De Dietrich Wine Coolers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E1
Digital display shows E1 and cabinet is not cooling properly or temperature is unstable.
Cabinet Temperature Sensor (NTC) Failure
E10
Display shows E10 and the door alarm may sound continuously even when the door is closed.
Door Switch / Door Sensor Fault
E11
Display shows E11 and the humidity display (if equipped) is inaccurate or shows dashes; cabinet may feel too dry or too humid.
Humidity Sensor Fault
E12
Display shows E12 and the upper zone of a dual-zone wine cooler does not maintain set temperature.
Upper Zone Temperature Sensor Fault
E13
Display shows E13 and the lower zone of a dual-zone wine cooler does not maintain set temperature.
Lower Zone Temperature Sensor Fault
E14
Display shows E14 and the internal light does not operate correctly or flickers.
LED Lighting Circuit Fault
E15
Display shows E15 and the touch controls or buttons do not respond correctly.
User Interface / Touch Panel Communication Fault
E16
Display shows E16 and the unit may stop cooling after a short run; compressor protection may be active.
Overtemperature / Overload Protection Fault
E17
Display shows E17 and the unit may beep or lock out; internal memory or configuration appears corrupted.
Control Board EEPROM / Configuration Fault
E18
Display shows E18 and the unit may not respond to temperature changes; setpoint cannot be adjusted.
Keypad / Button Matrix Fault
E19
Display shows E19 and the unit may not cool despite fans running; compressor may be off.
Compressor Relay / Output Fault
E2
Display shows E2 and the unit may overcool or not cool at all; compressor cycling is irregular.
Evaporator Temperature Sensor (NTC) Failure
E20
Display shows E20 and the unit may show abnormal temperature readings or freeze bottles unexpectedly.
Sensor Calibration / Range Error
E3
Display shows E3 and the ambient temperature reading is incorrect or dashes are shown; cooling performance may be erratic.
Ambient Temperature Sensor (NTC) Failure
E4
Display shows E4 and the unit may not defrost properly; heavy ice buildup on evaporator or frequent temperature swings.
Defrost Sensor or Defrost Circuit Fault
E5
Display shows E5 and compressor may not start or may run continuously; temperature control is lost.
Main Control Board Temperature Processing Fault
E6
Display shows E6 and the internal fan does not run or runs erratically; temperature is uneven inside the cabinet.
Evaporator / Internal Circulation Fan Fault
E7
Display shows E7 and the condenser fan (if fitted) does not run; cabinet becomes warm and compressor runs hot.
Condenser Fan Motor Fault
E8
Display shows E8 and the compressor does not start; cabinet warms up despite power being on.
Compressor Start / Inverter Drive Fault
E9
Display shows E9 and the unit may shut down unexpectedly or not power up correctly; display may flicker.
Low Voltage / Power Supply Fault
Symptom
Control panel buttons are unresponsive or respond intermittently; temperature cannot be adjusted reliably.
Intermittent User Interface Operation
Symptom
Display shows temperature but actual cabinet temperature is significantly different; wines are too warm or too cold.
Temperature Display Inaccuracy
Symptom
Door does not close properly or pops open slightly after being shut.
Door Alignment / Hinge or Gasket Problem
Symptom
Door glass fogs up or shows condensation on the outside.
Door Glass Condensation
Symptom
Ice buildup on the internal rear wall or around the evaporator; airflow is restricted and cooling performance drops.
Excessive Frost / Ice Accumulation
Symptom
Interior light does not turn on when the door is opened, but the cooler otherwise operates normally.
Interior Light Failure
Symptom
Interior light stays on all the time, even when the door is closed, causing the cabinet to warm up.
Door Switch Stuck Closed
Symptom
Shelves are difficult to slide or do not sit correctly, risking bottle instability.
Shelf Support / Rail Misalignment
Symptom
Temperature between upper and lower zones is not separated; both zones are at similar temperatures despite different setpoints.
Dual-Zone Airflow / Partition Fault
Symptom
Unit cycles on and off very frequently (short cycling), with compressor starting and stopping every few minutes.
Short Cycling of Compressor
Symptom
Unit vibrates or rattles specifically when the internal fan runs; noise stops when fan stops.
Internal Fan Imbalance or Mounting Issue
Symptom
Water collects at the bottom of the wine cooler or on shelves; excessive condensation is visible.
Condensation / Drainage Problem
Symptom
Wine cooler does not cool at all; interior is at room temperature, though lights and display work.
Complete Loss of Cooling
Symptom
Wine cooler emits a strong chemical or burning smell during operation.
Overheating Electrical Component or Contaminant on Heater
Symptom
Wine cooler interior is too cold and bottles may partially freeze even at a moderate set temperature.
Thermostat / Temperature Control Overshoot
Symptom
Wine cooler is noisy; loud humming, rattling, or vibrating sounds are heard during operation.
Excessive Vibration / Mechanical Noise
Symptom
Wine cooler makes a gurgling or hissing noise that seems unusual to the user.
Normal Refrigerant Flow Noise (Perceived Fault)
Symptom
Wine cooler runs continuously but does not reach the set temperature; only slight cooling is achieved.
Partial Loss of Cooling / Low Refrigerant Charge
Symptom
Wine cooler trips the household circuit breaker or RCD when plugged in or shortly after starting.
Electrical Short / Ground Fault
Symptom
Wine cooler will not power on at all; display is blank and no sounds are heard.
No Power / Dead Appliance
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Digital display shows E1 and cabinet is not cooling properly or temperature is unstable.
|
Cabinet Temperature Sensor (NTC) Failure | View Details |
| E10 |
Display shows E10 and the door alarm may sound continuously even when the door is closed.
|
Door Switch / Door Sensor Fault | View Details |
| E11 |
Display shows E11 and the humidity display (if equipped) is inaccurate or shows dashes; cabinet may feel too dry or too humid.
|
Humidity Sensor Fault | View Details |
| E12 |
Display shows E12 and the upper zone of a dual-zone wine cooler does not maintain set temperature.
|
Upper Zone Temperature Sensor Fault | View Details |
| E13 |
Display shows E13 and the lower zone of a dual-zone wine cooler does not maintain set temperature.
|
Lower Zone Temperature Sensor Fault | View Details |
| E14 |
Display shows E14 and the internal light does not operate correctly or flickers.
|
LED Lighting Circuit Fault | View Details |
| E15 |
Display shows E15 and the touch controls or buttons do not respond correctly.
|
User Interface / Touch Panel Communication Fault | View Details |
| E16 |
Display shows E16 and the unit may stop cooling after a short run; compressor protection may be active.
|
Overtemperature / Overload Protection Fault | View Details |
| E17 |
Display shows E17 and the unit may beep or lock out; internal memory or configuration appears corrupted.
|
Control Board EEPROM / Configuration Fault | View Details |
| E18 |
Display shows E18 and the unit may not respond to temperature changes; setpoint cannot be adjusted.
|
Keypad / Button Matrix Fault | View Details |
| E19 |
Display shows E19 and the unit may not cool despite fans running; compressor may be off.
|
Compressor Relay / Output Fault | View Details |
| E2 |
Display shows E2 and the unit may overcool or not cool at all; compressor cycling is irregular.
|
Evaporator Temperature Sensor (NTC) Failure | View Details |
| E20 |
Display shows E20 and the unit may show abnormal temperature readings or freeze bottles unexpectedly.
|
Sensor Calibration / Range Error | View Details |
| E3 |
Display shows E3 and the ambient temperature reading is incorrect or dashes are shown; cooling performance may be erratic.
|
Ambient Temperature Sensor (NTC) Failure | View Details |
| E4 |
Display shows E4 and the unit may not defrost properly; heavy ice buildup on evaporator or frequent temperature swings.
|
Defrost Sensor or Defrost Circuit Fault | View Details |
| E5 |
Display shows E5 and compressor may not start or may run continuously; temperature control is lost.
|
Main Control Board Temperature Processing Fault | View Details |
| E6 |
Display shows E6 and the internal fan does not run or runs erratically; temperature is uneven inside the cabinet.
|
Evaporator / Internal Circulation Fan Fault | View Details |
| E7 |
Display shows E7 and the condenser fan (if fitted) does not run; cabinet becomes warm and compressor runs hot.
|
Condenser Fan Motor Fault | View Details |
| E8 |
Display shows E8 and the compressor does not start; cabinet warms up despite power being on.
|
Compressor Start / Inverter Drive Fault | View Details |
| E9 |
Display shows E9 and the unit may shut down unexpectedly or not power up correctly; display may flicker.
|
Low Voltage / Power Supply Fault | View Details |
| – |
Control panel buttons are unresponsive or respond intermittently; temperature cannot be adjusted reliably.
|
Intermittent User Interface Operation | View Details |
| – |
Display shows temperature but actual cabinet temperature is significantly different; wines are too warm or too cold.
|
Temperature Display Inaccuracy | View Details |
| – |
Door does not close properly or pops open slightly after being shut.
|
Door Alignment / Hinge or Gasket Problem | View Details |
| – |
Door glass fogs up or shows condensation on the outside.
|
Door Glass Condensation | View Details |
| – |
Ice buildup on the internal rear wall or around the evaporator; airflow is restricted and cooling performance drops.
|
Excessive Frost / Ice Accumulation | View Details |
| – |
Interior light does not turn on when the door is opened, but the cooler otherwise operates normally.
|
Interior Light Failure | View Details |
| – |
Interior light stays on all the time, even when the door is closed, causing the cabinet to warm up.
|
Door Switch Stuck Closed | View Details |
| – |
Shelves are difficult to slide or do not sit correctly, risking bottle instability.
|
Shelf Support / Rail Misalignment | View Details |
| – |
Temperature between upper and lower zones is not separated; both zones are at similar temperatures despite different setpoints.
|
Dual-Zone Airflow / Partition Fault | View Details |
| – |
Unit cycles on and off very frequently (short cycling), with compressor starting and stopping every few minutes.
|
Short Cycling of Compressor | View Details |
| – |
Unit vibrates or rattles specifically when the internal fan runs; noise stops when fan stops.
|
Internal Fan Imbalance or Mounting Issue | View Details |
| – |
Water collects at the bottom of the wine cooler or on shelves; excessive condensation is visible.
|
Condensation / Drainage Problem | View Details |
| – |
Wine cooler does not cool at all; interior is at room temperature, though lights and display work.
|
Complete Loss of Cooling | View Details |
| – |
Wine cooler emits a strong chemical or burning smell during operation.
|
Overheating Electrical Component or Contaminant on Heater | View Details |
| – |
Wine cooler interior is too cold and bottles may partially freeze even at a moderate set temperature.
|
Thermostat / Temperature Control Overshoot | View Details |
| – |
Wine cooler is noisy; loud humming, rattling, or vibrating sounds are heard during operation.
|
Excessive Vibration / Mechanical Noise | View Details |
| – |
Wine cooler makes a gurgling or hissing noise that seems unusual to the user.
|
Normal Refrigerant Flow Noise (Perceived Fault) | View Details |
| – |
Wine cooler runs continuously but does not reach the set temperature; only slight cooling is achieved.
|
Partial Loss of Cooling / Low Refrigerant Charge | View Details |
| – |
Wine cooler trips the household circuit breaker or RCD when plugged in or shortly after starting.
|
Electrical Short / Ground Fault | View Details |
| – |
Wine cooler will not power on at all; display is blank and no sounds are heard.
|
No Power / Dead Appliance | View Details |
No matching codes found
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