Mr. Coffee
Mr. Coffee 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 WATER
Display shows “ADD WATER” or water droplet icon; brew will not start even though reservoir appears to have water.
Water Level Detection / Reservoir Seating Fault
CLEAN
Display shows “CLEAN” and unit beeps; brew cycle may not start or stops early until cleaning is performed.
Scale Build-Up in Heating and Flow System
CLEAN FLASHING
“CLEAN” light flashes continuously and brew cycle will not start or cancels itself.
Severe Scale Restriction / Blocked Flow Sensor
CLOCK
Display flashes “CLOCK” or time display blinks and delay brew will not function.
Uninitialized Clock / Power Loss
CUP
Display shows “CUP” or “PLACE CUP” on single-serve Mr. Coffee brewers; brew will not start.
Cup Presence / Drip Tray Sensor Fault
DESCAL
Display shows “DESCAL” or “DESCALE” and may beep until acknowledged.
Scheduled Descaling Reminder
E1
Display shows “E1” and brewing is disabled.
Open or Shorted Temperature Sensor (NTC)
E2
Display shows “E2” and unit may shut off shortly after starting.
Overtemperature / Overheat Protection Triggered
E3
Display shows “E3”; unit may not heat water or may shut off immediately.
Heating Element Circuit Failure
E4
Display shows “E4”; unit may freeze or ignore button presses.
Keypad / Control Panel Fault
E5
Display shows “E5”; unit may not power on fully or may shut off randomly.
Low Voltage / Power Supply Fault
ERR
Display shows “ERR” or “ERROR” and unit will not start a brew cycle.
General Control Board / Sensor Fault
FILTER
Display shows “FILTER” or “CHANGE FILTER” on models with water filtration baskets.
Water Filter Replacement Reminder
HOT
Display shows “HOT” or “TOO HOT”; unit refuses to start a new brew immediately after finishing one.
Brew Temperature Lockout
LID
Display shows “LID” or “CLOSE LID” on single-serve or pod models; brew will not start.
Lid Closed Detection Fault
NO WATER
Display shows “NO WATER” or unit beeps and stops mid-brew even though reservoir contains water.
Water Flow Interruption / Pump Starvation
POD
Display shows “POD” or “INSERT POD” on single-serve models even when a pod is inserted.
Pod Detection / Holder Position Fault
Symptom
Auto-brew (delay brew) does not start at the programmed time.
Timer / Programming Fault
Symptom
Burning smell or visible smoke during operation.
Electrical Overheating / Component Failure
Symptom
Carafe drips or spills when pouring, even when using the spout correctly.
Carafe Spout Design / Gasket Issue
Symptom
Carafe overflows or coffee spills over the rim during brewing.
Carafe Overflow / Drip-Stop Malfunction
Symptom
Coffee is not hot enough when brewing completes.
Low Brew Temperature
Symptom
Coffee maker brews extremely slowly or takes much longer than normal to complete a pot.
Restricted Water Flow / Partial Blockage
Symptom
Coffee maker leaks water from the bottom during or after brewing.
Base Leak / Internal Tubing or Heater Leak
Symptom
Coffee maker makes loud gurgling or sputtering noises but produces little or no coffee.
Airlock / Severe Scale in Heater
Symptom
Coffee maker powers on but will not start brewing when BREW button is pressed.
Brew Start / Control Logic Fault
Symptom
Coffee maker starts but stops brewing mid-cycle and shuts off.
Premature Brew Termination
Symptom
Coffee maker will not power on at all (no lights, no display, no response).
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 / Short Brew Time
Symptom
Display and clock work, but heating element does not heat and no brewing occurs.
Open Heater Circuit with Live Control Board
Symptom
Display is very dim or segments are missing, but unit still brews.
Display / LCD Failure
Symptom
Excessive steam escaping from sides or top of coffee maker during brewing.
Steam Path Restriction / Lid Seal Issue
Symptom
Single-serve brewer dispenses much less coffee than the selected cup size.
Underfill / Flow Meter or Restriction Issue
Symptom
Single-serve brewer pierces pod but no water flows through the pod.
Pod Needle Blockage / Flow Restriction
Symptom
Single-serve brewer sprays coffee or steam around the pod area during brewing.
Pod Seal / Overpressure Leak
Symptom
Strong plastic or chemical smell during first few uses.
New Appliance Off-Gassing / Residual Manufacturing Oils
Symptom
Warming plate does not heat or keep coffee warm after brewing.
Warming Plate Heater Failure
Symptom
Warming plate stays on or very hot even when the coffee maker is turned off.
Stuck Warming Plate Relay / Thermostat
Symptom
Water or coffee leaks from around the top of the filter basket or brew head.
Brew Basket Overflow / Seal Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| ADD WATER |
Display shows “ADD WATER” or water droplet icon; brew will not start even though reservoir appears to have water.
|
Water Level Detection / Reservoir Seating Fault | View Details |
| CLEAN |
Display shows “CLEAN” and unit beeps; brew cycle may not start or stops early until cleaning is performed.
|
Scale Build-Up in Heating and Flow System | View Details |
| CLEAN FLASHING |
“CLEAN” light flashes continuously and brew cycle will not start or cancels itself.
|
Severe Scale Restriction / Blocked Flow Sensor | View Details |
| CLOCK |
Display flashes “CLOCK” or time display blinks and delay brew will not function.
|
Uninitialized Clock / Power Loss | View Details |
| CUP |
Display shows “CUP” or “PLACE CUP” on single-serve Mr. Coffee brewers; brew will not start.
|
Cup Presence / Drip Tray Sensor Fault | View Details |
| DESCAL |
Display shows “DESCAL” or “DESCALE” and may beep until acknowledged.
|
Scheduled Descaling Reminder | View Details |
| E1 |
Display shows “E1” and brewing is disabled.
|
Open or Shorted Temperature Sensor (NTC) | View Details |
| E2 |
Display shows “E2” and unit may shut off shortly after starting.
|
Overtemperature / Overheat Protection Triggered | View Details |
| E3 |
Display shows “E3”; unit may not heat water or may shut off immediately.
|
Heating Element Circuit Failure | View Details |
| E4 |
Display shows “E4”; unit may freeze or ignore button presses.
|
Keypad / Control Panel Fault | View Details |
| E5 |
Display shows “E5”; unit may not power on fully or may shut off randomly.
|
Low Voltage / Power Supply Fault | View Details |
| ERR |
Display shows “ERR” or “ERROR” and unit will not start a brew cycle.
|
General Control Board / Sensor Fault | View Details |
| FILTER |
Display shows “FILTER” or “CHANGE FILTER” on models with water filtration baskets.
|
Water Filter Replacement Reminder | View Details |
| HOT |
Display shows “HOT” or “TOO HOT”; unit refuses to start a new brew immediately after finishing one.
|
Brew Temperature Lockout | View Details |
| LID |
Display shows “LID” or “CLOSE LID” on single-serve or pod models; brew will not start.
|
Lid Closed Detection Fault | View Details |
| NO WATER |
Display shows “NO WATER” or unit beeps and stops mid-brew even though reservoir contains water.
|
Water Flow Interruption / Pump Starvation | View Details |
| POD |
Display shows “POD” or “INSERT POD” on single-serve models even when a pod is inserted.
|
Pod Detection / Holder Position Fault | View Details |
| – |
Auto-brew (delay brew) does not start at the programmed time.
|
Timer / Programming Fault | View Details |
| – |
Burning smell or visible smoke during operation.
|
Electrical Overheating / Component Failure | View Details |
| – |
Carafe drips or spills when pouring, even when using the spout correctly.
|
Carafe Spout Design / Gasket Issue | View Details |
| – |
Carafe overflows or coffee spills over the rim during brewing.
|
Carafe Overflow / Drip-Stop Malfunction | View Details |
| – |
Coffee is not hot enough when brewing completes.
|
Low Brew Temperature | View Details |
| – |
Coffee maker brews extremely slowly or takes much longer than normal to complete a pot.
|
Restricted Water Flow / Partial Blockage | View Details |
| – |
Coffee maker leaks water from the bottom during or after brewing.
|
Base Leak / Internal Tubing or Heater Leak | View Details |
| – |
Coffee maker makes loud gurgling or sputtering noises but produces little or no coffee.
|
Airlock / Severe Scale in Heater | View Details |
| – |
Coffee maker powers on but will not start brewing when BREW button is pressed.
|
Brew Start / Control Logic Fault | View Details |
| – |
Coffee maker starts but stops brewing mid-cycle and shuts off.
|
Premature Brew Termination | View Details |
| – |
Coffee maker will not power on at all (no lights, no display, no response).
|
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 / Short Brew Time | View Details |
| – |
Display and clock work, but heating element does not heat and no brewing occurs.
|
Open Heater Circuit with Live Control Board | View Details |
| – |
Display is very dim or segments are missing, but unit still brews.
|
Display / LCD Failure | View Details |
| – |
Excessive steam escaping from sides or top of coffee maker during brewing.
|
Steam Path Restriction / Lid Seal Issue | View Details |
| – |
Single-serve brewer dispenses much less coffee than the selected cup size.
|
Underfill / Flow Meter or Restriction Issue | View Details |
| – |
Single-serve brewer pierces pod but no water flows through the pod.
|
Pod Needle Blockage / Flow Restriction | View Details |
| – |
Single-serve brewer sprays coffee or steam around the pod area during brewing.
|
Pod Seal / Overpressure Leak | View Details |
| – |
Strong plastic or chemical smell during first few uses.
|
New Appliance Off-Gassing / Residual Manufacturing Oils | View Details |
| – |
Warming plate does not heat or keep coffee warm after brewing.
|
Warming Plate Heater Failure | View Details |
| – |
Warming plate stays on or very hot even when the coffee maker is turned off.
|
Stuck Warming Plate Relay / Thermostat | View Details |
| – |
Water or coffee leaks from around the top of the filter basket or brew head.
|
Brew Basket Overflow / Seal Leak | View Details |
No matching codes found
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