--- title: "Sub-Zero EC12: the lower wine section is too warm" description: "What EC12 means on Sub-Zero EC12: the lower wine section is too warms, what to check before booking, and when it is not a failure at all." url: "https://winecoolerrepair.center/error-codes/sub-zero-ec12/" --- # Sub-Zero EC12: the lower wine section is too warm EC12 is the warm temperature alarm for the lower cabinet. ## What EC12 actually means. EC12 is the warm temperature alarm for the lower cabinet. Like EC10 for the upper section, it reports real warmth rather than a broken part, and on 400 Series units Sub-Zero first asks you to check that the room is within the range the unit is built for. Sub-Zero wine cooler display · also shown as EC 12 What to do when EC12 shows on the wine cooler ### Kind of code Temperature and alarms The cooler read a zone well away from its setting and raised an alarm, sometimes showing the warmest figure it reached while the house was empty. The reason may be as small as a door left resting on a bottle neck or a long outage, or as serious as cooling that has stopped. Keep the glass door shut and feel a bottle in the middle of the rack before doing anything else; the alarm is a warning about the wine, not a diagnosis. ### Usually leads to Wine cooler thermostat and sensor repair Testing and replacing the thermostat or the temperature sensors that tell a wine cooler when to cool, when the cabinet runs too cold, too warm or back and forth. ### Shows up as Wine Cooler Error Code A wine cooler error code appears as letters and digits on the display, a flashing temperature, dashes where a number should be or a blinking symbol, sometimes with an alarm tone and sometimes while the cabinet stays perfectly cool. ### Make Sub-Zero Sub-Zero wine coolers repaired in place, with the collection kept closed and dark until the visit. ### Source Sub-Zero answer: Undercounter (UW) error code EC 12 UW undercounter, Classic BW and older 400 Series wine storage. ## Before you book, in this order. Each step comes from Sub-Zero's own guidance for EC12 on its wine coolers. Follow it to the end: the last card says whether this is a visit. 01 Check that the door closes fully and nothing on the lower racks is pushing it open. 02 Clear anything blocking the grille at the bottom and check the room temperature. 03 If the lower section stays warm, move the most valuable bottles somewhere cool and dark and book a visit. ### Still there? It usually turns into [wine cooler thermostat and sensor repair](https://winecoolerrepair.center/services/wine-cooler-thermostat-and-sensor-repair/). Book with the code and the model number. ### What not to do EC12 is not the lower sensor; a lower probe that has stopped reading shows EC07. It also does not by itself mean the compressor has failed. ## What you may notice with it. The wine cooler problems EC12 tends to arrive with. Answer these at the wine cooler before anyone is booked. [All problems](https://winecoolerrepair.center/problems/) Before you call ### [Wine Cooler Error Code](https://winecoolerrepair.center/problems/wine-cooler-error-code/) [All 7 causes, cheapest first](https://winecoolerrepair.center/problems/wine-cooler-error-code/) It also comes with - [**Wine Cooler Not Cooling**](https://winecoolerrepair.center/problems/wine-cooler-not-cooling/) - [**One Zone Warm in a Dual-Zone Wine Cooler**](https://winecoolerrepair.center/problems/one-zone-warm-in-a-dual-zone/) - [**Wine Cooler Door Not Sealing**](https://winecoolerrepair.center/problems/wine-cooler-door-not-sealing/) - [**Wine Cooler Running Constantly**](https://winecoolerrepair.center/problems/wine-cooler-running-constantly/) Problem ### Wine Cooler Error Code 7 causes, cheapest first Where EC12 usually leads ## Wine cooler thermostat and sensor repair. **Thermostat or zone temperature sensor · low to moderate.** Book a visit [What the job involves](https://winecoolerrepair.center/services/wine-cooler-thermostat-and-sensor-repair/) ## Sub-Zero wine coolers. Sub-Zero wine coolers repaired in place, with the collection kept closed and dark until the visit. [Sub-Zero wine cooler repair](https://winecoolerrepair.center/brands/sub-zero/) More Sub-Zero codes [EC05](https://winecoolerrepair.center/error-codes/sub-zero-ec05/) [EC06](https://winecoolerrepair.center/error-codes/sub-zero-ec06/) [EC07](https://winecoolerrepair.center/error-codes/sub-zero-ec07/) [EC08](https://winecoolerrepair.center/error-codes/sub-zero-ec08/) [EC10](https://winecoolerrepair.center/error-codes/sub-zero-ec10/) [EC11](https://winecoolerrepair.center/error-codes/sub-zero-ec11/) [EC13](https://winecoolerrepair.center/error-codes/sub-zero-ec13/) [EC15](https://winecoolerrepair.center/error-codes/sub-zero-ec15/) [2](https://winecoolerrepair.center/error-codes/sub-zero-2/) [40 1 09](https://winecoolerrepair.center/error-codes/sub-zero-40-1-09/) [40 1 40](https://winecoolerrepair.center/error-codes/sub-zero-40-1-40/) [95 1 00](https://winecoolerrepair.center/error-codes/sub-zero-95-1-00/) [All 15 Sub-Zero codes](https://winecoolerrepair.center/error-codes/#codes-sub-zero) Temperature and alarms on other makes [ASKO Zone temperature is out of range](https://winecoolerrepair.center/error-codes/asko-zone-temperature-out-of-range/) [Bertazzoni Upper or lower zone too warm](https://winecoolerrepair.center/error-codes/bertazzoni-zone-too-warm/) [Café High Temperature Alert](https://winecoolerrepair.center/error-codes/cafe-high-temperature-alert/) [Dacor Abnormally high temperature](https://winecoolerrepair.center/error-codes/dacor-abnormally-high-temperature/) [Electrolux H°](https://winecoolerrepair.center/error-codes/electrolux-h/) [Fulgor Milano Cellar too warm](https://winecoolerrepair.center/error-codes/fulgor-milano-cellar-too-warm/) [JennAir Over Temp](https://winecoolerrepair.center/error-codes/jennair-over-temp/) [KitchenAid Over Temp](https://winecoolerrepair.center/error-codes/kitchenaid-over-temp/) [All 35 codes of this kind](https://winecoolerrepair.center/error-codes/#family-temperature) Sub-Zero builds this ### Undercounter wine cooler A wine cooler about the height of a base cabinet, built in under the counter of a kitchen, a bar or a butler's pantry, with a glass door, sliding racks and a vented toe grille at the floor. Sub-Zero builds this ### Wine column A full-height built-in wine cabinet, 18 to 30 inches wide, set flush into tall cabinetry or paired with a matching column, with a glass or panel door and dozens to well over a hundred bottles inside. Sub-Zero builds this ### Dual-zone wine cooler A wine cooler with two separately set compartments, upper and lower or side by side, so reds and whites or a storage zone and a serving zone each keep their own temperature. ## In Sub-Zero's own words > Lower cabinet warm temperature alarm [Sub-Zero answer: Undercounter (UW) error code EC 12](https://www.subzero-wolf.com/assistance/answers/sub-zero/undercounter-wine-storage/undercounter-uw-storage-series-error-code-ec-12) [Sub-Zero answer: Classic wine storage (BW) error code EC 12](https://www.subzero-wolf.com/assistance/answers/sub-zero/classic-wine-storage/built-in-wine-bw-series-error-code-ec-12) [Sub-Zero answer: Wine Storage error code EC 10 or EC 12](https://www.subzero-wolf.com/assistance/answers/sub-zero/400-series/sub-zero-wine-storage-error-code-ec-10-or-ec-12) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. UW undercounter, Classic BW and older 400 Series wine storage. ## Sub-Zero EC12 wine cooler repair, where we come out. The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered. 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Check that the door closes fully and nothing on the lower racks is pushing it open. If it comes back, it needs a visit. ### EC12 is on but my upper section is cold. What does that tell you? The unit can still make cold, so a full sealed-system failure is less likely. The lower section is losing out, which points toward airflow, the door seal or the way that zone is controlled. ### Can I just clear EC12 and wait? A breaker reset clears the display, but the alarm comes back if the lower section is still warm. Measure it with a thermometer before trusting it again. ### Does EC12 mean my wine is ruined? Not after hours or a day or two. Wine suffers from long or repeated heat, so the aim is to get the lower section back to temperature quickly. --- **[Read on the site: Sub-Zero EC12: the lower wine section is too warm](https://winecoolerrepair.center/error-codes/sub-zero-ec12/)** **[Book a visit with WineCoolerRepair.center](https://winecoolerrepair.center/schedule/)**