--- title: "Sub-Zero 40 1 40: a Designer wine zone has run too long" description: "What 40 1 40 means on Sub-Zero 40 1 40: a Designer wine zone has run too longs, what to check before booking, and when it is not a failure at all." url: "https://winecoolerrepair.center/error-codes/sub-zero-40-1-40/" --- # Sub-Zero 40 1 40: a Designer wine zone has run too long On Designer wine storage, 40 1 40 means excessive runtime in zone 1: the system has cooled that zone for longer than the control allows without getting the result it expects. ## What 40 1 40 actually means. On Designer wine storage, 40 1 40 means excessive runtime in zone 1: the system has cooled that zone for longer than the control allows without getting the result it expects. 40 2 40 and 40 3 40 are the same condition in zones 2 and 3. It often comes before a zone starts to warm. Sub-Zero wine cooler display · also shown as 40 2 40, 40 3 40 What to do when 40 1 40 shows on the wine cooler ### Kind of code Compressor and cooling module The part that makes the cold is not keeping up. On a compressor cooler it may fail to start, start and cut out, or run on without bringing the zones down; a start relay is the cheap answer ruled out first, while a seized compressor or lost refrigerant is a sealed system job where age weighs heavily. On a thermoelectric cooler the module or its heat sink fans have weakened, and a warm room makes it worse. Keep the bottles cool while it is diagnosed. ### Usually leads to Wine cooler compressor and sealed system repair Getting a compressor-cooled wine cooler holding cellar temperature again, from the start relay and overload that fail first to a leak or a restriction in the sealed tubing. ### 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: Designer Wine (IW) error 40 1 40 Designer (formerly Integrated, IW) wine storage. The middle digit is the zone number. ## Before you book, in this order. Each step comes from Sub-Zero's own guidance for 40 1 40 on its wine coolers. Follow it to the end: the last card says whether this is a visit. 01 Check that the door is fully closed and the grille at the bottom is not blocked. 02 Reset the breaker for 30 seconds and retest. 03 If the code returns, book a visit; clean the condenser beforehand only if it is easy to reach and the power is off. ### Still there? It usually turns into [wine cooler compressor and sealed system repair](https://winecoolerrepair.center/services/wine-cooler-compressor-and-sealed-system-repair/). Book with the code and the model number. ### What not to do 40 1 40 does not mean the wine is warm yet; a zone far from its setting is 40 1 09. It is also not a fan code; Designer fan codes start with 35. ## What you may notice with it. The wine cooler problems 40 1 40 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 Running Constantly**](https://winecoolerrepair.center/problems/wine-cooler-running-constantly/) - [**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/) Problem ### Wine Cooler Error Code 7 causes, cheapest first Where 40 1 40 usually leads ## Wine cooler compressor and sealed system repair. **Start relay, compressor or sealed-system leak · moderate to highest.** Book a visit [What the job involves](https://winecoolerrepair.center/services/wine-cooler-compressor-and-sealed-system-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/) [EC12](https://winecoolerrepair.center/error-codes/sub-zero-ec12/) [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/) [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) Compressor and cooling module on other makes [JennAir Cleaning reminder](https://winecoolerrepair.center/error-codes/jennair-condenser-cleaning-reminder/) [Perlick TCH](https://winecoolerrepair.center/error-codes/perlick-tch/) [All 4 codes of this kind](https://winecoolerrepair.center/error-codes/#family-cooling) 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 > Zone 1 excessive runtime [Sub-Zero answer: Designer Wine (IW) error 40 1 40](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer-wine-storage/integrated-wine-iw-series-error-code-40-1-40) [Sub-Zero answer: Designer Wine (IW) error 40 2 40](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer-wine-storage/integrated-wine-iw-series-error-code-40-2-40) [Sub-Zero answer: Designer Wine (IW) error 40 1 40](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer-wine-storage/integrated-wine-iw-series-error-code-40-1-40) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Designer (formerly Integrated, IW) wine storage. The middle digit is the zone number. ## Sub-Zero 40 1 40 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 is fully closed and the grille at the bottom is not blocked. If it comes back, it needs a visit. ### What makes a Designer wine zone run too long? Common reasons are a dirty condenser, a door that does not seal, a fan that is not moving air, or a cooling system that has lost capacity. The visit narrows it down. ### How often should the condenser on a Designer wine unit be cleaned? Sub-Zero’s Designer wine guide says every 6 to 12 months. The condenser sits behind the kickplate. ### Is 40 1 40 urgent? It is an early warning. Watch the zone with a thermometer, and treat it as urgent once the zone starts to warm. --- **[Read on the site: Sub-Zero 40 1 40: a Designer wine zone has run too long](https://winecoolerrepair.center/error-codes/sub-zero-40-1-40/)** **[Book a visit with WineCoolerRepair.center](https://winecoolerrepair.center/schedule/)**