Della Marta

Della Marta 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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CF
Display shows CF and the compressor runs continuously without cycling off.
Compressor Feedback / Run Time Fault
dE
Display shows dE and the unit beeps; cooling may stop until the error is cleared.
Door Open / Door Switch Fault
E0
Display shows E0 and the wine cooler does not respond to temperature adjustments.
Main Control Board Communication Fault
E1
Display shows E1 and the temperature reading is flashing or shows dashes. Cooler may run continuously or not at all.
Cabinet Temperature Sensor (NTC) Failure
E2
Display shows E2 and the unit may overcool or not cool properly. Temperature display may be inaccurate.
Evaporator Temperature Sensor (NTC) Failure
E3
Display shows E3 and the compressor or cooling module does not start or cycles erratically.
Ambient Temperature Sensor (NTC) Fault
E4
Display shows E4 and the compressor or Peltier module shuts down shortly after starting. Unit may beep.
Defrost Sensor or High-Temperature Protection Fault
E5
Display shows E5 and the compressor or cooling module does not run even though the set temperature is low.
Compressor Overload or Start Circuit Fault
E6
Display shows E6 and the interior fan does not run, or the unit shuts down shortly after starting.
Evaporator Fan Motor Fault
E7
Display shows E7 and the condenser fan (rear fan) does not run, causing poor cooling and hot sides.
Condenser Fan Motor Fault
E8
Display shows E8 and the unit beeps; temperature may rise. Often seen on thermoelectric (Peltier) Della Marta models.
Peltier Cooling Module Overheat or Circuit Fault
E9
Display shows E9 and the interior light or control panel may flicker or shut off intermittently.
Low Voltage or Power Supply Fault
Er
Display shows Er or "Err" and the controls may be locked or unresponsive.
General Control Panel Error
F1
Display shows F1 and the upper zone of a dual-zone Della Marta wine cooler does not maintain temperature.
Upper Zone Temperature Sensor Fault
F2
Display shows F2 and the lower zone of a dual-zone Della Marta wine cooler does not maintain temperature.
Lower Zone Temperature Sensor Fault
F3
Display shows F3 and the upper zone fan does not run or is very noisy.
Upper Zone Evaporator Fan Fault
F4
Display shows F4 and the lower zone fan does not run or the lower zone temperature is uneven.
Lower Zone Evaporator Fan Fault
H1
Display shows H1 and the interior temperature reading is extremely high or shows "HI".
High Temperature Alarm Condition
L1
Display shows L1 or "LO" and the interior temperature is much colder than the setpoint; bottles may be frosting.
Low Temperature Alarm / Thermostat Control Fault
Symptom
Chemical or plastic burning smell when the unit is running.
Overheating Electrical Component
Symptom
Compressor-based Della Marta wine cooler short cycles (turns on and off frequently).
Short Cycling – Control or Refrigeration Issue
Symptom
Display works but buttons do not respond or respond intermittently.
Keypad / Touch Control Failure
Symptom
Door glass fogs up frequently or shows condensation between glass panes.
Door Insulation / Seal Failure
Symptom
Dual-zone wine cooler shows large temperature difference between zones or zones seem reversed.
Dual-Zone Airflow or Sensor Misrouting
Symptom
Excessive frost or ice buildup on the back wall or around the evaporator.
Defrost System Failure or Air Leak
Symptom
High-pitched squealing or chirping noise from inside the cabinet.
Evaporator Fan Bearing Wear
Symptom
Interior light does not work but cooling is normal.
Interior LED Lighting Failure
Symptom
Loud humming or buzzing noise from the rear of the wine cooler.
Compressor or Fan Noise
Symptom
Rattling or clanking noise when the compressor starts or stops.
Compressor Mount or Tubing Vibration
Symptom
Strong musty or moldy odor inside the wine cooler.
Interior Mold / Bacteria Growth
Symptom
Temperature display is inaccurate compared to a separate thermometer inside the cabinet.
Temperature Calibration or Sensor Drift
Symptom
Thermoelectric (Peltier) Della Marta wine cooler cools only slightly or not at all, but fans are running.
Degraded Peltier Module Performance
Symptom
Unit beeps periodically without any visible error code and appears to function normally.
Door Ajar or Alarm System Nuisance Trigger
Symptom
Vibration or rattling noise when the wine cooler is running, especially when loaded with bottles.
Cabinet Vibration / Shelf Resonance
Symptom
Warm air or condensation around the door frame; door feels loose.
Door Gasket or Hinge Misalignment
Symptom
Water pooling at the bottom of the wine cooler or leaking onto the floor.
Drainage System Blockage or Pan Overflow
Symptom
Wine cooler does not cool at all; interior stays at room temperature and compressor or Peltier is silent.
No Cooling – Power or Control Failure
Symptom
Wine cooler runs but does not get cold enough; temperature stays above setpoint.
Insufficient Cooling Performance
Symptom
Wine cooler runs continuously and is too cold, even at the highest temperature setting.
Thermostat / Temperature Control Stuck Closed
Symptom
Wine cooler will not turn on at all; display is blank and no lights or sounds.
No Power – Dead Unit
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