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This section provides information on some of the most commonly encountered problems and provides possible causes and solutions.


Possible Cause

Possible Solution

Door gasket does not seal properly.

Seal has come loose

Reseal gasket as per instructions

Unit is not level

Level unit as per instructions.


Door does not hang straight

Adjust door hinges as per instructions


Door warped in transit

Leave door open in new surroundings for 48 hours.
(more information)

Unit will not start

PDT/PDT Junior Thermostat delay

Leave unit on… wait twenty minutes… should start

Tripped breaker

Locate electrical panel, reset breaker


Temperature setting

Turn down thermostat to lower temperature


Wine probe connections

Assure probe line is not stretched out too much

Unit runs constantly

Thermostat set too low

The unit is only designed to cool to 50°F and 30°F cooler than temperature of the room it is in

Cabinet recently loaded with wine

It may take several weeks to reach optimal storage temperature


Ambient temperature of room too high

Unit may simply need to run


Inadequate ventilation

Install some type of ventilation equipment


Door gasket not sealing properly

See door gaskets

Unit is not cooling

Door gaskets not sealing

See door gaskets

Thermostat not adjusted correctly

Adjust thermostat to lower temperature


Thermostat not operating

Follow Bypass Plug procedure


Low on Freon

Unit may need to be serviced by a technician

Temperature variation between top and bottom of cabinet

Unit not operating

See Temperature Equalizer

Cooling unit ices up

Unit running constantly

See section on running constantly (above)

Other cause

Unplug for 24 hours, then restart. If problem persists, unit may need to be serviced by a technician

Unit makes clicking noise during startup

Not enough power to start unit

Assure dedicated 15 amp circuit. Check voltage to outlet

Unit makes a sizzling noise

As the WhisperKOOL unit is running, it will develop condensation and the water will drain into a pan. As the pan heats up, you will hear this crackling noise as water drips onto the pan.

The noise will go away after a couple of weeks.