Transtherm
Transtherm 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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dF
Display alternates between temperature and dF; unit may pause cooling periodically
Defrost Mode Indication / Defrost Cycle Active
E1
Digital display shows E1 and cabinet temperature is much warmer than the set temperature
Upper Compartment Temperature Sensor Failure
E2
Display shows E2 and lower zone does not cool correctly in a dual-zone Transtherm wine cabinet
Lower Compartment Temperature Sensor Failure
E3
Display shows E3 and compressor runs erratically or not at all
Ambient Temperature Sensor Failure
E4
Display shows E4 and cabinet temperature fluctuates widely or unit shuts down unexpectedly
Evaporator Temperature Sensor / Defrost Sensor Failure
E5
Display shows E5 and compressor does not start or stops shortly after starting
Compressor Overload / High Temperature Protection Fault
E6
Display shows E6 and interior light or fan behaves erratically; temperature may drift
Main Control Board Communication / Logic Fault
E7
Display shows E7 and the humidity function does not operate correctly (too dry or too humid)
Humidity Sensor / Humidity Control Fault
E8
Display shows E8 and the interior fan does not run or runs at incorrect speed
Evaporator Fan Motor Fault
E9
Display shows E9 and the cabinet does not cool; compressor may not start
Compressor Drive / Relay Fault
Er
Display shows Er or flashes all segments; controls may be unresponsive
General Control Panel / Display Communication Error
H1
Display shows H1 and cabinet temperature is higher than setpoint; alarm may sound
High Temperature Alarm Condition
Hi
Display shows Hi instead of a temperature; interior feels very warm
Temperature Out of Range High / Sensor Overrange
L1
Display shows L1 and cabinet temperature is lower than setpoint; wine may be too cold
Low Temperature Alarm / Overcooling
Lo
Display shows Lo and cabinet interior light may be dim; unit may not start
Low Voltage / Power Supply Fault
Symptom
Alarm beeps intermittently but no error code is shown; temperature appears normal
Door Ajar / Alarm Sensor Nuisance Trigger
Symptom
Cabinet cycles on and off very frequently (short cycling)
Short Cycling / Control Instability
Symptom
Cabinet exterior side walls feel very warm to the touch
Condenser Heat Transfer Through Cabinet Walls
Symptom
Cabinet makes a gurgling or hissing sound even when compressor is off
Normal Refrigerant Flow Noise / Expansion Sounds
Symptom
Clicking sound from compressor area and no cooling
Compressor Short Cycling on Overload
Symptom
Condensation forming on the glass door or around the gasket
Excessive Condensation / Door Seal or Ambient Humidity Issue
Symptom
Condenser fan at the rear is not running; compressor is hot and cabinet is warm
Condenser Fan Failure
Symptom
Display is lit but buttons do not respond or respond intermittently
Keypad / Touch Control Failure
Symptom
Door does not close properly or pops open slightly after closing
Door Alignment / Gasket Seal Problem
Symptom
Excessive frost or ice buildup on the back wall or around the evaporator
Defrost System Failure / Air Infiltration
Symptom
Interior fan is not running; cold spots and uneven temperature inside cabinet
Evaporator Fan Non-Operation
Symptom
Interior light does not turn on when the door is opened
Interior LED Lighting Failure
Symptom
Loud humming, rattling, or vibrating noise during operation
Excessive Vibration / Mechanical Noise
Symptom
Lower zone cools but upper zone is warm in a dual-zone Transtherm cabinet
Upper Zone Cooling Failure
Symptom
Strong musty or moldy odor inside the wine cabinet
Microbial Growth / Odor Contamination
Symptom
Temperature display is inaccurate compared to an independent thermometer
Temperature Calibration / Sensor Drift
Symptom
Upper zone cools but lower zone is warm in a dual-zone Transtherm cabinet
Lower Zone Cooling Failure
Symptom
Water pooling at the bottom of the cabinet or on the floor in front of the wine cooler
Condensate Drain Blockage / Water Management Fault
Symptom
Wine cooler does not cool at all; interior is at room temperature and compressor is silent
No Cooling / Compressor Not Starting
Symptom
Wine cooler is completely dead: no display, no light, no sound
No Power / Main Supply Failure
Symptom
Wine cooler runs but interior temperature is too cold even at a high setpoint
Overcooling / Thermostat Control Failure
Symptom
Wine cooler runs continuously and never reaches the set temperature
Insufficient Cooling Capacity / Refrigeration System Underperformance
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| dF |
Display alternates between temperature and dF; unit may pause cooling periodically
|
Defrost Mode Indication / Defrost Cycle Active | View Details |
| E1 |
Digital display shows E1 and cabinet temperature is much warmer than the set temperature
|
Upper Compartment Temperature Sensor Failure | View Details |
| E2 |
Display shows E2 and lower zone does not cool correctly in a dual-zone Transtherm wine cabinet
|
Lower Compartment Temperature Sensor Failure | View Details |
| E3 |
Display shows E3 and compressor runs erratically or not at all
|
Ambient Temperature Sensor Failure | View Details |
| E4 |
Display shows E4 and cabinet temperature fluctuates widely or unit shuts down unexpectedly
|
Evaporator Temperature Sensor / Defrost Sensor Failure | View Details |
| E5 |
Display shows E5 and compressor does not start or stops shortly after starting
|
Compressor Overload / High Temperature Protection Fault | View Details |
| E6 |
Display shows E6 and interior light or fan behaves erratically; temperature may drift
|
Main Control Board Communication / Logic Fault | View Details |
| E7 |
Display shows E7 and the humidity function does not operate correctly (too dry or too humid)
|
Humidity Sensor / Humidity Control Fault | View Details |
| E8 |
Display shows E8 and the interior fan does not run or runs at incorrect speed
|
Evaporator Fan Motor Fault | View Details |
| E9 |
Display shows E9 and the cabinet does not cool; compressor may not start
|
Compressor Drive / Relay Fault | View Details |
| Er |
Display shows Er or flashes all segments; controls may be unresponsive
|
General Control Panel / Display Communication Error | View Details |
| H1 |
Display shows H1 and cabinet temperature is higher than setpoint; alarm may sound
|
High Temperature Alarm Condition | View Details |
| Hi |
Display shows Hi instead of a temperature; interior feels very warm
|
Temperature Out of Range High / Sensor Overrange | View Details |
| L1 |
Display shows L1 and cabinet temperature is lower than setpoint; wine may be too cold
|
Low Temperature Alarm / Overcooling | View Details |
| Lo |
Display shows Lo and cabinet interior light may be dim; unit may not start
|
Low Voltage / Power Supply Fault | View Details |
| – |
Alarm beeps intermittently but no error code is shown; temperature appears normal
|
Door Ajar / Alarm Sensor Nuisance Trigger | View Details |
| – |
Cabinet cycles on and off very frequently (short cycling)
|
Short Cycling / Control Instability | View Details |
| – |
Cabinet exterior side walls feel very warm to the touch
|
Condenser Heat Transfer Through Cabinet Walls | View Details |
| – |
Cabinet makes a gurgling or hissing sound even when compressor is off
|
Normal Refrigerant Flow Noise / Expansion Sounds | View Details |
| – |
Clicking sound from compressor area and no cooling
|
Compressor Short Cycling on Overload | View Details |
| – |
Condensation forming on the glass door or around the gasket
|
Excessive Condensation / Door Seal or Ambient Humidity Issue | View Details |
| – |
Condenser fan at the rear is not running; compressor is hot and cabinet is warm
|
Condenser Fan Failure | View Details |
| – |
Display is lit but buttons do not respond or respond intermittently
|
Keypad / Touch Control Failure | View Details |
| – |
Door does not close properly or pops open slightly after closing
|
Door Alignment / Gasket Seal Problem | View Details |
| – |
Excessive frost or ice buildup on the back wall or around the evaporator
|
Defrost System Failure / Air Infiltration | View Details |
| – |
Interior fan is not running; cold spots and uneven temperature inside cabinet
|
Evaporator Fan Non-Operation | View Details |
| – |
Interior light does not turn on when the door is opened
|
Interior LED Lighting Failure | View Details |
| – |
Loud humming, rattling, or vibrating noise during operation
|
Excessive Vibration / Mechanical Noise | View Details |
| – |
Lower zone cools but upper zone is warm in a dual-zone Transtherm cabinet
|
Upper Zone Cooling Failure | View Details |
| – |
Strong musty or moldy odor inside the wine cabinet
|
Microbial Growth / Odor Contamination | View Details |
| – |
Temperature display is inaccurate compared to an independent thermometer
|
Temperature Calibration / Sensor Drift | View Details |
| – |
Upper zone cools but lower zone is warm in a dual-zone Transtherm cabinet
|
Lower Zone Cooling Failure | View Details |
| – |
Water pooling at the bottom of the cabinet or on the floor in front of the wine cooler
|
Condensate Drain Blockage / Water Management Fault | View Details |
| – |
Wine cooler does not cool at all; interior is at room temperature and compressor is silent
|
No Cooling / Compressor Not Starting | View Details |
| – |
Wine cooler is completely dead: no display, no light, no sound
|
No Power / Main Supply Failure | View Details |
| – |
Wine cooler runs but interior temperature is too cold even at a high setpoint
|
Overcooling / Thermostat Control Failure | View Details |
| – |
Wine cooler runs continuously and never reaches the set temperature
|
Insufficient Cooling Capacity / Refrigeration System Underperformance | View Details |
No matching codes found
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