Wine Cooler Losing Temperature Control
A built-in wine cooler was swinging several degrees above its set point throughout the day.
Appliance
Wine Cooler
Symptom
Internal temperature drifting 4-6°F above the set point at different times of day, no consistent pattern
Fix Time
Same-visit
Photo from this job coming soon
Diagnostic Roadmap
Compressor Cycling
Checked, no issueTurning on and off normally, correct run time
Door Seal
Checked, no issueFull contact, no gaps under inspection
Thermostat Calibration
Found itSensor reading had drifted out of calibration, telling the compressor to shut off several degrees early
Resolution
Replaced the thermostat control with an OEM-spec part, calibrated against a separate reference thermometer, and monitored for two hours to confirm a stable set point.
Temperature drift with no obvious pattern usually points to the sensor itself, not the compressor. A cheap part to rule out before assuming the worst.
Dealing with something similar? See our refrigeration repair page for pricing, symptoms and same-day availability.
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