Wolf 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
Display shows dO or door icon and an audible alarm sounds even when the door appears closed.
Door Open Alarm / Door Switch Fault
E1
Display shows E1 and temperature reading may be inaccurate or dashes may appear.
Upper Zone Temperature Sensor Error (Dual-Zone Models)
E2
Display shows E2 and lower zone temperature may not control correctly.
Lower Zone Temperature Sensor Error (Dual-Zone Models)
E3
Display shows E3 and the evaporator fan may not run or may run erratically.
Evaporator Fan Motor Error
E4
Display shows E4 and the condenser fan may not run, causing overheating.
Condenser Fan Motor Error
E5
Display shows E5 and the unit may not defrost correctly or may show erratic temperature swings.
Defrost Sensor / Heater Circuit Error
E6
Display shows E6 and the door alarm may not function correctly or interior lights may behave erratically.
Door Switch / Door Sensor Error
E7
Display shows E7 and the unit may not respond to keypad presses or may beep continuously.
Keypad / Touch Control Error
E8
Display shows E8 and the interior LED lighting may not function or may flicker.
LED Lighting Circuit Error
E9
Display shows E9 and the unit may not maintain humidity or may show erratic humidity readings (if equipped).
Humidity Sensor Error
EC
Display shows EC and unit may not cool properly or may shut down intermittently.
General Electronic Control Fault
EC1
Display shows EC1 and unit may run continuously or not maintain set temperature.
Cabinet Temperature Sensor Failure
EC2
Display shows EC2 and unit may not defrost properly or may ice up around the evaporator.
Evaporator Temperature Sensor Failure
EC3
Display shows EC3 and unit may not defrost or may shut down due to frost buildup.
Defrost System Failure
EC4
Display shows EC4 and unit may not cool or may short-cycle.
Compressor or Inverter Drive Fault
EC5
Display shows EC5 and interior temperature may fluctuate widely.
Ambient (Room) Temperature Sensor Fault
EC6
Display shows EC6 and unit may not respond correctly to user settings or may shut down unexpectedly.
User Interface / Display Board Communication Error
EC7
Display shows EC7 and interior lights or fans may not operate correctly.
Low-Voltage Power Supply Fault
EC8
Display shows EC8 and the unit may not cool or may run continuously.
Refrigeration System Performance Fault
EC9
Display shows EC9 and the unit may shut down or run erratically after power disturbances.
EEPROM / Control Memory Error
HI
Display shows HI or flashes a high temperature warning; interior is warmer than setpoint.
High Temperature Alarm
LO
Display shows LO or a low temperature warning; interior may be colder than setpoint and bottles may be too cold.
Low Temperature Alarm / Overcooling
Symptom
Buttons on the control panel do not respond or respond intermittently.
Unresponsive Controls
Symptom
Cabinet exterior sides or top feel excessively hot to the touch.
Overheating Cabinet / Poor Ventilation
Symptom
Display is blank or dark, but interior light may still work.
Display Power / User Interface Failure
Symptom
Door does not close or seal properly; visible gap or door pops open.
Door Alignment / Seal Failure
Symptom
Excessive condensation or moisture on the interior glass door or cabinet walls.
High Humidity / Condensation
Symptom
Excessive frost or ice buildup on the evaporator cover or back wall inside the wine cooler.
Evaporator Frost / Defrost Failure
Symptom
Interior light does not turn on when door is opened.
Interior Lighting Failure
Symptom
Interior light stays on even when the door is closed, causing warming and possible condensation.
Stuck Interior Light / Door Switch Fault
Symptom
Loud humming, buzzing, or rattling noise coming from the wine cooler during operation.
Excessive Operational Noise
Symptom
Noticeable vibration transmitted to cabinetry or bottles; rattling of bottles on shelves.
Excessive Vibration
Symptom
Shelves difficult to slide, binding, or scraping against cabinet walls.
Shelf Track / Glide Wear
Symptom
Strong musty, moldy, or chemical odor inside the wine cooler.
Odor / Contamination
Symptom
Unit cools but temperature fluctuates widely; bottles sometimes too warm or too cold.
Temperature Regulation Instability
Symptom
Unit makes a gurgling or hissing sound periodically.
Normal Refrigerant Flow Noise (Perceived Fault)
Symptom
Unit trips the household circuit breaker or GFCI outlet when it starts.
Electrical Overload / Ground Fault
Symptom
Water pooling at the bottom of the cabinet or leaking onto the floor in front of the wine cooler.
Drain System Blockage / Condensate Leak
Symptom
Wine cooler not cooling at all; interior at room temperature, display powered.
Non-Running Compressor / No Cooling
Symptom
Wine cooler runs constantly but does not reach set temperature; interior is cool but not cold enough.
Insufficient Cooling / Long Run Time
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| dO |
Display shows dO or door icon and an audible alarm sounds even when the door appears closed.
|
Door Open Alarm / Door Switch Fault | View Details |
| E1 |
Display shows E1 and temperature reading may be inaccurate or dashes may appear.
|
Upper Zone Temperature Sensor Error (Dual-Zone Models) | View Details |
| E2 |
Display shows E2 and lower zone temperature may not control correctly.
|
Lower Zone Temperature Sensor Error (Dual-Zone Models) | View Details |
| E3 |
Display shows E3 and the evaporator fan may not run or may run erratically.
|
Evaporator Fan Motor Error | View Details |
| E4 |
Display shows E4 and the condenser fan may not run, causing overheating.
|
Condenser Fan Motor Error | View Details |
| E5 |
Display shows E5 and the unit may not defrost correctly or may show erratic temperature swings.
|
Defrost Sensor / Heater Circuit Error | View Details |
| E6 |
Display shows E6 and the door alarm may not function correctly or interior lights may behave erratically.
|
Door Switch / Door Sensor Error | View Details |
| E7 |
Display shows E7 and the unit may not respond to keypad presses or may beep continuously.
|
Keypad / Touch Control Error | View Details |
| E8 |
Display shows E8 and the interior LED lighting may not function or may flicker.
|
LED Lighting Circuit Error | View Details |
| E9 |
Display shows E9 and the unit may not maintain humidity or may show erratic humidity readings (if equipped).
|
Humidity Sensor Error | View Details |
| EC |
Display shows EC and unit may not cool properly or may shut down intermittently.
|
General Electronic Control Fault | View Details |
| EC1 |
Display shows EC1 and unit may run continuously or not maintain set temperature.
|
Cabinet Temperature Sensor Failure | View Details |
| EC2 |
Display shows EC2 and unit may not defrost properly or may ice up around the evaporator.
|
Evaporator Temperature Sensor Failure | View Details |
| EC3 |
Display shows EC3 and unit may not defrost or may shut down due to frost buildup.
|
Defrost System Failure | View Details |
| EC4 |
Display shows EC4 and unit may not cool or may short-cycle.
|
Compressor or Inverter Drive Fault | View Details |
| EC5 |
Display shows EC5 and interior temperature may fluctuate widely.
|
Ambient (Room) Temperature Sensor Fault | View Details |
| EC6 |
Display shows EC6 and unit may not respond correctly to user settings or may shut down unexpectedly.
|
User Interface / Display Board Communication Error | View Details |
| EC7 |
Display shows EC7 and interior lights or fans may not operate correctly.
|
Low-Voltage Power Supply Fault | View Details |
| EC8 |
Display shows EC8 and the unit may not cool or may run continuously.
|
Refrigeration System Performance Fault | View Details |
| EC9 |
Display shows EC9 and the unit may shut down or run erratically after power disturbances.
|
EEPROM / Control Memory Error | View Details |
| HI |
Display shows HI or flashes a high temperature warning; interior is warmer than setpoint.
|
High Temperature Alarm | View Details |
| LO |
Display shows LO or a low temperature warning; interior may be colder than setpoint and bottles may be too cold.
|
Low Temperature Alarm / Overcooling | View Details |
| – |
Buttons on the control panel do not respond or respond intermittently.
|
Unresponsive Controls | View Details |
| – |
Cabinet exterior sides or top feel excessively hot to the touch.
|
Overheating Cabinet / Poor Ventilation | View Details |
| – |
Display is blank or dark, but interior light may still work.
|
Display Power / User Interface Failure | View Details |
| – |
Door does not close or seal properly; visible gap or door pops open.
|
Door Alignment / Seal Failure | View Details |
| – |
Excessive condensation or moisture on the interior glass door or cabinet walls.
|
High Humidity / Condensation | View Details |
| – |
Excessive frost or ice buildup on the evaporator cover or back wall inside the wine cooler.
|
Evaporator Frost / Defrost Failure | View Details |
| – |
Interior light does not turn on when door is opened.
|
Interior Lighting Failure | View Details |
| – |
Interior light stays on even when the door is closed, causing warming and possible condensation.
|
Stuck Interior Light / Door Switch Fault | View Details |
| – |
Loud humming, buzzing, or rattling noise coming from the wine cooler during operation.
|
Excessive Operational Noise | View Details |
| – |
Noticeable vibration transmitted to cabinetry or bottles; rattling of bottles on shelves.
|
Excessive Vibration | View Details |
| – |
Shelves difficult to slide, binding, or scraping against cabinet walls.
|
Shelf Track / Glide Wear | View Details |
| – |
Strong musty, moldy, or chemical odor inside the wine cooler.
|
Odor / Contamination | View Details |
| – |
Unit cools but temperature fluctuates widely; bottles sometimes too warm or too cold.
|
Temperature Regulation Instability | View Details |
| – |
Unit makes a gurgling or hissing sound periodically.
|
Normal Refrigerant Flow Noise (Perceived Fault) | View Details |
| – |
Unit trips the household circuit breaker or GFCI outlet when it starts.
|
Electrical Overload / Ground Fault | View Details |
| – |
Water pooling at the bottom of the cabinet or leaking onto the floor in front of the wine cooler.
|
Drain System Blockage / Condensate Leak | View Details |
| – |
Wine cooler not cooling at all; interior at room temperature, display powered.
|
Non-Running Compressor / No Cooling | View Details |
| – |
Wine cooler runs constantly but does not reach set temperature; interior is cool but not cold enough.
|
Insufficient Cooling / Long Run Time | View Details |
No matching codes found
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