Tassimo
Tassimo 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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Cup Icon Flashing
Cup icon flashes and machine will not start; no other icons lit.
Brew Cycle Not Ready / Lid or Disc Detection Fault
Descale
Amber or red descaling indicator light stays on; machine still brews but may be slower or noisier.
Limescale Accumulation Detected
Error 1
Machine will not start a brew; red error light and cup icon flash, sometimes accompanied by a beep.
No Water Supply Detected
Error 10
Red error light and steam symbol; machine overheats or stops mid-brew with excessive steam.
Overtemperature / Thermostat Trip
Error 11
Red error light with cup icon; machine stops immediately when brew button is pressed; faint click heard.
Brew Head Pressure Sensor / Safety Valve Fault
Error 12
Red error light and all LEDs flash; machine becomes unresponsive after a power surge or outage.
Firmware / Control Board Lockup
Error 2
Machine stops mid-brew and shows a red error light; some water in cup but cycle aborts.
Flow Meter or Water Supply Interruption
Error 3
Red error light with cup icon; machine refuses to start brewing even though water tank is full and T DISC is inserted.
Brew Head Not Locked / Lid Switch Not Engaged
Error 4
Red error light and descaling indicator remain on after descaling; machine will not start a normal brew.
Descaling Cycle Not Recognized / Reset Failure
Error 5
Machine powers on but immediately shows red error light; no response to buttons, no pump noise.
Internal Electronics Fault / Self-Test Failure
Error 6
Red error light appears and brew stops; cup overflows or is underfilled compared to normal size.
Volume Measurement / Flow Calibration Error
Error 7
Red error light with water tank icon; machine indicates tank is empty even when full.
Water Level Detection Failure
Error 8
Red error light with cup icon; machine will not start and appears to not recognize T DISC.
Barcode Reader Failure
Error 9
Red error light appears shortly after starting; little or no water dispensed; loud buzzing from pump.
Pump Prime Failure / Air Lock
Red Power Light Only
Only the red power/error light is on; machine does not respond to button presses.
Startup Self-Test Error
Water Tank Icon
Water tank icon illuminated; machine will not start brewing.
Water Tank Not Detected
Symptom
Brew head is difficult to close or open; feels stiff or jams.
Brew Head Mechanism Binding
Symptom
Brewed drink is not hot enough.
Low Brew Temperature
Symptom
Brewed drink volume is much larger than expected; cup may overflow.
Overfill / Flow Meter Miscount
Symptom
Brewed drink volume is much smaller than expected.
Underfill / Restricted Flow
Symptom
Coffee is weak or watery compared to normal.
Under-Extraction / Incorrect Brew Volume
Symptom
Coffee tastes burnt or excessively bitter.
Over-Extraction / Overheating
Symptom
Drip tray overflows frequently during normal use.
Excess Bypass Flow to Drip Tray
Symptom
Little or no coffee comes out; most water seems to go into the drip tray.
Brew Path Blockage / Misrouting
Symptom
Machine does not recognize the service T DISC; cannot start cleaning or descaling program.
Service Disc Detection Failure
Symptom
Machine emits a burning smell during operation.
Overheating or Electrical Insulation Breakdown
Symptom
Machine has a persistent moldy or stale odor.
Biofilm / Residue Build-Up
Symptom
Machine is very loud during brewing; pump noise is much louder than before.
Noisy Pump / Vibration
Symptom
Machine powers on but will not start brewing when the button is pressed; no pump noise.
Start Command Not Registered
Symptom
Machine starts brewing as soon as it is powered on, without pressing the start button.
Stuck Start Button or Control Logic Fault
Symptom
Machine stops mid-brew and all lights go off, then comes back on after a short time.
Thermal Cut-Out or Intermittent Power Loss
Symptom
Machine vibrates excessively during brewing; cup may move on the drip tray.
Excessive Vibration
Symptom
Machine will not power on at all; no lights, no sounds.
No Power / Dead Appliance
Symptom
Steam or hot water escapes from around the brew head during brewing.
Brew Head Seal Failure
Symptom
Used T DISCs are swollen, burst, or leaking grounds into the cup.
Overpressure in T DISC
Symptom
Water leaking from the back or side of the water tank when filled.
Water Tank Crack or Valve Seal Failure
Symptom
Water leaking from under the machine during or after brewing.
Internal Leak / Hose or Seal Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| Cup Icon Flashing |
Cup icon flashes and machine will not start; no other icons lit.
|
Brew Cycle Not Ready / Lid or Disc Detection Fault | View Details |
| Descale |
Amber or red descaling indicator light stays on; machine still brews but may be slower or noisier.
|
Limescale Accumulation Detected | View Details |
| Error 1 |
Machine will not start a brew; red error light and cup icon flash, sometimes accompanied by a beep.
|
No Water Supply Detected | View Details |
| Error 10 |
Red error light and steam symbol; machine overheats or stops mid-brew with excessive steam.
|
Overtemperature / Thermostat Trip | View Details |
| Error 11 |
Red error light with cup icon; machine stops immediately when brew button is pressed; faint click heard.
|
Brew Head Pressure Sensor / Safety Valve Fault | View Details |
| Error 12 |
Red error light and all LEDs flash; machine becomes unresponsive after a power surge or outage.
|
Firmware / Control Board Lockup | View Details |
| Error 2 |
Machine stops mid-brew and shows a red error light; some water in cup but cycle aborts.
|
Flow Meter or Water Supply Interruption | View Details |
| Error 3 |
Red error light with cup icon; machine refuses to start brewing even though water tank is full and T DISC is inserted.
|
Brew Head Not Locked / Lid Switch Not Engaged | View Details |
| Error 4 |
Red error light and descaling indicator remain on after descaling; machine will not start a normal brew.
|
Descaling Cycle Not Recognized / Reset Failure | View Details |
| Error 5 |
Machine powers on but immediately shows red error light; no response to buttons, no pump noise.
|
Internal Electronics Fault / Self-Test Failure | View Details |
| Error 6 |
Red error light appears and brew stops; cup overflows or is underfilled compared to normal size.
|
Volume Measurement / Flow Calibration Error | View Details |
| Error 7 |
Red error light with water tank icon; machine indicates tank is empty even when full.
|
Water Level Detection Failure | View Details |
| Error 8 |
Red error light with cup icon; machine will not start and appears to not recognize T DISC.
|
Barcode Reader Failure | View Details |
| Error 9 |
Red error light appears shortly after starting; little or no water dispensed; loud buzzing from pump.
|
Pump Prime Failure / Air Lock | View Details |
| Red Power Light Only |
Only the red power/error light is on; machine does not respond to button presses.
|
Startup Self-Test Error | View Details |
| Water Tank Icon |
Water tank icon illuminated; machine will not start brewing.
|
Water Tank Not Detected | View Details |
| – |
Brew head is difficult to close or open; feels stiff or jams.
|
Brew Head Mechanism Binding | View Details |
| – |
Brewed drink is not hot enough.
|
Low Brew Temperature | View Details |
| – |
Brewed drink volume is much larger than expected; cup may overflow.
|
Overfill / Flow Meter Miscount | View Details |
| – |
Brewed drink volume is much smaller than expected.
|
Underfill / Restricted Flow | View Details |
| – |
Coffee is weak or watery compared to normal.
|
Under-Extraction / Incorrect Brew Volume | View Details |
| – |
Coffee tastes burnt or excessively bitter.
|
Over-Extraction / Overheating | View Details |
| – |
Drip tray overflows frequently during normal use.
|
Excess Bypass Flow to Drip Tray | View Details |
| – |
Little or no coffee comes out; most water seems to go into the drip tray.
|
Brew Path Blockage / Misrouting | View Details |
| – |
Machine does not recognize the service T DISC; cannot start cleaning or descaling program.
|
Service Disc Detection Failure | View Details |
| – |
Machine emits a burning smell during operation.
|
Overheating or Electrical Insulation Breakdown | View Details |
| – |
Machine has a persistent moldy or stale odor.
|
Biofilm / Residue Build-Up | View Details |
| – |
Machine is very loud during brewing; pump noise is much louder than before.
|
Noisy Pump / Vibration | View Details |
| – |
Machine powers on but will not start brewing when the button is pressed; no pump noise.
|
Start Command Not Registered | View Details |
| – |
Machine starts brewing as soon as it is powered on, without pressing the start button.
|
Stuck Start Button or Control Logic Fault | View Details |
| – |
Machine stops mid-brew and all lights go off, then comes back on after a short time.
|
Thermal Cut-Out or Intermittent Power Loss | View Details |
| – |
Machine vibrates excessively during brewing; cup may move on the drip tray.
|
Excessive Vibration | View Details |
| – |
Machine will not power on at all; no lights, no sounds.
|
No Power / Dead Appliance | View Details |
| – |
Steam or hot water escapes from around the brew head during brewing.
|
Brew Head Seal Failure | View Details |
| – |
Used T DISCs are swollen, burst, or leaking grounds into the cup.
|
Overpressure in T DISC | View Details |
| – |
Water leaking from the back or side of the water tank when filled.
|
Water Tank Crack or Valve Seal Failure | View Details |
| – |
Water leaking from under the machine during or after brewing.
|
Internal Leak / Hose or Seal Failure | View Details |
No matching codes found
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