--- title: "Thermador door alarm: the tone and blue ALARM light mean the door was left open" description: "What Door alarm means on Thermador door alarm: the tone and blue ALARM light mean the door was left opens, what to check before booking, and when it is not a…" url: "https://winecoolerrepair.center/error-codes/thermador-door-alarm/" --- # Thermador door alarm: the tone and blue ALARM light mean the door was left open On the under-counter Wine Reserve, the door alarm sounds once the glass door has stood open for 2 minutes or more, and the blue LED above ALARM flashes with it. ## What Door alarm actually means. On the under-counter Wine Reserve, the door alarm sounds once the glass door has stood open for 2 minutes or more, and the blue LED above ALARM flashes with it. On the Freedom wine columns the door alarm is a continuous tone that stops when the door is shut. In both lines it is a reminder, not a report of a broken part. Thermador wine cooler display · also shown as Flashing blue ALARM light, door-open ALARM What to do when Door alarm shows on the wine cooler ### Kind of code Door and seal The cooler noticed its door open for too long, or a switch that never reports it closing. Often a rack slid out a little too far holds the glass off the gasket, the cabinet has tipped forward off level, or a hinge has sagged under a heavy door; now and then the door switch itself has failed. Warm air getting in shows as fog on the glass and a zone that will not settle. ### Usually leads to Wine cooler glass door and gasket repair Replacing a torn or flattened gasket, resetting a door that no longer closes square, and repairing the glass door that keeps light, heat and humid air away from the bottles. ### 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, ALARM key Under-counter T24UW Wine Reserve (2-minute delay, flashing blue LED) and Freedom T18IW905SP and T24IW905SP columns (continuous tone). ## Before you book, in this order. Each step comes from Thermador's own guidance for Door alarm on its wine coolers. Follow it to the end: the last card says whether this is a visit. 01 Close the door and listen for the tone to stop; on the Wine Reserve you can also press ALARM once. 02 If the tone sounds while the door looks closed, check that no bottle neck or rack is keeping it from sealing. 03 Run a hand along the gasket for cool air leaking out; a torn or flattened seal lets the door drift open. 04 Book a visit if the alarm sounds with the door firmly shut, since the door switch or its wiring then needs a look. ### Still there? It usually turns into [wine cooler glass door and gasket repair](https://winecoolerrepair.center/services/glass-door-and-gasket-repair/). Book with the code and the model number. ### What not to do The door alarm does not mean the cabinet is warm; that is what HI reports on the under-counter unit. A Wine Reserve that stays silent with the door wide open may simply have its alarm turned off by a 3-second press of ALARM, or be in Sabbath mode. ## What you may notice with it. The wine cooler problems Door alarm 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 Door Not Sealing**](https://winecoolerrepair.center/problems/wine-cooler-door-not-sealing/) - [**Wine Cooler Not Cooling**](https://winecoolerrepair.center/problems/wine-cooler-not-cooling/) Problem ### Wine Cooler Error Code 7 causes, cheapest first Where Door alarm usually leads ## Wine cooler glass door and gasket repair. **Door gasket, hinge adjustment or glass door · low.** Book a visit [What the job involves](https://winecoolerrepair.center/services/glass-door-and-gasket-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 [HI](https://winecoolerrepair.center/error-codes/thermador-hi/) [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/) Door and seal on other makes [ASKO E9](https://winecoolerrepair.center/error-codes/asko-e9/) [Bertazzoni Door open](https://winecoolerrepair.center/error-codes/bertazzoni-door-open/) [Café Door alarm](https://winecoolerrepair.center/error-codes/cafe-door-alarm/) [Dacor Door Alarm indicator blinking](https://winecoolerrepair.center/error-codes/dacor-door-alarm/) [Electrolux Door open icon](https://winecoolerrepair.center/error-codes/electrolux-door-open-alert/) [Fisher & Paykel Door alarm](https://winecoolerrepair.center/error-codes/fisher-and-paykel-door-alarm/) [Fulgor Milano Door open](https://winecoolerrepair.center/error-codes/fulgor-milano-door-open/) [Gaggenau Door alarm](https://winecoolerrepair.center/error-codes/gaggenau-door-alarm/) [All 33 codes of this kind](https://winecoolerrepair.center/error-codes/#family-door) 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 > When the door has been left open for 2 minutes or longer, an audible alarm sound is triggered [Thermador Wine Reserve Use & Care Guide, ALARM key](https://media3.bsh-group.com/Documents/9001700388_B.pdf) [Thermador Wine Reserve Use & Care Guide, ALARM light](https://media3.bsh-group.com/Documents/9001700388_B.pdf) [Thermador Freedom wine column Use & Care Guide, door alarm](https://media3.bsh-group.com/Documents/8001161977_D.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Under-counter T24UW Wine Reserve (2-minute delay, flashing blue LED) and Freedom T18IW905SP and T24IW905SP columns (continuous tone). ## Thermador Door alarm 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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Close the door and listen for the tone to stop; on the Wine Reserve you can also press ALARM once. If it comes back, it needs a visit. ### Why did my Thermador Wine Reserve door alarm stop working? Holding ALARM for 3 seconds turns the door-open alarm off until you hold it again, and Sabbath mode silences every alarm. Check both before suspecting a part. ### Can a Thermador wine column close its own door? The Freedom columns have automatic door opening, and a door that only stays open a crack is checked and closed again by the unit. If the alarm sounds often, the opening force or the push-to-open setting may be set too high. ### The alarm sounds with the door shut. What is wrong? Either something keeps the door from seating, or the switch that tells the control the door is closed is not reporting. Clear the racks, check the gasket and book a visit if the tone continues. --- **[Read on the site: Thermador door alarm: the tone and blue ALARM light mean the door was left open](https://winecoolerrepair.center/error-codes/thermador-door-alarm/)** **[Book a visit with WineCoolerRepair.center](https://winecoolerrepair.center/schedule/)**