank Presence / Level Detection Fault
E12
Display shows E12 and the machine may shut down unexpectedly during operation.
Overheating / Thermal Cutout Activation
E13
Machine shows E13 and may not complete self-test; sometimes the brew unit cannot be inserted or removed.
Brew Unit Lock / Home Position Fault
E14
Display shows E14 and the machine may not power up fully or may reboot repeatedly.
Power Supply / Low Voltage Fault
E15
Machine shows E15 and may not start; often associated with water detected in the base of the appliance.
Base Leak / Safety Float Switch Activation
E16
Display shows E16 and the grinder runs but no ground coffee reaches the brew unit (or very little).
Grinder Dosing / Chute Blockage
E17
Machine shows E17 and does not respond correctly to button presses or touch inputs.
User Interface / Keypad Fault
E18
Display shows E18 and the machine cannot complete a rinse or cleaning cycle.
Rinse / Cleaning Program Fault
E19
Machine shows E19 and may not switch correctly between coffee and steam functions.
Diverter / Solenoid Valve Position Fault
E20
Display shows E20 and the machine may not complete startup self-test.
General Internal Communication Fault
Symptom
Coffee is very bitter, harsh, or tastes burnt.
Over-Extraction / Excessive Brew Temperature
Symptom
Coffee is weak, watery, or tastes under-extracted even at normal strength settings.
Under-Extraction / Incorrect Brewing Parameters
Symptom
Display is very dim, flickering, or partially unreadable.
Display / Backlight Degradation
Symptom
Display repeatedly asks to empty drip tray or grounds container even when they are empty.
Drip Tray / Grounds Container Detection Fault
Symptom
Display shows 'Empty coffee grounds' but container is nearly empty or just inserted.
Coffee Grounds Counter / Sensor Issue
Symptom
Display shows 'Fill water tank' even though the tank is full.
Water Level Detection Issue
Symptom
Grinder runs but produces very little or no ground coffee; beans remain in hopper.
Grinder Slipping / Burr Wear
Symptom
Ground coffee appears too coarse or too fine regardless of grind setting changes.
Grind Adjustment Mechanism Failure
Symptom
Machine emits a burning smell or visible smoke during operation.
Electrical Overheating / Component Failure
Symptom
Machine frequently requests descaling or cleaning even after the procedure is completed.
Maintenance Program / Sensor or Software Issue
Symptom
Machine leaks water under the appliance or onto the counter during or after brewing.
External Water Leak
Symptom
Machine makes loud knocking, grinding, or squealing noises during brewing.
Mechanical Noise / Drive or Grinder Wear
Symptom
Machine powers on but does not start brewing when a coffee button is pressed.
Start Inhibit / Safety Interlock Not Satisfied
Symptom
Machine produces unusual tastes or odors in coffee, even after cleaning.
Taste / Odor Contamination
Symptom
Machine vibrates excessively or moves on the counter during brewing.
Excessive Vibration / Mechanical Imbalance
Symptom
Machine will not power on at all; no lights or display.
No Power / Dead Appliance
Symptom
Milk froth is poor, large bubbles, or only hot milk is dispensed.
Milk Frothing Performance Issue
Symptom
No steam or hot water from the steam wand or hot-water outlet.
Steam Circuit Blockage
Symptom
Pump is very loud and coffee flow is slow or intermittent.
Restricted Water Flow / Pump Cavitation
Symptom
Water collects excessively in the drip tray after each coffee; very little coffee reaches the cup.
Internal Bypass / Drain Valve Leakage
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Machine will not start a coffee cycle, display shows E01 shortly after power-on.
|
Flowmeter / Water Supply Fault | View Details |
| E02 |
Machine stops during heating phase, display shows E02 and no coffee is dispensed.
|
Thermal Sensor / NTC Fault on Thermoblock | View Details |
| E03 |
Machine does not heat water or steam, display shows E03 and brewing is blocked.
|
Heating Circuit / Thermoblock Failure | View Details |
| E04 |
Display shows E04 and brewing stops; sometimes accompanied by unusual pump noise.
|
Pump / Overpressure or No-Flow Condition | View Details |
| E05 |
Machine displays E05 and will not brew; often occurs after a descaling or cleaning cycle.
|
Steam / Temperature Sensor Fault (Steam Circuit) | View Details |
| E06 |
Display shows E06, brew unit does not move, and the machine may make a brief clicking sound.
|
Brew Unit Drive Motor / Positioning Fault | View Details |
| E07 |
Machine shows E07 and stops; sometimes accompanied by water leaking into the drip tray instead of the cup.
|
Brew Unit / Drain Valve Position Fault | View Details |
| E08 |
Display shows E08 and the grinder does not run or stops quickly during grinding.
|
Grinder Motor / Overload Fault | View Details |
| E09 |
Machine shows E09 and will not brew; water may leak internally or into the drip tray.
|
Hydraulic System Leak / Pressure Loss | View Details |
| E10 |
Display shows E10 and the milk system does not function correctly (no foam or no milk flow).
|
Milk System / Flow or Sensor Fault | View Details |
| E11 |
Machine displays E11 and does not recognize the water tank or reports it as empty even when full.
|
Water Tank Presence / Level Detection Fault | View Details |
| E12 |
Display shows E12 and the machine may shut down unexpectedly during operation.
|
Overheating / Thermal Cutout Activation | View Details |
| E13 |
Machine shows E13 and may not complete self-test; sometimes the brew unit cannot be inserted or removed.
|
Brew Unit Lock / Home Position Fault | View Details |
| E14 |
Display shows E14 and the machine may not power up fully or may reboot repeatedly.
|
Power Supply / Low Voltage Fault | View Details |
| E15 |
Machine shows E15 and may not start; often associated with water detected in the base of the appliance.
|
Base Leak / Safety Float Switch Activation | View Details |
| E16 |
Display shows E16 and the grinder runs but no ground coffee reaches the brew unit (or very little).
|
Grinder Dosing / Chute Blockage | View Details |
| E17 |
Machine shows E17 and does not respond correctly to button presses or touch inputs.
|
User Interface / Keypad Fault | View Details |
| E18 |
Display shows E18 and the machine cannot complete a rinse or cleaning cycle.
|
Rinse / Cleaning Program Fault | View Details |
| E19 |
Machine shows E19 and may not switch correctly between coffee and steam functions.
|
Diverter / Solenoid Valve Position Fault | View Details |
| E20 |
Display shows E20 and the machine may not complete startup self-test.
|
General Internal Communication Fault | View Details |
| – |
Coffee is very bitter, harsh, or tastes burnt.
|
Over-Extraction / Excessive Brew Temperature | View Details |
| – |
Coffee is weak, watery, or tastes under-extracted even at normal strength settings.
|
Under-Extraction / Incorrect Brewing Parameters | View Details |
| – |
Display is very dim, flickering, or partially unreadable.
|
Display / Backlight Degradation | View Details |
| – |
Display repeatedly asks to empty drip tray or grounds container even when they are empty.
|
Drip Tray / Grounds Container Detection Fault | View Details |
| – |
Display shows 'Empty coffee grounds' but container is nearly empty or just inserted.
|
Coffee Grounds Counter / Sensor Issue | View Details |
| – |
Display shows 'Fill water tank' even though the tank is full.
|
Water Level Detection Issue | View Details |
| – |
Grinder runs but produces very little or no ground coffee; beans remain in hopper.
|
Grinder Slipping / Burr Wear | View Details |
| – |
Ground coffee appears too coarse or too fine regardless of grind setting changes.
|
Grind Adjustment Mechanism Failure | View Details |
| – |
Machine emits a burning smell or visible smoke during operation.
|
Electrical Overheating / Component Failure | View Details |
| – |
Machine frequently requests descaling or cleaning even after the procedure is completed.
|
Maintenance Program / Sensor or Software Issue | View Details |
| – |
Machine leaks water under the appliance or onto the counter during or after brewing.
|
External Water Leak | View Details |
| – |
Machine makes loud knocking, grinding, or squealing noises during brewing.
|
Mechanical Noise / Drive or Grinder Wear | View Details |
| – |
Machine powers on but does not start brewing when a coffee button is pressed.
|
Start Inhibit / Safety Interlock Not Satisfied | View Details |
| – |
Machine produces unusual tastes or odors in coffee, even after cleaning.
|
Taste / Odor Contamination | View Details |
| – |
Machine vibrates excessively or moves on the counter during brewing.
|
Excessive Vibration / Mechanical Imbalance | View Details |
| – |
Machine will not power on at all; no lights or display.
|
No Power / Dead Appliance | View Details |
| – |
Milk froth is poor, large bubbles, or only hot milk is dispensed.
|
Milk Frothing Performance Issue | View Details |
| – |
No steam or hot water from the steam wand or hot-water outlet.
|
Steam Circuit Blockage | View Details |
| – |
Pump is very loud and coffee flow is slow or intermittent.
|
Restricted Water Flow / Pump Cavitation | View Details |
| – |
Water collects excessively in the drip tray after each coffee; very little coffee reaches the cup.
|
Internal Bypass / Drain Valve Leakage | View Details |
No matching codes found
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