Hamilton Beach 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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AUTO OFF
Display shows “AUTO OFF” or the unit shuts off after a short time and will not keep the plate warm as expected.
Automatic Shutoff / Timer Function
CLEAN
“CLEAN” or “CLEAN” indicator light stays on or flashes and the coffee maker beeps but will not start a normal brew.
Descale / Cleaning Cycle Required
CLEAN FLASHING
“CLEAN” light flashes continuously and the coffee maker stops mid-cycle or refuses to start a normal brew.
Severe Scale Detected / Flow Restriction
CLOCK FLASHING
Clock display flashes continuously and programmed brew times do not work.
Loss of Time / Power Interruption
E1
Display shows “E1” and the single-serve side of a FlexBrew coffee maker will not brew.
Single-Serve Temperature Sensor Error
E2
Display shows “E2” on a FlexBrew or digital Hamilton Beach coffee maker and brewing stops.
Overtemperature / Sensor Out of Range
E3
Display shows “E3” and the single-serve side of a FlexBrew does not pump water.
Single-Serve Pump / Flow Error
E4
Display shows “E4” and the coffee maker shuts down shortly after starting.
Internal Electronics / Power Supply Error
ERR
Display shows “ERR” and the coffee maker will not start a brew cycle.
General Control Board Error
ERR1
Display shows “ERR1” and the coffee maker will not brew.
Temperature Sensor (Thermistor) Fault
ERR2
Display shows “ERR2” and the unit shuts off or refuses to start a brew.
Overheat / Boil Dry Protection Triggered
ERR3
Display shows “ERR3” and the coffee maker beeps and stops.
Brew Basket / Lid Not Properly Closed (Safety Interlock)
ERR4
Display shows “ERR4” and the unit powers on but will not heat or brew.
Heater Circuit Failure
H2O
Display shows “H2O” and the coffee maker beeps without brewing.
Low Water / No Water Detected
NO H2O
Display shows “NO H2O” or similar message and the unit stops brewing shortly after starting.
Water Flow Not Detected
Symptom
Auto-brew function does not start at the programmed time.
Timer / Programming Fault
Symptom
Buttons on the control panel are unresponsive or require very hard pressing.
Keypad Membrane Wear / Contamination
Symptom
Carafe overflows even though the water level is within the markings.
Incorrect Carafe Position or Drip Stop Malfunction
Symptom
Coffee maker brews extremely slowly or takes much longer than normal to complete a pot.
Restricted Water Flow / Partial Clog
Symptom
Coffee maker emits a burning smell or visible smoke.
Electrical Overheating / Component Failure
Symptom
Coffee maker leaks water from the bottom of the unit onto the counter.
Internal Leak / Cracked Tubing or Reservoir Seal Failure
Symptom
Coffee maker makes loud gurgling or sputtering noises during brewing.
Air in Water Line / Normal Percolation Noise Exaggerated by Scale
Symptom
Coffee maker powers on but will not start brewing when the BREW button is pressed.
Brew Start / Keypad Input Failure
Symptom
Coffee maker produces a plastic or chemical smell during brewing.
Off-Gassing of New Components / Residual Manufacturing Oils
Symptom
Coffee maker starts brewing then stops mid-cycle and shuts off.
Intermittent Power or Overheat Shutdown
Symptom
Coffee maker will not power on at all (no lights, no display).
No Power / Dead Unit
Symptom
Coffee tastes bitter or burnt.
Over-Extraction / Overheating on Warming Plate
Symptom
Coffee tastes weak or watery even when using normal amounts of coffee.
Under-Extraction / Incorrect Brew Strength
Symptom
Condensation or water droplets appear inside the display or control panel.
Moisture Intrusion into Control Panel
Symptom
Display and lights flicker or reset during brewing.
Intermittent Power / Voltage Drop
Symptom
Display is very dim or partially missing segments.
Display Module Degradation / Poor Connection
Symptom
Single-serve side brews only a small amount of coffee, then stops.
Flow Restriction in Single-Serve Path
Symptom
Single-serve side of FlexBrew does not puncture K-Cup or pod properly.
Piercing Needle Misalignment / Dull Needle
Symptom
Single-serve side of FlexBrew leaks water or coffee around the pod holder.
Single-Serve Seal Failure / Needle Gasket Wear
Symptom
Unit vibrates excessively or rattles loudly during brewing.
Mechanical Vibration / Loose Components
Symptom
Warming plate does not heat or keep coffee warm after brewing.
Warming Plate Heater Failure
Symptom
Warming plate stays hot for hours or does not shut off as expected.
Warming Plate Stuck On
Symptom
Water leaks from around the brew basket area during brewing.
Brew Basket Overflow / Seal Leak
Symptom
Water remains in the reservoir and does not drain during brewing.
Reservoir Outlet Blockage
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| AUTO OFF |
Display shows “AUTO OFF” or the unit shuts off after a short time and will not keep the plate warm as expected.
|
Automatic Shutoff / Timer Function | View Details |
| CLEAN |
“CLEAN” or “CLEAN” indicator light stays on or flashes and the coffee maker beeps but will not start a normal brew.
|
Descale / Cleaning Cycle Required | View Details |
| CLEAN FLASHING |
“CLEAN” light flashes continuously and the coffee maker stops mid-cycle or refuses to start a normal brew.
|
Severe Scale Detected / Flow Restriction | View Details |
| CLOCK FLASHING |
Clock display flashes continuously and programmed brew times do not work.
|
Loss of Time / Power Interruption | View Details |
| E1 |
Display shows “E1” and the single-serve side of a FlexBrew coffee maker will not brew.
|
Single-Serve Temperature Sensor Error | View Details |
| E2 |
Display shows “E2” on a FlexBrew or digital Hamilton Beach coffee maker and brewing stops.
|
Overtemperature / Sensor Out of Range | View Details |
| E3 |
Display shows “E3” and the single-serve side of a FlexBrew does not pump water.
|
Single-Serve Pump / Flow Error | View Details |
| E4 |
Display shows “E4” and the coffee maker shuts down shortly after starting.
|
Internal Electronics / Power Supply Error | View Details |
| ERR |
Display shows “ERR” and the coffee maker will not start a brew cycle.
|
General Control Board Error | View Details |
| ERR1 |
Display shows “ERR1” and the coffee maker will not brew.
|
Temperature Sensor (Thermistor) Fault | View Details |
| ERR2 |
Display shows “ERR2” and the unit shuts off or refuses to start a brew.
|
Overheat / Boil Dry Protection Triggered | View Details |
| ERR3 |
Display shows “ERR3” and the coffee maker beeps and stops.
|
Brew Basket / Lid Not Properly Closed (Safety Interlock) | View Details |
| ERR4 |
Display shows “ERR4” and the unit powers on but will not heat or brew.
|
Heater Circuit Failure | View Details |
| H2O |
Display shows “H2O” and the coffee maker beeps without brewing.
|
Low Water / No Water Detected | View Details |
| NO H2O |
Display shows “NO H2O” or similar message and the unit stops brewing shortly after starting.
|
Water Flow Not Detected | View Details |
| – |
Auto-brew function does not start at the programmed time.
|
Timer / Programming Fault | View Details |
| – |
Buttons on the control panel are unresponsive or require very hard pressing.
|
Keypad Membrane Wear / Contamination | View Details |
| – |
Carafe overflows even though the water level is within the markings.
|
Incorrect Carafe Position or Drip Stop Malfunction | View Details |
| – |
Coffee maker brews extremely slowly or takes much longer than normal to complete a pot.
|
Restricted Water Flow / Partial Clog | View Details |
| – |
Coffee maker emits a burning smell or visible smoke.
|
Electrical Overheating / Component Failure | View Details |
| – |
Coffee maker leaks water from the bottom of the unit onto the counter.
|
Internal Leak / Cracked Tubing or Reservoir Seal Failure | View Details |
| – |
Coffee maker makes loud gurgling or sputtering noises during brewing.
|
Air in Water Line / Normal Percolation Noise Exaggerated by Scale | View Details |
| – |
Coffee maker powers on but will not start brewing when the BREW button is pressed.
|
Brew Start / Keypad Input Failure | View Details |
| – |
Coffee maker produces a plastic or chemical smell during brewing.
|
Off-Gassing of New Components / Residual Manufacturing Oils | View Details |
| – |
Coffee maker starts brewing then stops mid-cycle and shuts off.
|
Intermittent Power or Overheat Shutdown | View Details |
| – |
Coffee maker will not power on at all (no lights, no display).
|
No Power / Dead Unit | View Details |
| – |
Coffee tastes bitter or burnt.
|
Over-Extraction / Overheating on Warming Plate | View Details |
| – |
Coffee tastes weak or watery even when using normal amounts of coffee.
|
Under-Extraction / Incorrect Brew Strength | View Details |
| – |
Condensation or water droplets appear inside the display or control panel.
|
Moisture Intrusion into Control Panel | View Details |
| – |
Display and lights flicker or reset during brewing.
|
Intermittent Power / Voltage Drop | View Details |
| – |
Display is very dim or partially missing segments.
|
Display Module Degradation / Poor Connection | View Details |
| – |
Single-serve side brews only a small amount of coffee, then stops.
|
Flow Restriction in Single-Serve Path | View Details |
| – |
Single-serve side of FlexBrew does not puncture K-Cup or pod properly.
|
Piercing Needle Misalignment / Dull Needle | View Details |
| – |
Single-serve side of FlexBrew leaks water or coffee around the pod holder.
|
Single-Serve Seal Failure / Needle Gasket Wear | View Details |
| – |
Unit vibrates excessively or rattles loudly during brewing.
|
Mechanical Vibration / Loose Components | View Details |
| – |
Warming plate does not heat or keep coffee warm after brewing.
|
Warming Plate Heater Failure | View Details |
| – |
Warming plate stays hot for hours or does not shut off as expected.
|
Warming Plate Stuck On | View Details |
| – |
Water leaks from around the brew basket area during brewing.
|
Brew Basket Overflow / Seal Leak | View Details |
| – |
Water remains in the reservoir and does not drain during brewing.
|
Reservoir Outlet Blockage | View Details |
No matching codes found
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