Neff
Neff Freezers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E1
Freezer beeps and displays E1, temperature rises above setpoint and food begins to soften.
Freezer Compartment Temperature Sensor Failure
E10
Freezer shows E10 and the alarm sounds frequently; temperature may be too high despite continuous running.
High Temperature Alarm / Cooling Performance Fault
E11
E11 is displayed and the freezer may overcool or undercool; set temperature changes have little effect.
Control Panel / User Interface Communication Error
E12
Freezer shows E12 and the SuperFreeze (fast freeze) function does not activate or remains stuck on.
SuperFreeze Circuit or Sensor Error
E13
E13 appears and the internal fan speed seems abnormal (too fast, too slow, or pulsing).
Fan Speed Feedback / Tachometer Error
E14
Freezer displays E14 and the interior light does not work or stays on constantly.
LED Lighting Circuit Error
E15
E15 is displayed and the freezer may shut down or run in a limited mode; sometimes accompanied by beeping.
Internal Electronics Overtemperature or Sensor Fault
E16
Freezer shows E16 and the alarm sounds; temperature may be extremely low (overfreezing) or unstable.
Thermostat / Temperature Regulation Fault
E17
E17 appears and the display may show incorrect or fluctuating temperature readings.
Display / Temperature Indication Error
E18
Freezer shows E18 and may not respond to button presses or settings changes.
Keypad / Button Matrix Error
E19
E19 is displayed and the door alarm may not function correctly (no alarm when door open, or constant alarm).
Door Alarm Circuit Fault
E2
Display shows E2 and the freezer runs continuously or not at all, with unstable internal temperature.
Evaporator Temperature Sensor Failure
E20
Freezer displays E20 and may not enter or exit demo mode correctly; cooling may be disabled.
Demo Mode / Configuration Error
E3
Freezer displays E3 and may not defrost properly, leading to ice buildup on the rear wall.
Defrost Sensor or Defrost Circuit Error
E4
E4 appears on the display and the freezer interior light or fan may behave erratically.
Door Switch or Door Contact Error
E5
Freezer shows E5 and may not maintain correct temperature; compressor may short-cycle.
Ambient Temperature Sensor Error
E6
Display shows E6 and the compressor does not start or stops shortly after starting.
Compressor Start Device or Inverter Error
E7
E7 appears and the internal circulation fan does not run, causing uneven temperatures and frost buildup.
Evaporator Fan Motor Error
E8
Freezer shows E8 and may not cool properly; compressor may not run even though the display is on.
Compressor Relay or Power Output Error
E9
E9 is displayed and the freezer interior light or display may flicker; unit may shut down intermittently.
Power Supply or Voltage Error
Symptom
Freezer beeping or alarm sounding even though temperature seems normal.
False Alarm Condition
Symptom
Freezer cools but temperature fluctuates widely, causing partial thawing and refreezing.
Unstable Temperature Control
Symptom
Freezer door difficult to open shortly after closing, or makes a popping sound.
Door Vacuum / Pressure Equalization
Symptom
Freezer door does not close or stay closed properly.
Door Alignment / Hinge Fault
Symptom
Freezer drawers difficult to slide or jam due to ice buildup.
Drawer Obstruction from Frost
Symptom
Freezer emits a strong chemical or burning smell.
Electrical Overheating or Insulation Odor
Symptom
Freezer has a persistent musty or moldy odor inside.
Internal Odor Contamination
Symptom
Freezer interior light not working, but cooling is normal.
Lighting Failure
Symptom
Freezer interior light works but compressor and fan do not run at all.
No Cooling Operation with Power Present
Symptom
Freezer is excessively noisy and vibrates, especially when the compressor starts.
Cabinet Vibration / Leveling Issue
Symptom
Freezer makes loud humming or buzzing noise from compressor area.
Compressor or Start Device Noise
Symptom
Freezer makes loud rattling or knocking noises during operation.
Mechanical Vibration or Loose Components
Symptom
Freezer not cooling at all, interior is warm, but lights and display are working.
Complete Loss of Cooling
Symptom
Freezer produces a high-pitched whine or squeal from the fan area.
Evaporator Fan Bearing Wear
Symptom
Freezer runs continuously and overfreezes food, forming excessive ice on items.
Overcooling / Thermostat Control Failure
Symptom
Freezer temperature too high, food softening, compressor runs frequently but cannot reach set temperature.
Insufficient Cooling Capacity
Symptom
Freezer will not start at all, display is blank and no lights are on.
No Power to Appliance
Symptom
Frost forming mainly around the door opening and on the front edges of shelves.
Warm Air Ingress / Door Seal Problem
Symptom
Heavy frost or ice buildup on the rear wall and around the evaporator.
Defrost System Failure
Symptom
Water leaking onto the floor from under the freezer.
External Water Leak
Symptom
Water pooling at the bottom of the freezer compartment or under drawers.
Defrost Drain Blockage
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Freezer beeps and displays E1, temperature rises above setpoint and food begins to soften.
|
Freezer Compartment Temperature Sensor Failure | View Details |
| E10 |
Freezer shows E10 and the alarm sounds frequently; temperature may be too high despite continuous running.
|
High Temperature Alarm / Cooling Performance Fault | View Details |
| E11 |
E11 is displayed and the freezer may overcool or undercool; set temperature changes have little effect.
|
Control Panel / User Interface Communication Error | View Details |
| E12 |
Freezer shows E12 and the SuperFreeze (fast freeze) function does not activate or remains stuck on.
|
SuperFreeze Circuit or Sensor Error | View Details |
| E13 |
E13 appears and the internal fan speed seems abnormal (too fast, too slow, or pulsing).
|
Fan Speed Feedback / Tachometer Error | View Details |
| E14 |
Freezer displays E14 and the interior light does not work or stays on constantly.
|
LED Lighting Circuit Error | View Details |
| E15 |
E15 is displayed and the freezer may shut down or run in a limited mode; sometimes accompanied by beeping.
|
Internal Electronics Overtemperature or Sensor Fault | View Details |
| E16 |
Freezer shows E16 and the alarm sounds; temperature may be extremely low (overfreezing) or unstable.
|
Thermostat / Temperature Regulation Fault | View Details |
| E17 |
E17 appears and the display may show incorrect or fluctuating temperature readings.
|
Display / Temperature Indication Error | View Details |
| E18 |
Freezer shows E18 and may not respond to button presses or settings changes.
|
Keypad / Button Matrix Error | View Details |
| E19 |
E19 is displayed and the door alarm may not function correctly (no alarm when door open, or constant alarm).
|
Door Alarm Circuit Fault | View Details |
| E2 |
Display shows E2 and the freezer runs continuously or not at all, with unstable internal temperature.
|
Evaporator Temperature Sensor Failure | View Details |
| E20 |
Freezer displays E20 and may not enter or exit demo mode correctly; cooling may be disabled.
|
Demo Mode / Configuration Error | View Details |
| E3 |
Freezer displays E3 and may not defrost properly, leading to ice buildup on the rear wall.
|
Defrost Sensor or Defrost Circuit Error | View Details |
| E4 |
E4 appears on the display and the freezer interior light or fan may behave erratically.
|
Door Switch or Door Contact Error | View Details |
| E5 |
Freezer shows E5 and may not maintain correct temperature; compressor may short-cycle.
|
Ambient Temperature Sensor Error | View Details |
| E6 |
Display shows E6 and the compressor does not start or stops shortly after starting.
|
Compressor Start Device or Inverter Error | View Details |
| E7 |
E7 appears and the internal circulation fan does not run, causing uneven temperatures and frost buildup.
|
Evaporator Fan Motor Error | View Details |
| E8 |
Freezer shows E8 and may not cool properly; compressor may not run even though the display is on.
|
Compressor Relay or Power Output Error | View Details |
| E9 |
E9 is displayed and the freezer interior light or display may flicker; unit may shut down intermittently.
|
Power Supply or Voltage Error | View Details |
| – |
Freezer beeping or alarm sounding even though temperature seems normal.
|
False Alarm Condition | View Details |
| – |
Freezer cools but temperature fluctuates widely, causing partial thawing and refreezing.
|
Unstable Temperature Control | View Details |
| – |
Freezer door difficult to open shortly after closing, or makes a popping sound.
|
Door Vacuum / Pressure Equalization | View Details |
| – |
Freezer door does not close or stay closed properly.
|
Door Alignment / Hinge Fault | View Details |
| – |
Freezer drawers difficult to slide or jam due to ice buildup.
|
Drawer Obstruction from Frost | View Details |
| – |
Freezer emits a strong chemical or burning smell.
|
Electrical Overheating or Insulation Odor | View Details |
| – |
Freezer has a persistent musty or moldy odor inside.
|
Internal Odor Contamination | View Details |
| – |
Freezer interior light not working, but cooling is normal.
|
Lighting Failure | View Details |
| – |
Freezer interior light works but compressor and fan do not run at all.
|
No Cooling Operation with Power Present | View Details |
| – |
Freezer is excessively noisy and vibrates, especially when the compressor starts.
|
Cabinet Vibration / Leveling Issue | View Details |
| – |
Freezer makes loud humming or buzzing noise from compressor area.
|
Compressor or Start Device Noise | View Details |
| – |
Freezer makes loud rattling or knocking noises during operation.
|
Mechanical Vibration or Loose Components | View Details |
| – |
Freezer not cooling at all, interior is warm, but lights and display are working.
|
Complete Loss of Cooling | View Details |
| – |
Freezer produces a high-pitched whine or squeal from the fan area.
|
Evaporator Fan Bearing Wear | View Details |
| – |
Freezer runs continuously and overfreezes food, forming excessive ice on items.
|
Overcooling / Thermostat Control Failure | View Details |
| – |
Freezer temperature too high, food softening, compressor runs frequently but cannot reach set temperature.
|
Insufficient Cooling Capacity | View Details |
| – |
Freezer will not start at all, display is blank and no lights are on.
|
No Power to Appliance | View Details |
| – |
Frost forming mainly around the door opening and on the front edges of shelves.
|
Warm Air Ingress / Door Seal Problem | View Details |
| – |
Heavy frost or ice buildup on the rear wall and around the evaporator.
|
Defrost System Failure | View Details |
| – |
Water leaking onto the floor from under the freezer.
|
External Water Leak | View Details |
| – |
Water pooling at the bottom of the freezer compartment or under drawers.
|
Defrost Drain Blockage | View Details |
No matching codes found
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