Chefman 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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ADD WTR
Display shows ADD WTR or a blinking water droplet icon and brewing will not start.
Low Water Level Detection
CLEAN
Display shows CLEAN or a cleaning icon and may prevent brewing until a cleaning cycle is run.
Cleaning Cycle Reminder / Brew Path Contamination
DESC
Display shows DESC or a descaling icon and the coffee maker beeps or flashes until descaling is performed.
Descale Reminder / Scale Buildup Detection
E1
Display shows E1 and the coffee maker will not start a brew cycle.
Water Reservoir Presence/Position Sensor Fault
E2
Display shows E2 and the coffee maker stops mid-brew or will not start.
Overheat / Temperature Sensor (NTC) Fault
E3
Display shows E3 and brewing stops shortly after starting, often with little or no water dispensed.
Flow Meter / Water Flow Sensor Error
E4
Display shows E4 and the coffee maker will not start brewing.
Lid / Brew Head Position Switch Error
E5
Display shows E5 and the unit shuts down or refuses to brew, sometimes after a loud pump noise.
Pump Overload / Dry-Run Protection Error
E6
Display shows E6 and the coffee maker will not heat or brew.
Heating Element / Triac Drive Fault
E7
Display shows E7 and the unit beeps but does not start brewing.
Carafe Presence / Drip Stop Sensor Error
E8
Display shows E8 and the machine shuts off or refuses to start, often after a power surge or outage.
Control Board / Firmware Error
Symptom
Auto-brew (programmed start) does not work even though the time and program are set.
Auto-Brew Logic / Programming Fault
Symptom
Brewed coffee is very bitter or has a burnt taste.
Over-Extraction / Overheating
Symptom
Brewed coffee is weak or watery even when using normal amounts of coffee.
Under-Extraction / Incorrect Brew Temperature or Flow
Symptom
Buttons on the control panel are unresponsive or only work intermittently.
Keypad / Touch Control Failure
Symptom
Carafe lid is difficult to open or close, or does not pour smoothly.
Carafe Lid Mechanism / Seal Issue
Symptom
Clock or timer loses time or resets frequently.
Control Board Timekeeping / Power Loss
Symptom
Coffee drips onto the warming plate even when brewing is finished and the carafe is removed.
Drip-Stop Valve Failure
Symptom
Coffee maker brews extremely slowly or only drips, taking much longer than normal.
Restricted Water Flow / Scale Blockage
Symptom
Coffee maker brews less coffee than selected (e.g., selects 12 cups but only brews 8).
Inaccurate Volume / Flow Meter Calibration Issue
Symptom
Coffee maker does not power on at all; no lights or display.
No Power / Primary Power Circuit Failure
Symptom
Coffee maker emits a burning smell or visible smoke during operation.
Electrical Overheating / Component Failure
Symptom
Coffee maker emits a plastic or chemical smell during first uses.
New Appliance Odor / Residual Manufacturing Oils
Symptom
Coffee maker leaks water from under the unit during or after brewing.
Internal Leak / Tubing or Reservoir Seal Failure
Symptom
Coffee maker makes a hissing or spitting sound and emits excessive steam from the top or sides.
Steam Venting / Overpressure in Brew Path
Symptom
Coffee maker makes loud buzzing or rattling noises during brewing.
Pump Vibration / Cavitation Noise
Symptom
Coffee maker powers on but will not start brewing when the brew button is pressed.
Brew Start Circuit / User Interface Failure
Symptom
Coffee maker turns off mid-brew and does not complete the cycle.
Thermal Cutoff Trip / Overheat Protection
Symptom
Display or indicator lights flicker or reset during brewing.
Power Supply Instability / Loose Connection
Symptom
Filter basket will not stay closed or pops open during brewing.
Filter Basket Latch / Hinge Failure
Symptom
Reusable metal filter collapses or tips over in the basket during brewing.
Filter Support / Fitment Issue
Symptom
Single-serve Chefman coffee maker brews only a small amount of coffee and stops.
Premature Brew Termination / Flow Restriction
Symptom
Single-serve Chefman coffee maker does not puncture pods properly, causing little or no coffee to brew.
Pod Needle / Piercing Assembly Issue
Symptom
Single-serve Chefman coffee maker overfills the cup and spills over.
Cup Size Control / Flow Meter Error
Symptom
Warming plate does not heat or keep coffee warm after brewing.
Warming Plate Heater / Thermostat Failure
Symptom
Warming plate stays hot for too long or does not turn off automatically.
Auto-Off Control / Thermostat Stuck Closed
Symptom
Water leaks from around the top of the carafe or filter basket during brewing.
Brew Basket Overflow / Seal Misalignment
Symptom
Water reservoir drains even when the coffee maker is off, causing water to appear on the warming plate or counter.
Reservoir Check Valve / Seal Failure
Symptom
Water reservoir level does not decrease during brewing; little or no water is drawn.
Inlet Blockage / Pump Not Priming
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| ADD WTR |
Display shows ADD WTR or a blinking water droplet icon and brewing will not start.
|
Low Water Level Detection | View Details |
| CLEAN |
Display shows CLEAN or a cleaning icon and may prevent brewing until a cleaning cycle is run.
|
Cleaning Cycle Reminder / Brew Path Contamination | View Details |
| DESC |
Display shows DESC or a descaling icon and the coffee maker beeps or flashes until descaling is performed.
|
Descale Reminder / Scale Buildup Detection | View Details |
| E1 |
Display shows E1 and the coffee maker will not start a brew cycle.
|
Water Reservoir Presence/Position Sensor Fault | View Details |
| E2 |
Display shows E2 and the coffee maker stops mid-brew or will not start.
|
Overheat / Temperature Sensor (NTC) Fault | View Details |
| E3 |
Display shows E3 and brewing stops shortly after starting, often with little or no water dispensed.
|
Flow Meter / Water Flow Sensor Error | View Details |
| E4 |
Display shows E4 and the coffee maker will not start brewing.
|
Lid / Brew Head Position Switch Error | View Details |
| E5 |
Display shows E5 and the unit shuts down or refuses to brew, sometimes after a loud pump noise.
|
Pump Overload / Dry-Run Protection Error | View Details |
| E6 |
Display shows E6 and the coffee maker will not heat or brew.
|
Heating Element / Triac Drive Fault | View Details |
| E7 |
Display shows E7 and the unit beeps but does not start brewing.
|
Carafe Presence / Drip Stop Sensor Error | View Details |
| E8 |
Display shows E8 and the machine shuts off or refuses to start, often after a power surge or outage.
|
Control Board / Firmware Error | View Details |
| – |
Auto-brew (programmed start) does not work even though the time and program are set.
|
Auto-Brew Logic / Programming Fault | View Details |
| – |
Brewed coffee is very bitter or has a burnt taste.
|
Over-Extraction / Overheating | View Details |
| – |
Brewed coffee is weak or watery even when using normal amounts of coffee.
|
Under-Extraction / Incorrect Brew Temperature or Flow | View Details |
| – |
Buttons on the control panel are unresponsive or only work intermittently.
|
Keypad / Touch Control Failure | View Details |
| – |
Carafe lid is difficult to open or close, or does not pour smoothly.
|
Carafe Lid Mechanism / Seal Issue | View Details |
| – |
Clock or timer loses time or resets frequently.
|
Control Board Timekeeping / Power Loss | View Details |
| – |
Coffee drips onto the warming plate even when brewing is finished and the carafe is removed.
|
Drip-Stop Valve Failure | View Details |
| – |
Coffee maker brews extremely slowly or only drips, taking much longer than normal.
|
Restricted Water Flow / Scale Blockage | View Details |
| – |
Coffee maker brews less coffee than selected (e.g., selects 12 cups but only brews 8).
|
Inaccurate Volume / Flow Meter Calibration Issue | View Details |
| – |
Coffee maker does not power on at all; no lights or display.
|
No Power / Primary Power Circuit Failure | View Details |
| – |
Coffee maker emits a burning smell or visible smoke during operation.
|
Electrical Overheating / Component Failure | View Details |
| – |
Coffee maker emits a plastic or chemical smell during first uses.
|
New Appliance Odor / Residual Manufacturing Oils | View Details |
| – |
Coffee maker leaks water from under the unit during or after brewing.
|
Internal Leak / Tubing or Reservoir Seal Failure | View Details |
| – |
Coffee maker makes a hissing or spitting sound and emits excessive steam from the top or sides.
|
Steam Venting / Overpressure in Brew Path | View Details |
| – |
Coffee maker makes loud buzzing or rattling noises during brewing.
|
Pump Vibration / Cavitation Noise | View Details |
| – |
Coffee maker powers on but will not start brewing when the brew button is pressed.
|
Brew Start Circuit / User Interface Failure | View Details |
| – |
Coffee maker turns off mid-brew and does not complete the cycle.
|
Thermal Cutoff Trip / Overheat Protection | View Details |
| – |
Display or indicator lights flicker or reset during brewing.
|
Power Supply Instability / Loose Connection | View Details |
| – |
Filter basket will not stay closed or pops open during brewing.
|
Filter Basket Latch / Hinge Failure | View Details |
| – |
Reusable metal filter collapses or tips over in the basket during brewing.
|
Filter Support / Fitment Issue | View Details |
| – |
Single-serve Chefman coffee maker brews only a small amount of coffee and stops.
|
Premature Brew Termination / Flow Restriction | View Details |
| – |
Single-serve Chefman coffee maker does not puncture pods properly, causing little or no coffee to brew.
|
Pod Needle / Piercing Assembly Issue | View Details |
| – |
Single-serve Chefman coffee maker overfills the cup and spills over.
|
Cup Size Control / Flow Meter Error | View Details |
| – |
Warming plate does not heat or keep coffee warm after brewing.
|
Warming Plate Heater / Thermostat Failure | View Details |
| – |
Warming plate stays hot for too long or does not turn off automatically.
|
Auto-Off Control / Thermostat Stuck Closed | View Details |
| – |
Water leaks from around the top of the carafe or filter basket during brewing.
|
Brew Basket Overflow / Seal Misalignment | View Details |
| – |
Water reservoir drains even when the coffee maker is off, causing water to appear on the warming plate or counter.
|
Reservoir Check Valve / Seal Failure | View Details |
| – |
Water reservoir level does not decrease during brewing; little or no water is drawn.
|
Inlet Blockage / Pump Not Priming | View Details |
No matching codes found
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