Melitta
Melitta 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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F1
Display shows F1 and the Melitta fully automatic coffee machine will not start a brewing cycle.
Flowmeter Signal Fault
F10
Display shows F10 and the machine cannot detect the water tank correctly.
Water Tank Detection Fault
F11
Display shows F11 and the machine reports a milk system error or cannot froth milk.
Milk Frother / Steam Circuit Fault
F12
Display shows F12 and the machine cannot detect the drip tray or waste container correctly.
Drip Tray / Waste Container Sensor Fault
F13
Display shows F13 and the machine reports a steam temperature or steam circuit error.
Steam Thermostat / NTC Fault
F14
Display shows F14 and the machine cannot complete a self-test or startup sequence.
General Mechanical Self-Test Failure
F15
Display shows F15 and the machine indicates a communication error between modules.
Internal Communication Bus Error
F2
Display shows F2 and the Melitta coffee machine stops brewing shortly after starting.
Thermal Sensor / NTC Fault
F3
Display shows F3 and the machine does not heat water or steam properly.
Heating Circuit Failure
F4
Display shows F4 and the Melitta coffee machine stops mid-cycle or will not start brewing.
Brew Group Drive Motor Fault
F5
Display shows F5 and the machine cannot complete a rinse or brewing cycle.
Brew Group Positioning Error
F6
Display shows F6 and the machine does not pump water or stops with an error shortly after starting.
Pump / Pressure System Fault
F7
Display shows F7 and the grinder does not run or stops quickly during grinding.
Grinder Motor / Load Fault
F8
Display shows F8 and the machine cannot detect or move the brew group correctly.
Brew Group Sensor / Encoder Fault
F9
Display shows F9 and the machine reports a general electronics fault.
Control Board / Firmware Error
Symptom
Buttons on the control panel do not respond or respond intermittently.
Keypad / Touch Control Failure
Symptom
Coffee is too strong, bitter, or over-extracted.
Over-Extraction / Excessive Brew Strength
Symptom
Coffee is very weak or watery even on the strongest setting.
Weak Coffee / Under-Extraction
Symptom
Coffee temperature is excessively high, causing scalding or burnt taste.
Overheating Brew Temperature
Symptom
Coffee temperature is too low even after preheating cups.
Low Brew Temperature
Symptom
Display is blank or very dim, but the machine appears to have power (e.g., pump or heater can be heard).
Display / User Interface Failure
Symptom
Grinder is extremely loud, squealing, or grinding metal-on-metal.
Abnormal Grinder Noise / Mechanical Damage
Symptom
Grinder runs but no beans are ground; cups are filled with hot water only.
No Coffee Dose / Grinder Feeding Issue
Symptom
Machine displays 'Add beans' or shows a bean symbol even though the hopper is full.
Bean Level / Grinder Load Detection Error
Symptom
Machine displays 'Clean' or 'Service' indicating the brew unit cleaning program is due.
Brew Group Cleaning Required
Symptom
Machine displays 'Descale' or 'Calc' and will not brew until descaling is performed.
Descaling Cycle Required (Limescale Accumulation)
Symptom
Machine displays 'Empty drip tray' even after the drip tray and grounds container have been emptied and reinserted.
False Drip Tray / Grounds Container Detection
Symptom
Machine displays 'Empty grounds container' after only a few coffees or when container is nearly empty.
Premature Grounds Container Full Detection
Symptom
Machine displays 'Fill water tank' even though the Melitta water tank is full and correctly inserted.
False Low Water Level Detection
Symptom
Machine displays 'Insert brew unit' even though the brew group is installed.
Brew Group Presence Detection Failure
Symptom
Machine emits a burning smell during operation.
Overheating or Electrical Burning
Symptom
Machine frequently asks to perform rinsing or cleaning cycles more often than expected.
Excessive Rinse/Clean Prompts
Symptom
Machine leaks water under the unit during or after brewing.
Internal Water Leak
Symptom
Machine makes loud knocking or clicking noises during brewing.
Abnormal Mechanical Noise from Brew Group
Symptom
Machine powers on but will not start brewing when the coffee button is pressed.
No Brew Start / User Interface or Safety Interlock Issue
Symptom
Machine trips the household circuit breaker or RCD when turned on or during brewing.
Electrical Short or Ground Fault
Symptom
Machine turns off by itself during brewing or shortly after starting.
Unexpected Power-Off / Overheat or Power Supply Issue
Symptom
Machine vibrates excessively or moves on the countertop during brewing.
Excessive Vibration
Symptom
Milk froth is very poor, mostly liquid milk with little foam.
Poor Milk Frothing Performance
Symptom
Milk frother does not draw milk at all; only steam or hot water comes out.
No Milk Suction
Symptom
Steam wand or milk frother spits water and large droplets instead of dry steam.
Wet Steam / Condensation in Steam Circuit
Symptom
Used coffee grounds are very wet and sludgy in the grounds container.
Wet Pucks / Poor Compression
Symptom
Water leaks from the front of the machine around the coffee spouts or door.
Front Leak / Brew Group or Spout Seal Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| F1 |
Display shows F1 and the Melitta fully automatic coffee machine will not start a brewing cycle.
|
Flowmeter Signal Fault | View Details |
| F10 |
Display shows F10 and the machine cannot detect the water tank correctly.
|
Water Tank Detection Fault | View Details |
| F11 |
Display shows F11 and the machine reports a milk system error or cannot froth milk.
|
Milk Frother / Steam Circuit Fault | View Details |
| F12 |
Display shows F12 and the machine cannot detect the drip tray or waste container correctly.
|
Drip Tray / Waste Container Sensor Fault | View Details |
| F13 |
Display shows F13 and the machine reports a steam temperature or steam circuit error.
|
Steam Thermostat / NTC Fault | View Details |
| F14 |
Display shows F14 and the machine cannot complete a self-test or startup sequence.
|
General Mechanical Self-Test Failure | View Details |
| F15 |
Display shows F15 and the machine indicates a communication error between modules.
|
Internal Communication Bus Error | View Details |
| F2 |
Display shows F2 and the Melitta coffee machine stops brewing shortly after starting.
|
Thermal Sensor / NTC Fault | View Details |
| F3 |
Display shows F3 and the machine does not heat water or steam properly.
|
Heating Circuit Failure | View Details |
| F4 |
Display shows F4 and the Melitta coffee machine stops mid-cycle or will not start brewing.
|
Brew Group Drive Motor Fault | View Details |
| F5 |
Display shows F5 and the machine cannot complete a rinse or brewing cycle.
|
Brew Group Positioning Error | View Details |
| F6 |
Display shows F6 and the machine does not pump water or stops with an error shortly after starting.
|
Pump / Pressure System Fault | View Details |
| F7 |
Display shows F7 and the grinder does not run or stops quickly during grinding.
|
Grinder Motor / Load Fault | View Details |
| F8 |
Display shows F8 and the machine cannot detect or move the brew group correctly.
|
Brew Group Sensor / Encoder Fault | View Details |
| F9 |
Display shows F9 and the machine reports a general electronics fault.
|
Control Board / Firmware Error | View Details |
| – |
Buttons on the control panel do not respond or respond intermittently.
|
Keypad / Touch Control Failure | View Details |
| – |
Coffee is too strong, bitter, or over-extracted.
|
Over-Extraction / Excessive Brew Strength | View Details |
| – |
Coffee is very weak or watery even on the strongest setting.
|
Weak Coffee / Under-Extraction | View Details |
| – |
Coffee temperature is excessively high, causing scalding or burnt taste.
|
Overheating Brew Temperature | View Details |
| – |
Coffee temperature is too low even after preheating cups.
|
Low Brew Temperature | View Details |
| – |
Display is blank or very dim, but the machine appears to have power (e.g., pump or heater can be heard).
|
Display / User Interface Failure | View Details |
| – |
Grinder is extremely loud, squealing, or grinding metal-on-metal.
|
Abnormal Grinder Noise / Mechanical Damage | View Details |
| – |
Grinder runs but no beans are ground; cups are filled with hot water only.
|
No Coffee Dose / Grinder Feeding Issue | View Details |
| – |
Machine displays 'Add beans' or shows a bean symbol even though the hopper is full.
|
Bean Level / Grinder Load Detection Error | View Details |
| – |
Machine displays 'Clean' or 'Service' indicating the brew unit cleaning program is due.
|
Brew Group Cleaning Required | View Details |
| – |
Machine displays 'Descale' or 'Calc' and will not brew until descaling is performed.
|
Descaling Cycle Required (Limescale Accumulation) | View Details |
| – |
Machine displays 'Empty drip tray' even after the drip tray and grounds container have been emptied and reinserted.
|
False Drip Tray / Grounds Container Detection | View Details |
| – |
Machine displays 'Empty grounds container' after only a few coffees or when container is nearly empty.
|
Premature Grounds Container Full Detection | View Details |
| – |
Machine displays 'Fill water tank' even though the Melitta water tank is full and correctly inserted.
|
False Low Water Level Detection | View Details |
| – |
Machine displays 'Insert brew unit' even though the brew group is installed.
|
Brew Group Presence Detection Failure | View Details |
| – |
Machine emits a burning smell during operation.
|
Overheating or Electrical Burning | View Details |
| – |
Machine frequently asks to perform rinsing or cleaning cycles more often than expected.
|
Excessive Rinse/Clean Prompts | View Details |
| – |
Machine leaks water under the unit during or after brewing.
|
Internal Water Leak | View Details |
| – |
Machine makes loud knocking or clicking noises during brewing.
|
Abnormal Mechanical Noise from Brew Group | View Details |
| – |
Machine powers on but will not start brewing when the coffee button is pressed.
|
No Brew Start / User Interface or Safety Interlock Issue | View Details |
| – |
Machine trips the household circuit breaker or RCD when turned on or during brewing.
|
Electrical Short or Ground Fault | View Details |
| – |
Machine turns off by itself during brewing or shortly after starting.
|
Unexpected Power-Off / Overheat or Power Supply Issue | View Details |
| – |
Machine vibrates excessively or moves on the countertop during brewing.
|
Excessive Vibration | View Details |
| – |
Milk froth is very poor, mostly liquid milk with little foam.
|
Poor Milk Frothing Performance | View Details |
| – |
Milk frother does not draw milk at all; only steam or hot water comes out.
|
No Milk Suction | View Details |
| – |
Steam wand or milk frother spits water and large droplets instead of dry steam.
|
Wet Steam / Condensation in Steam Circuit | View Details |
| – |
Used coffee grounds are very wet and sludgy in the grounds container.
|
Wet Pucks / Poor Compression | View Details |
| – |
Water leaks from the front of the machine around the coffee spouts or door.
|
Front Leak / Brew Group or Spout Seal Failure | View Details |
No matching codes found
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