Blomberg 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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dO
The display shows dO or the door icon; an audible alarm sounds, and cooling may be reduced.
Door Open Alarm / Door Switch Fault
E1
Wine cooler displays E1 and will not cool properly; interior temperature rises above the setpoint.
Cabinet Temperature Sensor (NTC) Failure
E10
Wine cooler displays E10, and the interior light or other low-voltage features may not work correctly.
Low-Voltage Power Supply Fault
E2
Wine cooler shows E2 and may run continuously or shut down cooling intermittently.
Evaporator Temperature Sensor (NTC) Failure
E3
Display shows E3, and the wine cooler temperature is inaccurate or fluctuates widely.
Ambient Temperature Sensor Failure
E4
Wine cooler beeps and displays E4; the unit may stop cooling or run erratically.
Defrost Sensor or Defrost Circuit Fault
E5
Wine cooler displays E5 and may not maintain the set temperature; compressor operation seems abnormal.
Compressor Overload or Inverter/Start Device Fault
E6
The display shows E6; the interior fan may not run, and cooling performance is poor or uneven.
Evaporator Fan Motor Fault
E7
Wine cooler displays E7 and may not respond correctly to temperature settings.
User Interface / Display Board Communication Error
E8
Wine cooler displays E8 and may shut down cooling or run at full power without proper control.
Main Control Board Failure
E9
The display shows E9; the unit may not defrost properly, and frost accumulates on the evaporator.
Defrost Thermostat / Safety Cutout Fault
Er
Display shows 'Er' or a generic error; the unit may beep and not respond to some controls.
Generic Control Error / Firmware Fault
H1
The display shows H1 or flashes a high temperature warning; the interior is much warmer than the setpoint.
High Temperature Alarm / Cooling Performance Fault
Hi
Display shows 'Hi' when adjusting temperature, and the unit will not accept a higher setpoint.
Maximum Setpoint Limit Indication (Not a Fault)
L1
The display shows L1 or a low temperature alarm; bottles may be too cold or partially frozen.
Low Temperature Alarm / Overcooling Fault
Lo
Display shows 'Lo' when adjusting temperature, and the unit will not accept a lower setpoint.
Minimum Setpoint Limit Indication (Not a Fault)
Symptom
Door does not close or seal properly; the door pops open slightly after closing.
Door Alignment / Hinge or Gasket Problem
Symptom
Dual-zone wine cooler: the upper zone cools, but the lower zone is warm (or vice versa).
Single-Zone Cooling Failure in Dual-Zone System
Symptom
Excessive vibration or shaking; bottles rattle when the compressor runs.
Cabinet Vibration / Leveling Issue
Symptom
Frost or ice buildup on the back wall or around the evaporator cover.
Defrost System Inefficiency
Symptom
Strong musty or moldy odor inside the wine cooler.
Microbial Growth on Interior Surfaces and Drain
Symptom
The cabinet or door exterior feels unusually hot to the touch.
Overheating Condenser or Door Frame Heaters
Symptom
The condenser fan is not running; the compressor is hot, and the unit is not cooling well.
Condenser Fan Failure
Symptom
The display is on, but buttons do not respond or respond intermittently.
Keypad / Touch Control Failure
Symptom
The door gasket is torn, cracked, or hardened; visible gaps are present around the door.
Door Gasket Deterioration
Symptom
The interior fan is noisy or not running; cold and warm spots are present inside the cabinet.
Evaporator Fan Performance Issue
Symptom
The interior of the wine cooler feels damp; condensation on bottles and walls.
High Humidity Inside Cabinet
Symptom
The temperature display does not match the actual temperature inside the wine cooler.
Temperature Calibration / Sensor Drift
Symptom
The wine cooler will not power on at all; the display and lights are off.
No Power / Electrical Supply Fault
Symptom
Water leaking onto the floor from under the wine cooler.
External Leak from Drain or Condensation
Symptom
Water pooling at the bottom of the wine cooler interior.
Clogged Defrost Drain
Symptom
Wine cooler interior light not working, but cooling is normal.
LED Lighting Circuit Failure
Symptom
Wine cooler interior too cold; bottles are very chilled or freezing even at the normal setpoint.
Thermostat / Temperature Control Failure
Symptom
Wine cooler makes a loud humming or buzzing noise from the rear.
Compressor or Condenser Fan Noise
Symptom
Wine cooler makes a rattling or clanking noise when the compressor starts or stops.
Loose Components or Tubing Vibration
Symptom
Wine cooler not cooling at all; the interior light works, but the temperature remains at room temperature.
Compressor Not Running
Symptom
Wine cooler produces a gurgling or hissing sound during operation.
Normal Refrigerant Flow Noise
Symptom
Wine cooler runs continuously but does not reach the set temperature; the interior is cool but not cold enough.
Reduced Cooling Capacity / Sealed System Inefficiency
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| dO |
The display shows dO or the door icon; an audible alarm sounds, and cooling may be reduced.
|
Door Open Alarm / Door Switch Fault | View Details |
| E1 |
Wine cooler displays E1 and will not cool properly; interior temperature rises above the setpoint.
|
Cabinet Temperature Sensor (NTC) Failure | View Details |
| E10 |
Wine cooler displays E10, and the interior light or other low-voltage features may not work correctly.
|
Low-Voltage Power Supply Fault | View Details |
| E2 |
Wine cooler shows E2 and may run continuously or shut down cooling intermittently.
|
Evaporator Temperature Sensor (NTC) Failure | View Details |
| E3 |
Display shows E3, and the wine cooler temperature is inaccurate or fluctuates widely.
|
Ambient Temperature Sensor Failure | View Details |
| E4 |
Wine cooler beeps and displays E4; the unit may stop cooling or run erratically.
|
Defrost Sensor or Defrost Circuit Fault | View Details |
| E5 |
Wine cooler displays E5 and may not maintain the set temperature; compressor operation seems abnormal.
|
Compressor Overload or Inverter/Start Device Fault | View Details |
| E6 |
The display shows E6; the interior fan may not run, and cooling performance is poor or uneven.
|
Evaporator Fan Motor Fault | View Details |
| E7 |
Wine cooler displays E7 and may not respond correctly to temperature settings.
|
User Interface / Display Board Communication Error | View Details |
| E8 |
Wine cooler displays E8 and may shut down cooling or run at full power without proper control.
|
Main Control Board Failure | View Details |
| E9 |
The display shows E9; the unit may not defrost properly, and frost accumulates on the evaporator.
|
Defrost Thermostat / Safety Cutout Fault | View Details |
| Er |
Display shows 'Er' or a generic error; the unit may beep and not respond to some controls.
|
Generic Control Error / Firmware Fault | View Details |
| H1 |
The display shows H1 or flashes a high temperature warning; the interior is much warmer than the setpoint.
|
High Temperature Alarm / Cooling Performance Fault | View Details |
| Hi |
Display shows 'Hi' when adjusting temperature, and the unit will not accept a higher setpoint.
|
Maximum Setpoint Limit Indication (Not a Fault) | View Details |
| L1 |
The display shows L1 or a low temperature alarm; bottles may be too cold or partially frozen.
|
Low Temperature Alarm / Overcooling Fault | View Details |
| Lo |
Display shows 'Lo' when adjusting temperature, and the unit will not accept a lower setpoint.
|
Minimum Setpoint Limit Indication (Not a Fault) | View Details |
| – |
Door does not close or seal properly; the door pops open slightly after closing.
|
Door Alignment / Hinge or Gasket Problem | View Details |
| – |
Dual-zone wine cooler: the upper zone cools, but the lower zone is warm (or vice versa).
|
Single-Zone Cooling Failure in Dual-Zone System | View Details |
| – |
Excessive vibration or shaking; bottles rattle when the compressor runs.
|
Cabinet Vibration / Leveling Issue | View Details |
| – |
Frost or ice buildup on the back wall or around the evaporator cover.
|
Defrost System Inefficiency | View Details |
| – |
Strong musty or moldy odor inside the wine cooler.
|
Microbial Growth on Interior Surfaces and Drain | View Details |
| – |
The cabinet or door exterior feels unusually hot to the touch.
|
Overheating Condenser or Door Frame Heaters | View Details |
| – |
The condenser fan is not running; the compressor is hot, and the unit is not cooling well.
|
Condenser Fan Failure | View Details |
| – |
The display is on, but buttons do not respond or respond intermittently.
|
Keypad / Touch Control Failure | View Details |
| – |
The door gasket is torn, cracked, or hardened; visible gaps are present around the door.
|
Door Gasket Deterioration | View Details |
| – |
The interior fan is noisy or not running; cold and warm spots are present inside the cabinet.
|
Evaporator Fan Performance Issue | View Details |
| – |
The interior of the wine cooler feels damp; condensation on bottles and walls.
|
High Humidity Inside Cabinet | View Details |
| – |
The temperature display does not match the actual temperature inside the wine cooler.
|
Temperature Calibration / Sensor Drift | View Details |
| – |
The wine cooler will not power on at all; the display and lights are off.
|
No Power / Electrical Supply Fault | View Details |
| – |
Water leaking onto the floor from under the wine cooler.
|
External Leak from Drain or Condensation | View Details |
| – |
Water pooling at the bottom of the wine cooler interior.
|
Clogged Defrost Drain | View Details |
| – |
Wine cooler interior light not working, but cooling is normal.
|
LED Lighting Circuit Failure | View Details |
| – |
Wine cooler interior too cold; bottles are very chilled or freezing even at the normal setpoint.
|
Thermostat / Temperature Control Failure | View Details |
| – |
Wine cooler makes a loud humming or buzzing noise from the rear.
|
Compressor or Condenser Fan Noise | View Details |
| – |
Wine cooler makes a rattling or clanking noise when the compressor starts or stops.
|
Loose Components or Tubing Vibration | View Details |
| – |
Wine cooler not cooling at all; the interior light works, but the temperature remains at room temperature.
|
Compressor Not Running | View Details |
| – |
Wine cooler produces a gurgling or hissing sound during operation.
|
Normal Refrigerant Flow Noise | View Details |
| – |
Wine cooler runs continuously but does not reach the set temperature; the interior is cool but not cold enough.
|
Reduced Cooling Capacity / Sealed System Inefficiency | View Details |
No matching codes found
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