Costway
Costway 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
Wine cooler displays CF and cooling performance is poor or intermittent.
Condenser Fan Error (Compressor Models)
dE
Wine cooler beeps and displays dE; cooling may stop until the error is cleared.
Door Open or Door Switch Error
E1
Wine cooler beeps and displays E1, interior temperature not cooling correctly or fluctuates wildly.
Cabinet Temperature Sensor (NTC) Failure or Open Circuit
E2
Wine cooler displays E2 and may run continuously or not cool properly.
Evaporator Temperature Sensor (NTC) Failure or Short Circuit
E3
Wine cooler shows E3 and may not maintain the set temperature; compressor or fans may cycle abnormally.
Ambient (Room) Temperature Sensor Failure
E4
Wine cooler displays E4 and may shut down cooling or run erratically.
Defrost Sensor or Defrost Circuit Error (for compressor-based models with defrost)
E5
Wine cooler shows E5 and may not cool; compressor or Peltier module may not start.
Compressor or Peltier Power Drive Fault
E6
Wine cooler displays E6 and may not respond correctly to keypad or temperature settings.
User Interface / Display Panel Communication Error
E7
Wine cooler shows E7 and interior light or fan may not operate correctly.
Low Voltage or Power Supply Error
Er
Display shows Er or flashes all segments; controls may be unresponsive.
General Control Board or Firmware Error
F1
Dual-zone Costway wine cooler shows F1 on upper or lower zone display; that zone does not cool correctly.
Upper/Lower Zone Temperature Sensor Fault
F2
Dual-zone Costway wine cooler shows F2 and one zone may be much warmer or colder than set.
Zone Fan or Air Circulation Fault
H1
Display shows H1 and the cooler runs continuously but cannot reach set temperature.
High Temperature Alarm / Over-Temperature Condition
L1
Display shows L1 and interior temperature is too cold; bottles may be over-chilled.
Low Temperature Alarm / Over-Cooling Condition
PF
Display shows PF after a power outage; unit may beep but otherwise operates normally.
Power Failure Memory Alert
Symptom
Buttons on the control panel do not respond or respond intermittently.
Unresponsive Touch Controls / Keypad Failure
Symptom
Clicking sound from the rear; compressor tries to start but shuts off repeatedly, little or no cooling.
Compressor Hard Start / Overload Tripping
Symptom
Compressor runs continuously without cycling off.
Continuous Run / Unable to Reach Setpoint
Symptom
Compressor short cycles (turns on and off frequently) with minimal cooling.
Short Cycling / Control or Overload Issue
Symptom
Condensation forming on the inside of the glass door.
Door Condensation / High Humidity
Symptom
Condenser fan not running; back of unit very hot, poor cooling.
Condenser Fan Failure
Symptom
Display is blank or very dim, but cooler still runs.
Display Power or Backlight Failure
Symptom
Door does not close properly or pops open slightly after closing.
Door Alignment / Hinge or Gasket Problem
Symptom
Dual-zone cooler has one zone cooling properly while the other remains warm.
Single-Zone Cooling Failure in Dual-Zone System
Symptom
Excessive frost or ice buildup on the back wall or around the evaporator area.
Frost Accumulation / Defrost Failure (where applicable)
Symptom
Exterior side walls feel very hot to the touch.
High Cabinet Surface Temperature
Symptom
Interior fan not running; cold spots near evaporator and warm spots elsewhere.
Internal Air Circulation Failure
Symptom
Interior light not working, but cooler otherwise operates normally.
Interior LED Lighting Failure
Symptom
Loud humming, rattling, or vibrating noise during operation.
Excessive Vibration / Mechanical Noise
Symptom
Musty or moldy odor inside the wine cooler.
Interior Odor / Microbial Growth
Symptom
Shelves difficult to slide or do not sit level, risking bottle instability.
Rack / Shelf Alignment Issue
Symptom
Strong chemical or burning smell coming from the rear of the unit.
Electrical Overheating / Component Failure
Symptom
Thermoelectric (Peltier) wine cooler cools only slightly or not at all; fans may run.
Peltier Module Performance Loss
Symptom
Unit trips household circuit breaker when starting or shortly after.
Overcurrent / Electrical Short
Symptom
Water pooling at the bottom of the wine cooler or leaking onto the floor.
Water Leak / Condensate Drain Blockage
Symptom
Wine cooler interior too cold; wine partially freezing even at moderate set temperature.
Overcooling / Thermostat or Sensor Miscalibration
Symptom
Wine cooler not cooling at all; interior at room temperature, lights may work but no cooling.
No Cooling / Compressor or Peltier Not Running
Symptom
Wine cooler runs but does not get cold enough; interior stays above set temperature with no error code.
Insufficient Cooling / Loss of Refrigeration Capacity
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Wine cooler displays CF and cooling performance is poor or intermittent.
|
Condenser Fan Error (Compressor Models) | View Details |
| dE |
Wine cooler beeps and displays dE; cooling may stop until the error is cleared.
|
Door Open or Door Switch Error | View Details |
| E1 |
Wine cooler beeps and displays E1, interior temperature not cooling correctly or fluctuates wildly.
|
Cabinet Temperature Sensor (NTC) Failure or Open Circuit | View Details |
| E2 |
Wine cooler displays E2 and may run continuously or not cool properly.
|
Evaporator Temperature Sensor (NTC) Failure or Short Circuit | View Details |
| E3 |
Wine cooler shows E3 and may not maintain the set temperature; compressor or fans may cycle abnormally.
|
Ambient (Room) Temperature Sensor Failure | View Details |
| E4 |
Wine cooler displays E4 and may shut down cooling or run erratically.
|
Defrost Sensor or Defrost Circuit Error (for compressor-based models with defrost) | View Details |
| E5 |
Wine cooler shows E5 and may not cool; compressor or Peltier module may not start.
|
Compressor or Peltier Power Drive Fault | View Details |
| E6 |
Wine cooler displays E6 and may not respond correctly to keypad or temperature settings.
|
User Interface / Display Panel Communication Error | View Details |
| E7 |
Wine cooler shows E7 and interior light or fan may not operate correctly.
|
Low Voltage or Power Supply Error | View Details |
| Er |
Display shows Er or flashes all segments; controls may be unresponsive.
|
General Control Board or Firmware Error | View Details |
| F1 |
Dual-zone Costway wine cooler shows F1 on upper or lower zone display; that zone does not cool correctly.
|
Upper/Lower Zone Temperature Sensor Fault | View Details |
| F2 |
Dual-zone Costway wine cooler shows F2 and one zone may be much warmer or colder than set.
|
Zone Fan or Air Circulation Fault | View Details |
| H1 |
Display shows H1 and the cooler runs continuously but cannot reach set temperature.
|
High Temperature Alarm / Over-Temperature Condition | View Details |
| L1 |
Display shows L1 and interior temperature is too cold; bottles may be over-chilled.
|
Low Temperature Alarm / Over-Cooling Condition | View Details |
| PF |
Display shows PF after a power outage; unit may beep but otherwise operates normally.
|
Power Failure Memory Alert | View Details |
| – |
Buttons on the control panel do not respond or respond intermittently.
|
Unresponsive Touch Controls / Keypad Failure | View Details |
| – |
Clicking sound from the rear; compressor tries to start but shuts off repeatedly, little or no cooling.
|
Compressor Hard Start / Overload Tripping | View Details |
| – |
Compressor runs continuously without cycling off.
|
Continuous Run / Unable to Reach Setpoint | View Details |
| – |
Compressor short cycles (turns on and off frequently) with minimal cooling.
|
Short Cycling / Control or Overload Issue | View Details |
| – |
Condensation forming on the inside of the glass door.
|
Door Condensation / High Humidity | View Details |
| – |
Condenser fan not running; back of unit very hot, poor cooling.
|
Condenser Fan Failure | View Details |
| – |
Display is blank or very dim, but cooler still runs.
|
Display Power or Backlight Failure | View Details |
| – |
Door does not close properly or pops open slightly after closing.
|
Door Alignment / Hinge or Gasket Problem | View Details |
| – |
Dual-zone cooler has one zone cooling properly while the other remains warm.
|
Single-Zone Cooling Failure in Dual-Zone System | View Details |
| – |
Excessive frost or ice buildup on the back wall or around the evaporator area.
|
Frost Accumulation / Defrost Failure (where applicable) | View Details |
| – |
Exterior side walls feel very hot to the touch.
|
High Cabinet Surface Temperature | View Details |
| – |
Interior fan not running; cold spots near evaporator and warm spots elsewhere.
|
Internal Air Circulation Failure | View Details |
| – |
Interior light not working, but cooler otherwise operates normally.
|
Interior LED Lighting Failure | View Details |
| – |
Loud humming, rattling, or vibrating noise during operation.
|
Excessive Vibration / Mechanical Noise | View Details |
| – |
Musty or moldy odor inside the wine cooler.
|
Interior Odor / Microbial Growth | View Details |
| – |
Shelves difficult to slide or do not sit level, risking bottle instability.
|
Rack / Shelf Alignment Issue | View Details |
| – |
Strong chemical or burning smell coming from the rear of the unit.
|
Electrical Overheating / Component Failure | View Details |
| – |
Thermoelectric (Peltier) wine cooler cools only slightly or not at all; fans may run.
|
Peltier Module Performance Loss | View Details |
| – |
Unit trips household circuit breaker when starting or shortly after.
|
Overcurrent / Electrical Short | View Details |
| – |
Water pooling at the bottom of the wine cooler or leaking onto the floor.
|
Water Leak / Condensate Drain Blockage | View Details |
| – |
Wine cooler interior too cold; wine partially freezing even at moderate set temperature.
|
Overcooling / Thermostat or Sensor Miscalibration | View Details |
| – |
Wine cooler not cooling at all; interior at room temperature, lights may work but no cooling.
|
No Cooling / Compressor or Peltier Not Running | View Details |
| – |
Wine cooler runs but does not get cold enough; interior stays above set temperature with no error code.
|
Insufficient Cooling / Loss of Refrigeration Capacity | View Details |
No matching codes found
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