Cuisinart 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” even though the water reservoir is full; brewing will not start.
Water Level Detection Failure
ADD WATER
“ADD WATER” appears mid-brew and the cycle stops before the carafe is full.
Intermittent Water Supply Interruption
ADD WATER / CLEAN (alternating)
Display alternates between “ADD WATER” and “CLEAN” and the unit beeps but will not brew.
Combined Scale and Water Level Fault
CLEAN
“CLEAN” light flashes and the machine will not start a normal brew until a clean cycle is run.
Mandatory Descale Lockout
CLEAN
“CLEAN” light or icon stays on or flashes and will not clear after normal use.
Descale Indicator Triggered by Flow/Time Algorithm
DECAF / BOLD FLASHING (no brew)
DECAF or BOLD indicator flashes and the unit beeps but does not start brewing.
Brew Size or Strength Selection Error
ERR
Display shows “ERR” or “ERROR” and the machine will not respond to button presses.
Control Board or Firmware Error
ERR 1
Display shows “ERR 1” and brewing is disabled.
Temperature Sensor Out of Range (Open Circuit)
ERR 2
Display shows “ERR 2” and the unit shuts down shortly after starting.
Over-Temperature or Shorted Temperature Sensor
ERR 3
Display shows “ERR 3” and the unit will not heat or brew.
Heater Circuit Failure
ERR 4
Display shows “ERR 4” and the unit beeps repeatedly when you try to brew.
Carafe or Lid Detection Error (Drip-Stop Interlock)
ERR 5
Display shows “ERR 5” and the single-serve side (on combo models) will not brew.
Single-Serve Pump or Flow Error
HOT
Display shows “HOT” and the unit refuses to start another brew immediately after finishing one.
Brew Temperature Lockout
Symptom
Auto-brew (programmed start) does not work; coffee maker does not start at the set time.
Auto-Start Programming Failure
Symptom
Burning or electrical smell during operation.
Overheating or Electrical Insulation Failure
Symptom
Buttons on the control panel are unresponsive or require very hard presses.
Keypad / Button Membrane Wear
Symptom
Carafe overflows even though the brew basket is not overfilled with coffee.
Carafe Misalignment or Drip-Stop Malfunction
Symptom
Coffee is not hot enough immediately after brewing.
Low Brew Temperature
Symptom
Coffee maker brews extremely slowly; it may take over 20 minutes to brew a full pot.
Restricted Water Flow from Scale Buildup
Symptom
Coffee maker leaks water from the bottom of the unit during or after brewing.
Internal Leak in Water Circuit
Symptom
Coffee maker makes loud gurgling or sputtering noises during brewing.
Air in Water Lines or Partial Blockage
Symptom
Coffee maker turns off mid-brew and does not complete the cycle.
Thermal Cutoff or Power Interruption During Brew
Symptom
Coffee maker will not power on at all; no lights or display even when plugged in.
No Power / Dead Unit
Symptom
Coffee tastes bitter or burnt.
Over-Extraction or Overheating
Symptom
Coffee tastes weak or watery even when using normal amounts of coffee.
Under-Extraction Due to Brew Parameters
Symptom
Display clock loses time or resets frequently.
Clock / Memory Power Loss
Symptom
Display is very dim or segments are missing, but the unit still brews.
Display Module Degradation
Symptom
Grind & Brew model: Grinder does not run when starting a brew cycle.
Built-In Grinder Failure
Symptom
Grind & Brew model: Grinder runs but no ground coffee reaches the filter basket.
Grinder Chute Blockage
Symptom
Hot plate does not heat or keep coffee warm after brewing.
Warming Plate Failure
Symptom
Hot plate stays on continuously or overheats even after the programmed time has elapsed.
Warming Plate Stuck On
Symptom
Single-serve side (on combo models) does not puncture K-cups properly, causing leaks or no brew.
Single-Serve Needle or Holder Fault
Symptom
Single-serve side brews only a small amount of coffee or stops early.
Single-Serve Flow Restriction
Symptom
Steam or water escapes from around the lid during brewing.
Lid Seal or Venting Issue
Symptom
Strong plastic or chemical smell from new coffee maker during first uses.
Off-Gassing of New Components
Symptom
Unit powers on but will not start brewing when the BREW button is pressed.
Brew Start Interlock Failure
Symptom
Water leaks from around the top of the filter basket or lid during brewing.
Brew Basket Overflow or Seal Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| ADD WATER |
Display shows “ADD WATER” even though the water reservoir is full; brewing will not start.
|
Water Level Detection Failure | View Details |
| ADD WATER |
“ADD WATER” appears mid-brew and the cycle stops before the carafe is full.
|
Intermittent Water Supply Interruption | View Details |
| ADD WATER / CLEAN (alternating) |
Display alternates between “ADD WATER” and “CLEAN” and the unit beeps but will not brew.
|
Combined Scale and Water Level Fault | View Details |
| CLEAN |
“CLEAN” light flashes and the machine will not start a normal brew until a clean cycle is run.
|
Mandatory Descale Lockout | View Details |
| CLEAN |
“CLEAN” light or icon stays on or flashes and will not clear after normal use.
|
Descale Indicator Triggered by Flow/Time Algorithm | View Details |
| DECAF / BOLD FLASHING (no brew) |
DECAF or BOLD indicator flashes and the unit beeps but does not start brewing.
|
Brew Size or Strength Selection Error | View Details |
| ERR |
Display shows “ERR” or “ERROR” and the machine will not respond to button presses.
|
Control Board or Firmware Error | View Details |
| ERR 1 |
Display shows “ERR 1” and brewing is disabled.
|
Temperature Sensor Out of Range (Open Circuit) | View Details |
| ERR 2 |
Display shows “ERR 2” and the unit shuts down shortly after starting.
|
Over-Temperature or Shorted Temperature Sensor | View Details |
| ERR 3 |
Display shows “ERR 3” and the unit will not heat or brew.
|
Heater Circuit Failure | View Details |
| ERR 4 |
Display shows “ERR 4” and the unit beeps repeatedly when you try to brew.
|
Carafe or Lid Detection Error (Drip-Stop Interlock) | View Details |
| ERR 5 |
Display shows “ERR 5” and the single-serve side (on combo models) will not brew.
|
Single-Serve Pump or Flow Error | View Details |
| HOT |
Display shows “HOT” and the unit refuses to start another brew immediately after finishing one.
|
Brew Temperature Lockout | View Details |
| – |
Auto-brew (programmed start) does not work; coffee maker does not start at the set time.
|
Auto-Start Programming Failure | View Details |
| – |
Burning or electrical smell during operation.
|
Overheating or Electrical Insulation Failure | View Details |
| – |
Buttons on the control panel are unresponsive or require very hard presses.
|
Keypad / Button Membrane Wear | View Details |
| – |
Carafe overflows even though the brew basket is not overfilled with coffee.
|
Carafe Misalignment or Drip-Stop Malfunction | View Details |
| – |
Coffee is not hot enough immediately after brewing.
|
Low Brew Temperature | View Details |
| – |
Coffee maker brews extremely slowly; it may take over 20 minutes to brew a full pot.
|
Restricted Water Flow from Scale Buildup | View Details |
| – |
Coffee maker leaks water from the bottom of the unit during or after brewing.
|
Internal Leak in Water Circuit | View Details |
| – |
Coffee maker makes loud gurgling or sputtering noises during brewing.
|
Air in Water Lines or Partial Blockage | View Details |
| – |
Coffee maker turns off mid-brew and does not complete the cycle.
|
Thermal Cutoff or Power Interruption During Brew | View Details |
| – |
Coffee maker will not power on at all; no lights or display even when plugged in.
|
No Power / Dead Unit | View Details |
| – |
Coffee tastes bitter or burnt.
|
Over-Extraction or Overheating | View Details |
| – |
Coffee tastes weak or watery even when using normal amounts of coffee.
|
Under-Extraction Due to Brew Parameters | View Details |
| – |
Display clock loses time or resets frequently.
|
Clock / Memory Power Loss | View Details |
| – |
Display is very dim or segments are missing, but the unit still brews.
|
Display Module Degradation | View Details |
| – |
Grind & Brew model: Grinder does not run when starting a brew cycle.
|
Built-In Grinder Failure | View Details |
| – |
Grind & Brew model: Grinder runs but no ground coffee reaches the filter basket.
|
Grinder Chute Blockage | View Details |
| – |
Hot plate does not heat or keep coffee warm after brewing.
|
Warming Plate Failure | View Details |
| – |
Hot plate stays on continuously or overheats even after the programmed time has elapsed.
|
Warming Plate Stuck On | View Details |
| – |
Single-serve side (on combo models) does not puncture K-cups properly, causing leaks or no brew.
|
Single-Serve Needle or Holder Fault | View Details |
| – |
Single-serve side brews only a small amount of coffee or stops early.
|
Single-Serve Flow Restriction | View Details |
| – |
Steam or water escapes from around the lid during brewing.
|
Lid Seal or Venting Issue | View Details |
| – |
Strong plastic or chemical smell from new coffee maker during first uses.
|
Off-Gassing of New Components | View Details |
| – |
Unit powers on but will not start brewing when the BREW button is pressed.
|
Brew Start Interlock Failure | View Details |
| – |
Water leaks from around the top of the filter basket or lid during brewing.
|
Brew Basket Overflow or Seal Failure | View Details |
No matching codes found
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