De Dietrich Freezers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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AL01
Freezer displays AL01 and beeps; temperature is rising and food is softening.
High Temperature Alarm
AL02
Freezer displays AL02 and may beep intermittently; temperature reading seems incorrect or unstable.
Freezer Compartment Temperature Sensor Fault
AL03
Freezer shows AL03; display may flash and compressor may not run correctly.
Evaporator Defrost Sensor or Defrost Circuit Fault
AL04
Freezer displays AL04; interior light may work but compressor does not start.
Compressor Start/Protection Fault
AL05
Freezer shows AL05; fan noise may stop and frost builds up on the evaporator.
Evaporator Fan Motor Fault
AL06
Freezer displays AL06; temperature may be too cold or not cold enough, and readings seem erratic.
Ambient or Cabinet Sensor Fault
AL07
Freezer shows AL07; compressor may run continuously or not at all, and temperature control is lost.
Main Control Board Fault
AL08
Freezer displays AL08; door alarm may not behave correctly or interior light stays on.
Door Switch / Door Contact Fault
AL09
Freezer shows AL09; may coincide with power cuts or unstable mains supply.
Power Supply / Voltage Fault
AL10
Freezer displays AL10; super-freeze or fast-freeze function does not operate correctly.
Super-Freeze Circuit or Button Fault
AL11
Freezer shows AL11; internal fan may run at incorrect speed or not at all, even though no ice is present.
Fan Speed / Feedback Fault
AL12
Freezer displays AL12; ice or frost may be excessive and defrost cycles seem absent.
Defrost System General Fault
AL13
Freezer shows AL13; display may be blank or partially lit, and controls may not respond.
User Interface / Display Board Fault
AL14
Freezer displays AL14; compressor stops and starts erratically, or unit shuts down unexpectedly.
Overtemperature Protection / Thermal Cut-Out Fault
AL15
Freezer shows AL15; internal temperature appears too low (over-freezing) or too high despite setpoint.
Thermostat / Temperature Regulation Fault
Symptom
Freezer beeping intermittently with no visible error code.
Unspecified Alarm / Door or Temperature Warning
Symptom
Freezer display works but buttons do not respond or respond intermittently.
Keypad / Touch Control Failure
Symptom
Freezer door difficult to open or creates a vacuum effect after closing.
Door Vacuum / Pressure Lock
Symptom
Freezer door not closing properly or pops open after closing.
Door Alignment / Seal Failure
Symptom
Freezer emits a bad smell or odor inside.
Internal Odor Contamination
Symptom
Freezer exterior sides or top feel very hot to the touch.
High Cabinet Surface Temperature
Symptom
Freezer interior light not working, but cooling is normal.
Interior Light Failure
Symptom
Freezer is noisy; loud humming, rattling, or buzzing during operation.
Excessive Operational Noise
Symptom
Freezer makes loud banging or knocking noises when compressor starts or stops.
Compressor or Pipework Knock
Symptom
Freezer not cooling at all; interior light works but temperature remains at room temperature.
Complete Loss of Cooling
Symptom
Freezer over-freezing; temperature much lower than setpoint, causing excessive frost on food.
Overcooling / Thermostat Stuck On
Symptom
Freezer runs but does not reach set temperature; food is soft and ice cream is mushy.
Insufficient Cooling / Poor Performance
Symptom
Freezer runs continuously without stopping.
Continuous Running
Symptom
Freezer shows incorrect temperature reading compared to a thermometer.
Temperature Display Inaccuracy
Symptom
Freezer starts then stops after a few seconds; clicking sound from compressor area.
Compressor Short Cycling / Start Failure
Symptom
Freezer temperature fluctuates widely; sometimes too warm, sometimes too cold.
Unstable Temperature Control
Symptom
Freezer vibrating excessively; can be felt through the floor or nearby cabinets.
Excessive Vibration
Symptom
Freezer will not start at all; no lights, no display, no sound.
No Power / Dead Appliance
Symptom
Freezer with door alarm feature does not alarm when door is left open.
Door Alarm Not Functioning
Symptom
Freezer with ice maker (if fitted) not producing ice, while freezing performance seems normal.
Ice Maker Not Working
Symptom
Heavy frost buildup on walls, shelves, and food.
Excessive Frost Formation
Symptom
Ice buildup on the freezer floor or under the bottom basket.
Internal Ice Leak / Blocked Drain
Symptom
Water leaking under or around the freezer.
External Water Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| AL01 |
Freezer displays AL01 and beeps; temperature is rising and food is softening.
|
High Temperature Alarm | View Details |
| AL02 |
Freezer displays AL02 and may beep intermittently; temperature reading seems incorrect or unstable.
|
Freezer Compartment Temperature Sensor Fault | View Details |
| AL03 |
Freezer shows AL03; display may flash and compressor may not run correctly.
|
Evaporator Defrost Sensor or Defrost Circuit Fault | View Details |
| AL04 |
Freezer displays AL04; interior light may work but compressor does not start.
|
Compressor Start/Protection Fault | View Details |
| AL05 |
Freezer shows AL05; fan noise may stop and frost builds up on the evaporator.
|
Evaporator Fan Motor Fault | View Details |
| AL06 |
Freezer displays AL06; temperature may be too cold or not cold enough, and readings seem erratic.
|
Ambient or Cabinet Sensor Fault | View Details |
| AL07 |
Freezer shows AL07; compressor may run continuously or not at all, and temperature control is lost.
|
Main Control Board Fault | View Details |
| AL08 |
Freezer displays AL08; door alarm may not behave correctly or interior light stays on.
|
Door Switch / Door Contact Fault | View Details |
| AL09 |
Freezer shows AL09; may coincide with power cuts or unstable mains supply.
|
Power Supply / Voltage Fault | View Details |
| AL10 |
Freezer displays AL10; super-freeze or fast-freeze function does not operate correctly.
|
Super-Freeze Circuit or Button Fault | View Details |
| AL11 |
Freezer shows AL11; internal fan may run at incorrect speed or not at all, even though no ice is present.
|
Fan Speed / Feedback Fault | View Details |
| AL12 |
Freezer displays AL12; ice or frost may be excessive and defrost cycles seem absent.
|
Defrost System General Fault | View Details |
| AL13 |
Freezer shows AL13; display may be blank or partially lit, and controls may not respond.
|
User Interface / Display Board Fault | View Details |
| AL14 |
Freezer displays AL14; compressor stops and starts erratically, or unit shuts down unexpectedly.
|
Overtemperature Protection / Thermal Cut-Out Fault | View Details |
| AL15 |
Freezer shows AL15; internal temperature appears too low (over-freezing) or too high despite setpoint.
|
Thermostat / Temperature Regulation Fault | View Details |
| – |
Freezer beeping intermittently with no visible error code.
|
Unspecified Alarm / Door or Temperature Warning | View Details |
| – |
Freezer display works but buttons do not respond or respond intermittently.
|
Keypad / Touch Control Failure | View Details |
| – |
Freezer door difficult to open or creates a vacuum effect after closing.
|
Door Vacuum / Pressure Lock | View Details |
| – |
Freezer door not closing properly or pops open after closing.
|
Door Alignment / Seal Failure | View Details |
| – |
Freezer emits a bad smell or odor inside.
|
Internal Odor Contamination | View Details |
| – |
Freezer exterior sides or top feel very hot to the touch.
|
High Cabinet Surface Temperature | View Details |
| – |
Freezer interior light not working, but cooling is normal.
|
Interior Light Failure | View Details |
| – |
Freezer is noisy; loud humming, rattling, or buzzing during operation.
|
Excessive Operational Noise | View Details |
| – |
Freezer makes loud banging or knocking noises when compressor starts or stops.
|
Compressor or Pipework Knock | View Details |
| – |
Freezer not cooling at all; interior light works but temperature remains at room temperature.
|
Complete Loss of Cooling | View Details |
| – |
Freezer over-freezing; temperature much lower than setpoint, causing excessive frost on food.
|
Overcooling / Thermostat Stuck On | View Details |
| – |
Freezer runs but does not reach set temperature; food is soft and ice cream is mushy.
|
Insufficient Cooling / Poor Performance | View Details |
| – |
Freezer runs continuously without stopping.
|
Continuous Running | View Details |
| – |
Freezer shows incorrect temperature reading compared to a thermometer.
|
Temperature Display Inaccuracy | View Details |
| – |
Freezer starts then stops after a few seconds; clicking sound from compressor area.
|
Compressor Short Cycling / Start Failure | View Details |
| – |
Freezer temperature fluctuates widely; sometimes too warm, sometimes too cold.
|
Unstable Temperature Control | View Details |
| – |
Freezer vibrating excessively; can be felt through the floor or nearby cabinets.
|
Excessive Vibration | View Details |
| – |
Freezer will not start at all; no lights, no display, no sound.
|
No Power / Dead Appliance | View Details |
| – |
Freezer with door alarm feature does not alarm when door is left open.
|
Door Alarm Not Functioning | View Details |
| – |
Freezer with ice maker (if fitted) not producing ice, while freezing performance seems normal.
|
Ice Maker Not Working | View Details |
| – |
Heavy frost buildup on walls, shelves, and food.
|
Excessive Frost Formation | View Details |
| – |
Ice buildup on the freezer floor or under the bottom basket.
|
Internal Ice Leak / Blocked Drain | View Details |
| – |
Water leaking under or around the freezer.
|
External Water Leak | View Details |
No matching codes found
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