Jenn-Air Wine Cooler LO Error: Low Temp Alarm
What Does Jenn-Air Wine Cooler Error Code LO Mean? The LO alarm on a Jenn-Air wine cooler means the internal temperature has dropped too low. Wine can freeze at around 15-20°F, and even temperatures below 40°F can push corks and damage delicate wines. Common Causes A temperature sensor giving false readings can cause the cooler […]
Quick Assessment
Answer to continue safely
Is it safe to keep using?
Maybe. Raise the temperature setting and monitor. If the cooler overcools regardless of settings, disconnect power to prevent freezing damage.
Can I reset the code?
Yes. Adjusting the temperature setting or dismissing the alarm clears the alert.
When to stop immediately?
Stop if you notice: Wine is freezing despite normal temperature setting, Compressor runs non-stop.
Symptoms You May Notice
Wine bottles are very cold or frozen
Bottles feel ice-cold and the wine may show ice crystals or a frozen cork.
Frost on the interior walls
Ice or frost has formed on the inside walls of the wine cooler.
Compressor runs without stopping
The cooling system runs continuously, driving the temperature well below the set point.
Possible Causes
Temperature sensor malfunction
The sensor is reading a falsely high temperature, causing the cooler to overcool.
Requires ProfessionalThermostat stuck in cooling mode
The temperature control is stuck in the on position, continuously calling for cooling.
Requires ProfessionalVery cold ambient temperature
The cooler is in an unheated space where ambient temperature drops below the set point.
DIY PossibleSafe Checks You Can Do
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1
Check the temperature setting
Verify the set temperature is appropriate for wine storage (45-65°F depending on wine type).
Red wines store at 55-65°F, whites at 45-55°F.
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2
Check ambient conditions
If the cooler is in an unheated garage or basement, the room temperature may be below the set point.
Most wine coolers cannot heat — they only cool. In very cold rooms, the wine will match ambient temperature.
When to Call a Professional
Contact a qualified technician if:
- Sensor reads incorrectly at known temperature
- Thermostat does not cycle off
- Control board output stays active
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
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