Wine Refrigeration High Severity
COMP-FAIL Appliance Error Code

Thermador Wine Refrigeration COMP-FAIL Error: Compressor Cooling Failure

Thermador wine refrigeration COMP-FAIL error indicates compressor cooling failure. Stop using the appliance and call a Thermador-certified technician immediately for diagnosis. What Does the Thermador Wine Refrigeration Compressor Failure Indicator Mean? The compressor failure indicator on a Thermador Freedom Collection wine refrigeration column warns that the cooling compressor is not running when called for. The […]

By Lucy Soboleva Appliance Safety Researcher & Technical Editor

Quick Assessment

Answer to continue safely

Is it safe to keep using?

No. A wine column without a working compressor cannot maintain wine storage temperatures. Move valuable wines out and arrange service immediately.

Can I reset the code?

No. A reset cannot fix mechanical compressor failure. The compressor or its starting components must be physically replaced.

When to stop immediately?

Stop if you notice: Cabinet temperature exceeds 70°F, Burning smell from the back of the wine column.

Symptoms You May Notice

Cabinet has been silent for an extended period

The wine column normally produces a soft compressor hum during cooling cycles, but you cannot hear anything.

Cabinet temperature climbing well above setpoint

The display shows the cabinet temperature drifting higher and not coming back down.

Condenser fan runs but compressor does not engage

You can hear the smaller condenser fan but the larger compressor sound is missing.

Possible Causes

1

Failed compressor start relay

The start relay that helps the compressor motor begin rotating has failed, leaving the compressor unable to start.

Requires Professional
2

Burned-out compressor windings

The compressor motor windings have failed open from age, overheating, or electrical damage.

Requires Professional
3

Failed compressor capacitor

The starting or run capacitor has failed and the compressor cannot reach operating speed.

Requires Professional
4

Refrigerant leak preventing compressor operation

A significant refrigerant leak has reduced system pressure to a level where the compressor protects itself by not starting.

Requires Professional

Safe Checks You Can Do

These checks are safe for homeowners. No disassembly required. Do not remove panels or access internal components.
  1. 1

    Move valuable wines to a cool dark location

    Move bottles you care about most to a wine cellar, basement, or other cool dark location while you arrange service. The cabinet will gradually warm to room temperature without compressor cooling.

    Wine column cabinets hold cold for several hours after a compressor failure due to thermal mass, but plan as if cooling is offline.

  2. 2

    Verify power to the unit

    Check that the wine column has power — the display should still be on. If the display is also off, the issue is a power problem, not a compressor problem.

    A tripped breaker, blown fuse, or unplugged power cord will silence the compressor without being a true compressor failure.

When to Call a Professional

Contact a qualified technician if:

  • Compressor draws current but does not start rotating
  • Visible refrigerant leak or oily residue
  • Compressor housing is cool to the touch when it should be warm

Need Professional Help?

Find qualified technicians in your area for proper diagnostics and repair.

Wine Refrigeration Repair Service Schedule Appointment

More Wine Refrigeration Error Codes

View all codes →
THERM-FAIL LIGHT-FAIL FAN-FAIL DOOR-OPEN LO HI