Fisher & Paykel Wine Refrigeration LO Error: Low temperature alarm
Fisher & Paykel wine cellar error code LO is a mid-severity fault meaning Low temperature alarm — zone below setpoint threshold. If the LO alarm was caused by an incorrect setpoint or a cold environment, adjusting the setpoint or relocating the cabinet will resolve the issue without wine damage.
~75%
DIY Fixable
From $80
Typical Repair Cost
15–45 min
Pro Repair Time
Quick Assessment
Answer to continue safely
Is it safe to keep using?
Maybe. If the LO alarm was caused by an incorrect setpoint or a cold environment, adjusting the setpoint or relocating the cabinet will resolve the issue without wine damage. If the zone is genuinely below 35°F (2°C), white wines and sparkling wines are at risk of tartrate crystal formation or partial freezing — move them to warmer storage promptly.
Can I reset the code?
Yes. The LO alarm clears automatically once the zone temperature rises above the alarm threshold. Correct the setpoint or environment first; if the alarm recurs with the correct setpoint in a warm room, have the controller and sensor calibration checked.
When to stop immediately?
Stop if you notice: Zone temperature is below 35°F (2°C), Sparkling wine bottles show signs of cork protrusion from over-pressure.
Symptoms You May Notice
LO flashing on panel with alarm tone
The display alternates between LO and the current zone temperature, accompanied by an intermittent beeping alarm.
Zone temperature below 40°F (4°C)
Wine is at risk of freezing or of tartrate crystal precipitation, particularly in white wines and sparkling wines.
Cabinet installed in cold environment
If the unit is in a garage or basement that drops below 50°F (10°C) in winter, the refrigeration system may over-cool the wine zone.
Possible Causes
Setpoint programmed too low
The zone setpoint was accidentally lowered below the safe wine storage minimum of 40°F (4°C), causing the cabinet to actively cool wine below a safe threshold.
DIY PossibleCold installation environment
Ambient temperatures in the installation space have dropped below the cabinet's rated minimum operating temperature, chilling the wine zone despite the thermostat setting.
DIY PossibleThermostat or controller fault
The zone controller is calling for more cooling than necessary due to a calibration error or a stuck relay on the cooling control circuit.
Requires ProfessionalTemperature sensor out of calibration
The zone thermistor is reading slightly high, causing the controller to over-cool the zone in an attempt to reach the displayed setpoint.
Requires ProfessionalSafe Checks You Can Do
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1
Verify zone setpoint
Navigate to the zone settings menu and confirm the setpoint is within the recommended range: 45–55°F (7–13°C) for whites and sparkling, 55–65°F (13–18°C) for reds.
Accidentally pressing the down arrow on the control panel multiple times is a common cause of an unintentionally low setpoint.
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2
Check installation environment temperature
Measure the ambient temperature in the room or space where the cabinet is installed. Fisher & Paykel wine cabinets require ambient temperatures above 55°F (13°C) for reliable operation.
In garages or unheated cellars during winter, the combination of cold ambient air and active cooling can push wine well below safe storage temperatures.
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3
Verify actual zone temperature
Place an independent calibrated thermometer in the zone and compare its reading to the cabinet display. A significant discrepancy (more than 4°F / 2°C) suggests a sensor calibration issue.
Use a certified wine storage thermometer rather than a standard kitchen thermometer for the most accurate comparison.
When to Call a Professional
Contact a qualified technician if:
- Controller is confirmed calling for cooling even when the zone is at or below setpoint
- Sensor calibration check shows a persistent offset requiring board-level recalibration
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
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