Wine cooler display shows L1 or low temperature alarm; interior may be too cold and bottles may be near freezing.

Safety: Unplug the unit before accessing electronics.

• Verify set temperature: Confirm the setpoint is appropriate for wine (typically 40–65°F depending on type). Adjust if set too low.
• Power reset: Unplug for 5 minutes, then plug back in to clear any temporary control glitch.
• Check temperature sensor: Test the cabinet NTC sensor for proper resistance. A sensor that reads too high (low resistance) can cause over‑cooling; replace the cabinet temperature sensor if out of spec.
• Observe compressor cycling: If the compressor runs nearly nonstop even when the cabinet is very cold, the main control board relay may be stuck closed and should be replaced.
• Protect wine: Until repaired, move valuable bottles to another properly controlled storage to avoid freezing.