Luma
Luma 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 interior fan does not run; temperature is stratified (warmer at top or bottom).
Circulation Fan Failure
dE
Display shows dE and the unit may beep; interior light may stay on and cooling may stop.
Door Open / Door Switch Error
E0
Display shows E0 and the wine cooler will not cool; interior fan may or may not run.
Cabinet Temperature Sensor Failure
E1
Display shows E1 and the wine cooler runs continuously or not at all; temperature reading is inaccurate or dashes.
Evaporator Temperature Sensor Failure
E2
Display shows E2 and the unit may shut down or run erratically; temperature setpoint cannot be maintained.
Ambient (Room) Temperature Sensor Fault
E3
Display shows E3 and the compressor or cooling module does not start; fan may still run.
Compressor Start/Overload Protection Fault
E4
Display shows E4 and the unit may stop cooling or cycle off prematurely; heavy frost may be present on the evaporator.
Defrost Sensor or Defrost Circuit Fault
E5
Display shows E5 and the unit may shut down or run at reduced power; sometimes accompanied by warm temperatures.
High Temperature Protection / Overheat Fault
E6
Display shows E6 and the interior fan may not run; temperature is uneven inside the cabinet.
Evaporator Fan Motor Fault
E7
Display shows E7 and the unit may not respond to temperature changes; buttons may still work.
Control Panel / Touchpad Communication Error
E8
Display shows E8 and the compressor or Peltier module does not run; unit may beep or shut down.
Power Module / Inverter Fault
E9
Display shows E9 and the unit may not cool properly; sometimes accompanied by fan cycling or unusual noises.
Compressor Overload / Low Voltage Protection
Er
Display shows Er or flashes all segments; unit may not respond to button presses.
General Control Error / Firmware Fault
H1
Display shows H1 and the interior temperature is much warmer than the setpoint.
High Temperature Alarm
L1
Display shows L1 and the interior feels very cold; some bottles may be too chilled.
Low Temperature Alarm
Symptom
Beeping alarm sounds periodically even though temperature appears normal and door is closed.
Nuisance Alarm / Sensor or Door Detection Issue
Symptom
Cabinet interior is too dry; corks appear to be drying out over time.
Low Humidity Inside Wine Cooler
Symptom
Cabinet interior is too humid; labels peel and mold spots appear.
High Humidity Inside Wine Cooler
Symptom
Clicking sound every few minutes; compressor attempts to start but shuts off quickly; no cooling.
Compressor Short Cycling on Overload
Symptom
Condensation forming on the inside glass door, especially in humid weather.
Door Condensation / Insulation Issue
Symptom
Display is dim, flickering, or some segments are missing, but cooling still works.
Display Module Degradation
Symptom
Display works but buttons do not respond or respond intermittently.
Unresponsive Touch Controls
Symptom
Door does not seal properly; condensation or frost forms around the door frame.
Door Gasket Failure / Misalignment
Symptom
Dual-zone Luma wine cooler: upper zone cools but lower zone is warm (or vice versa).
Single-Zone Cooling Failure in Dual-Zone System
Symptom
Excessive frost or ice buildup on the back wall or evaporator; airflow is restricted and cooling performance drops.
Frost Buildup / Defrost Failure
Symptom
Exterior side walls of the wine cooler feel excessively hot to the touch.
Overheating Cabinet / Condenser Loop
Symptom
High-pitched squealing or chirping noise from inside the cabinet.
Evaporator Fan Bearing Wear
Symptom
Interior light does not turn on when door is opened, but the rest of the unit works.
Interior Light Failure
Symptom
Interior light stays on all the time, even when the door is closed; cabinet may overheat slightly.
Stuck Door Switch / Light Circuit Fault
Symptom
Interior temperature fluctuates widely; some days too warm, other days too cold, without changing settings.
Erratic Temperature Control
Symptom
Loud humming, rattling, or vibrating noise during operation.
Excessive Vibration / Mechanical Noise
Symptom
Mold or mildew odor inside the wine cooler.
Biological Odor Contamination
Symptom
Strong chemical or burning smell when the wine cooler is running.
Overheating Electrical Component
Symptom
Water pooling at the bottom of the wine cooler or leaking onto the floor.
Drainage / Condensate Leak
Symptom
Wine cooler does not cool at all; interior stays at room temperature; display and lights work.
Non-Starting Compressor or Cooling Module
Symptom
Wine cooler runs but does not get cold enough; interior stabilizes above 60°F (16°C) despite low setpoint.
Insufficient Cooling / Partial Loss of Refrigerant Charge
Symptom
Wine cooler trips the circuit breaker or GFCI outlet when it starts.
Electrical Short / Ground Fault
Symptom
Wine cooler will not power on at all; display is blank and no lights or fans run.
No Power / Dead Unit
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Display shows CF and the interior fan does not run; temperature is stratified (warmer at top or bottom).
|
Circulation Fan Failure | View Details |
| dE |
Display shows dE and the unit may beep; interior light may stay on and cooling may stop.
|
Door Open / Door Switch Error | View Details |
| E0 |
Display shows E0 and the wine cooler will not cool; interior fan may or may not run.
|
Cabinet Temperature Sensor Failure | View Details |
| E1 |
Display shows E1 and the wine cooler runs continuously or not at all; temperature reading is inaccurate or dashes.
|
Evaporator Temperature Sensor Failure | View Details |
| E2 |
Display shows E2 and the unit may shut down or run erratically; temperature setpoint cannot be maintained.
|
Ambient (Room) Temperature Sensor Fault | View Details |
| E3 |
Display shows E3 and the compressor or cooling module does not start; fan may still run.
|
Compressor Start/Overload Protection Fault | View Details |
| E4 |
Display shows E4 and the unit may stop cooling or cycle off prematurely; heavy frost may be present on the evaporator.
|
Defrost Sensor or Defrost Circuit Fault | View Details |
| E5 |
Display shows E5 and the unit may shut down or run at reduced power; sometimes accompanied by warm temperatures.
|
High Temperature Protection / Overheat Fault | View Details |
| E6 |
Display shows E6 and the interior fan may not run; temperature is uneven inside the cabinet.
|
Evaporator Fan Motor Fault | View Details |
| E7 |
Display shows E7 and the unit may not respond to temperature changes; buttons may still work.
|
Control Panel / Touchpad Communication Error | View Details |
| E8 |
Display shows E8 and the compressor or Peltier module does not run; unit may beep or shut down.
|
Power Module / Inverter Fault | View Details |
| E9 |
Display shows E9 and the unit may not cool properly; sometimes accompanied by fan cycling or unusual noises.
|
Compressor Overload / Low Voltage Protection | View Details |
| Er |
Display shows Er or flashes all segments; unit may not respond to button presses.
|
General Control Error / Firmware Fault | View Details |
| H1 |
Display shows H1 and the interior temperature is much warmer than the setpoint.
|
High Temperature Alarm | View Details |
| L1 |
Display shows L1 and the interior feels very cold; some bottles may be too chilled.
|
Low Temperature Alarm | View Details |
| – |
Beeping alarm sounds periodically even though temperature appears normal and door is closed.
|
Nuisance Alarm / Sensor or Door Detection Issue | View Details |
| – |
Cabinet interior is too dry; corks appear to be drying out over time.
|
Low Humidity Inside Wine Cooler | View Details |
| – |
Cabinet interior is too humid; labels peel and mold spots appear.
|
High Humidity Inside Wine Cooler | View Details |
| – |
Clicking sound every few minutes; compressor attempts to start but shuts off quickly; no cooling.
|
Compressor Short Cycling on Overload | View Details |
| – |
Condensation forming on the inside glass door, especially in humid weather.
|
Door Condensation / Insulation Issue | View Details |
| – |
Display is dim, flickering, or some segments are missing, but cooling still works.
|
Display Module Degradation | View Details |
| – |
Display works but buttons do not respond or respond intermittently.
|
Unresponsive Touch Controls | View Details |
| – |
Door does not seal properly; condensation or frost forms around the door frame.
|
Door Gasket Failure / Misalignment | View Details |
| – |
Dual-zone Luma wine cooler: upper zone cools but lower zone is warm (or vice versa).
|
Single-Zone Cooling Failure in Dual-Zone System | View Details |
| – |
Excessive frost or ice buildup on the back wall or evaporator; airflow is restricted and cooling performance drops.
|
Frost Buildup / Defrost Failure | View Details |
| – |
Exterior side walls of the wine cooler feel excessively hot to the touch.
|
Overheating Cabinet / Condenser Loop | View Details |
| – |
High-pitched squealing or chirping noise from inside the cabinet.
|
Evaporator Fan Bearing Wear | View Details |
| – |
Interior light does not turn on when door is opened, but the rest of the unit works.
|
Interior Light Failure | View Details |
| – |
Interior light stays on all the time, even when the door is closed; cabinet may overheat slightly.
|
Stuck Door Switch / Light Circuit Fault | View Details |
| – |
Interior temperature fluctuates widely; some days too warm, other days too cold, without changing settings.
|
Erratic Temperature Control | View Details |
| – |
Loud humming, rattling, or vibrating noise during operation.
|
Excessive Vibration / Mechanical Noise | View Details |
| – |
Mold or mildew odor inside the wine cooler.
|
Biological Odor Contamination | View Details |
| – |
Strong chemical or burning smell when the wine cooler is running.
|
Overheating Electrical Component | View Details |
| – |
Water pooling at the bottom of the wine cooler or leaking onto the floor.
|
Drainage / Condensate Leak | View Details |
| – |
Wine cooler does not cool at all; interior stays at room temperature; display and lights work.
|
Non-Starting Compressor or Cooling Module | View Details |
| – |
Wine cooler runs but does not get cold enough; interior stabilizes above 60°F (16°C) despite low setpoint.
|
Insufficient Cooling / Partial Loss of Refrigerant Charge | View Details |
| – |
Wine cooler trips the circuit breaker or GFCI outlet when it starts.
|
Electrical Short / Ground Fault | View Details |
| – |
Wine cooler will not power on at all; display is blank and no lights or fans run.
|
No Power / Dead Unit | View Details |
No matching codes found
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