Bosch Freezers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
Freezer beeps and displays E01; temperature may rise slightly and alarm icon may flash.
Temperature Sensor (NTC) Failure
E02
Freezer shows E02 and may not maintain correct temperature; compressor may run continuously or not at all.
Evaporator Temperature Sensor Fault
E03
Display shows E03; freezer may not defrost properly and ice builds up on the rear wall or around drawers.
Defrost Heater Circuit Fault
E04
Freezer displays E04 and may show abnormal temperature swings or continuous alarm beeping.
Ambient Temperature Sensor Fault
E05
E05 appears on the display; the freezer may not respond correctly to set temperature changes.
Control Panel / User Interface Communication Error
E06
The freezer displays E06 and may not start cooling; the compressor may not run.
Compressor Start / Inverter Communication Fault
E07
E07 error with a continuous alarm; the interior fan may not run, and the temperature may be uneven.
Evaporator Fan Motor Fault
E08
E08 is displayed; the freezer struggles to reach the set temperature or runs continuously.
Condenser Fan / Condenser Cooling Fault
E09
E09 error; the freezer may shut down cooling or operate erratically.
Main Control Module Failure
E10
E10 is displayed; the freezer may show an incorrect temperature or not respond to settings.
Display / User Interface Board Fault
E11
E11 error; the door alarm may sound even when the door is closed, or the interior light may not behave correctly.
Door Switch / Door Contact Fault
E12
E12 is displayed; the freezer may show a high temperature alarm even though it feels cold.
Freezer Compartment Sensor Calibration / Range Error
E13
E13 error; the freezer may intermittently stop cooling or reset.
Power Supply / Voltage Error
E14
E14 is displayed; the freezer may not enter or exit SuperFreeze mode correctly.
SuperFreeze Function Control Fault
E15
E15 error: The freezer may display a continuous alarm and might shut down cooling as a safety measure.
Internal Leak / Condensate Sensor Alarm (if fitted)
E16
E16 error: A high temperature alarm may be active, and food might begin to thaw.
High Temperature / Over-Temperature Alarm
E17
E17 error: A low temperature alarm or risk of over-freezing (very low internal temperature).
Low Temperature / Sensor or Control Overshoot
E18
E18 error: The freezer may not defrost correctly and might display irregular temperature behavior.
Defrost Sensor / Thermostat Fault
E19
E19 error: The interior light or auxiliary functions may not operate correctly.
Auxiliary Output / Lighting Circuit Fault
Symptom
Alarm beeping or flashing temperature warning, but the freezer temperature is normal.
False Alarm / Sensor or Control Logic Error
Symptom
Freezer cycles on and off too frequently; short run times and frequent starts.
Short Cycling / Thermostat Hysteresis Issue
Symptom
Freezer display is blank or flickering, but interior light may still work.
Display Power / UI Failure
Symptom
Freezer door difficult to open shortly after closing; strong suction effect.
Door Vacuum / Pressure Equalization Issue
Symptom
Freezer door does not close or stay closed properly; door pops open.
Door Alignment / Hinge or Gasket Problem
Symptom
Freezer emits a clicking sound every few minutes and does not cool properly.
Compressor Short Cycling / Overload Tripping
Symptom
Freezer exterior side walls feel very hot to the touch.
High Cabinet Surface Temperature
Symptom
Freezer has a strong unpleasant or chemical odor inside.
Odor Contamination / Mold Growth
Symptom
Freezer interior light not working, but cooling is normal.
Interior Lighting Failure
Symptom
Freezer making loud humming, buzzing, or rattling noises during operation.
Mechanical Vibration / Noise
Symptom
Freezer produces a high-pitched whine or squeal from inside the cabinet.
Evaporator Fan Bearing Wear
Symptom
Freezer runs continuously without cycling off, even when temperature seems correct.
Continuous Operation / Control or Sensor Issue
Symptom
Freezer shows condensation or water droplets on the exterior door or around the gasket.
Condensation / Moisture on Exterior
Symptom
The freezer interior is icing up: There is thick frost on shelves, walls, and around the door opening.
Excessive Frost / Air Ingress
Symptom
The freezer is not cooling at all: The interior is warm, the compressor is not running, and the display may be on.
Compressor Not Starting
Symptom
The freezer is overcooling: Food is excessively hard or showing freezer burn, even at normal settings.
Thermostat / Temperature Control Malfunction
Symptom
The freezer only cools at the top or bottom: There is uneven temperature distribution inside.
Poor Air Circulation / Fan or Duct Obstruction
Symptom
The freezer runs but does not get cold enough: The temperature remains above the setpoint.
Partial Loss of Cooling / Sealed System Inefficiency
Symptom
Water pooling at the bottom inside the freezer or on the floor in front.
Defrost Drain Blockage / Internal Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Freezer beeps and displays E01; temperature may rise slightly and alarm icon may flash.
|
Temperature Sensor (NTC) Failure | View Details |
| E02 |
Freezer shows E02 and may not maintain correct temperature; compressor may run continuously or not at all.
|
Evaporator Temperature Sensor Fault | View Details |
| E03 |
Display shows E03; freezer may not defrost properly and ice builds up on the rear wall or around drawers.
|
Defrost Heater Circuit Fault | View Details |
| E04 |
Freezer displays E04 and may show abnormal temperature swings or continuous alarm beeping.
|
Ambient Temperature Sensor Fault | View Details |
| E05 |
E05 appears on the display; the freezer may not respond correctly to set temperature changes.
|
Control Panel / User Interface Communication Error | View Details |
| E06 |
The freezer displays E06 and may not start cooling; the compressor may not run.
|
Compressor Start / Inverter Communication Fault | View Details |
| E07 |
E07 error with a continuous alarm; the interior fan may not run, and the temperature may be uneven.
|
Evaporator Fan Motor Fault | View Details |
| E08 |
E08 is displayed; the freezer struggles to reach the set temperature or runs continuously.
|
Condenser Fan / Condenser Cooling Fault | View Details |
| E09 |
E09 error; the freezer may shut down cooling or operate erratically.
|
Main Control Module Failure | View Details |
| E10 |
E10 is displayed; the freezer may show an incorrect temperature or not respond to settings.
|
Display / User Interface Board Fault | View Details |
| E11 |
E11 error; the door alarm may sound even when the door is closed, or the interior light may not behave correctly.
|
Door Switch / Door Contact Fault | View Details |
| E12 |
E12 is displayed; the freezer may show a high temperature alarm even though it feels cold.
|
Freezer Compartment Sensor Calibration / Range Error | View Details |
| E13 |
E13 error; the freezer may intermittently stop cooling or reset.
|
Power Supply / Voltage Error | View Details |
| E14 |
E14 is displayed; the freezer may not enter or exit SuperFreeze mode correctly.
|
SuperFreeze Function Control Fault | View Details |
| E15 |
E15 error: The freezer may display a continuous alarm and might shut down cooling as a safety measure.
|
Internal Leak / Condensate Sensor Alarm (if fitted) | View Details |
| E16 |
E16 error: A high temperature alarm may be active, and food might begin to thaw.
|
High Temperature / Over-Temperature Alarm | View Details |
| E17 |
E17 error: A low temperature alarm or risk of over-freezing (very low internal temperature).
|
Low Temperature / Sensor or Control Overshoot | View Details |
| E18 |
E18 error: The freezer may not defrost correctly and might display irregular temperature behavior.
|
Defrost Sensor / Thermostat Fault | View Details |
| E19 |
E19 error: The interior light or auxiliary functions may not operate correctly.
|
Auxiliary Output / Lighting Circuit Fault | View Details |
| – |
Alarm beeping or flashing temperature warning, but the freezer temperature is normal.
|
False Alarm / Sensor or Control Logic Error | View Details |
| – |
Freezer cycles on and off too frequently; short run times and frequent starts.
|
Short Cycling / Thermostat Hysteresis Issue | View Details |
| – |
Freezer display is blank or flickering, but interior light may still work.
|
Display Power / UI Failure | View Details |
| – |
Freezer door difficult to open shortly after closing; strong suction effect.
|
Door Vacuum / Pressure Equalization Issue | View Details |
| – |
Freezer door does not close or stay closed properly; door pops open.
|
Door Alignment / Hinge or Gasket Problem | View Details |
| – |
Freezer emits a clicking sound every few minutes and does not cool properly.
|
Compressor Short Cycling / Overload Tripping | View Details |
| – |
Freezer exterior side walls feel very hot to the touch.
|
High Cabinet Surface Temperature | View Details |
| – |
Freezer has a strong unpleasant or chemical odor inside.
|
Odor Contamination / Mold Growth | View Details |
| – |
Freezer interior light not working, but cooling is normal.
|
Interior Lighting Failure | View Details |
| – |
Freezer making loud humming, buzzing, or rattling noises during operation.
|
Mechanical Vibration / Noise | View Details |
| – |
Freezer produces a high-pitched whine or squeal from inside the cabinet.
|
Evaporator Fan Bearing Wear | View Details |
| – |
Freezer runs continuously without cycling off, even when temperature seems correct.
|
Continuous Operation / Control or Sensor Issue | View Details |
| – |
Freezer shows condensation or water droplets on the exterior door or around the gasket.
|
Condensation / Moisture on Exterior | View Details |
| – |
The freezer interior is icing up: There is thick frost on shelves, walls, and around the door opening.
|
Excessive Frost / Air Ingress | View Details |
| – |
The freezer is not cooling at all: The interior is warm, the compressor is not running, and the display may be on.
|
Compressor Not Starting | View Details |
| – |
The freezer is overcooling: Food is excessively hard or showing freezer burn, even at normal settings.
|
Thermostat / Temperature Control Malfunction | View Details |
| – |
The freezer only cools at the top or bottom: There is uneven temperature distribution inside.
|
Poor Air Circulation / Fan or Duct Obstruction | View Details |
| – |
The freezer runs but does not get cold enough: The temperature remains above the setpoint.
|
Partial Loss of Cooling / Sealed System Inefficiency | View Details |
| – |
Water pooling at the bottom inside the freezer or on the floor in front.
|
Defrost Drain Blockage / Internal Leak | View Details |
No matching codes found
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