What Does Monogram Wine Cooler Error Code E1 Mean?

Error code E1 on a Monogram wine cooler indicates a temperature sensor open circuit. The thermistor that monitors the internal cabinet temperature has failed open — the control board receives no signal from the sensor and cannot regulate the cooling cycle accurately.

Common Causes

  • Failed thermistor — The sensor element has broken internally, resulting in an open circuit.
  • Damaged wiring — The thin wires running from the sensor to the control board have been pinched, cut, or corroded.
  • Loose connector — The sensor connector has partially disconnected from the control board.

How to Troubleshoot

  1. Hard reset — Unplug the wine cooler for 5 minutes, then restore power. If E1 clears and does not return, the fault was transient.
  2. Check temperature — If the cabinet is warming despite E1 clearing, the sensor has genuinely failed and will need replacement.

When to Call a Professional

Thermistor replacement requires accessing the interior wiring. Call 844-752-7887 for certified Monogram wine cooler repair.

Need Help? If the error code hasn't resolved after basic troubleshooting, call our certified Monogram technicians at 844-752-7887 for professional diagnosis and same-day repair.