--- title: "Thermador HI: the under-counter Wine Reserve has warmed past its set limits" description: "What HI means on Thermador HI: the under-counter Wine Reserve has warmed past its set limitss, what to check before booking, and when it is not a failure at…" url: "https://winecoolerrepair.center/error-codes/thermador-hi/" --- # Thermador HI: the under-counter Wine Reserve has warmed past its set limits HI is the high-temperature alarm of Thermador's 24-inch under-counter Wine Reserve. ## What HI actually means. HI is the high-temperature alarm of Thermador's 24-inch under-counter Wine Reserve. The control shows it when the air inside rises above the range it is set to hold. Thermador's list of causes is short: the door opened too often, the toe-kick vents blocked, a load of warm bottles, a hot room or sunlight, or a gasket that no longer seals. Thermador wine cooler display · also shown as Hi-alarm What to do when HI 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 Thermador Thermador wine cooler service for cabinets that run cold, run warm or fog up behind the glass. ### Source Thermador Wine Reserve Use & Care Guide, troubleshooting Thermador T24UW925, T24UW915 and T24UW905 under-counter Wine Reserve units with the touch key control. The Freedom wine columns use a menu display and do not print HI. ## Before you book, in this order. Each step comes from Thermador's own guidance for HI on its wine coolers. Follow it to the end: the last card says whether this is a visit. 01 Press ALARM once to silence the tone, then make sure the glass door closes firmly on both corners. 02 Clear anything in front of the toe-kick at the base; this is the only place the unit breathes. 03 If you just loaded many bottles, give it several hours with the door shut before judging. 04 If HI returns with the door shut and vents clear, move your most valuable bottles to the coolest dark spot in the house 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 HI does not name a failed part; a warm room or a door left ajar triggers it just as easily. A cabinet that stays warm with the door shut, the vents clear and no new bottles added points to a fan, a sensor or the sealed system, which is where we look next. ## What you may notice with it. The wine cooler problems HI 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 Running Constantly**](https://winecoolerrepair.center/problems/wine-cooler-running-constantly/) - [**Wine Cooler Door Not Sealing**](https://winecoolerrepair.center/problems/wine-cooler-door-not-sealing/) Problem ### Wine Cooler Error Code 7 causes, cheapest first Where HI 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/) ## Thermador wine coolers. Thermador wine cooler service for cabinets that run cold, run warm or fog up behind the glass. [Thermador wine cooler repair](https://winecoolerrepair.center/brands/thermador/) More Thermador codes [Door alarm](https://winecoolerrepair.center/error-codes/thermador-door-alarm/) [SAB](https://winecoolerrepair.center/error-codes/thermador-sab/) [Demo mode](https://winecoolerrepair.center/error-codes/thermador-demo-mode/) [OFF](https://winecoolerrepair.center/error-codes/thermador-off/) [LOCK](https://winecoolerrepair.center/error-codes/thermador-lock/) [Self-test result](https://winecoolerrepair.center/error-codes/thermador-self-test-result/) 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 39 codes of this kind](https://winecoolerrepair.center/error-codes/#family-temperature) Thermador 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. Thermador 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. Thermador 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 Thermador's own words > Hi-alarm is activated (due to high temperature inside the appliance), HI is shown on the display LED. [Thermador Wine Reserve Use & Care Guide, troubleshooting](https://media3.bsh-group.com/Documents/9001700388_B.pdf) [Thermador Wine Reserve Use & Care Guide, remedy](https://media3.bsh-group.com/Documents/9001700388_B.pdf) [Thermador Wine Reserve Use & Care Guide, gasket cause](https://media3.bsh-group.com/Documents/9001700388_B.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Thermador T24UW925, T24UW915 and T24UW905 under-counter Wine Reserve units with the touch key control. The Freedom wine columns use a menu display and do not print HI. ## Thermador HI 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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Press ALARM once to silence the tone, then make sure the glass door closes firmly on both corners. If it comes back, it needs a visit. ### Is my wine safe when a Thermador Wine Reserve shows HI? A short rise of a few degrees does little harm to sealed bottles, but a cabinet that stays warm for days ages wine faster. Check the display after an hour with the door shut; if it is not falling, move the best bottles somewhere cool and dark. ### Why does HI keep coming back after I silence it? Pressing ALARM only stops the sound; the cause is still there. The usual repeat causes on this model are dust or an object at the toe-kick and a gasket that has flattened on the hinge side. ### Does HI mean the upper or the lower zone is warm? The manual does not say which zone set it off. Read both temperatures on the display: the one far above its setting is the zone to watch, and one warm zone with one normal zone suggests a zone fan or sensor rather than the compressor. --- **[Read on the site: Thermador HI: the under-counter Wine Reserve has warmed past its set limits](https://winecoolerrepair.center/error-codes/thermador-hi/)** **[Book a visit with WineCoolerRepair.center](https://winecoolerrepair.center/schedule/)**