--- title: "Sub-Zero's door alarm shipped active on a cold storage unit" description: "What Door alarm chime means on Sub-Zero's door alarm shipped active on a cold storage units, what to check before booking, and when it is not a failure at all." url: "https://applianceinstallation.center/error-codes/sub-zero-door-alarm-shipped-active/" --- # Sub-Zero's door alarm shipped active on a cold storage unit Sub-Zero's own manual states plainly that the unit ships with its door alarm already turned on, chiming once the door has been left ajar for more than 60 seconds. ## What Door alarm chime actually means. Sub-Zero's own manual states plainly that the unit ships with its door alarm already turned on, chiming once the door has been left ajar for more than 60 seconds. An owner or installer who isn't expecting this can mistake the very first chime for something going wrong, when it is simply the factory default. Sub-Zero appliance display What to do when Door alarm chime shows on the appliance ### Kind of code Setup modes, not failures Nothing is wrong with the new appliance; it has come out of the carton in a state the store or the factory left it in. A showroom or demo mode lights the display and the fans while the unit never cools or heats, a Sabbath setting holds the oven light and hides the controls, a control or shipping lock refuses every key, and some laundry and dish care machines ask for a first calibration cycle before normal use. The manual gives the key sequence that turns each one off; once it is off, the appliance runs as it should. ### Usually leads to No installation Confirm the chime only happens when the door has genuinely been open for about a minute or more. ### Shows up as Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages An appliance installation code is a message a new unit shows because of how it was set up: a demo mode, a water or drain alert, a vent warning or a power check. ### Make Sub-Zero Sub-Zero installs are cold storage only: built-in and integrated refrigerators, freezers, wine storage and undercounter units, anchored and paneled to the cabinets. ### Source Sub-Zero US undercounter use and care guide Confirmed in Sub-Zero's US undercounter use-and-care guide. ## Before you book, in this order. Each step comes from Sub-Zero's own guidance for Door alarm chime on its appliances. Follow it to the end: the last card says whether this is a visit. 01 Confirm the chime only happens when the door has genuinely been open for about a minute or more. 02 If the alarm isn't wanted, turn the unit on for more than 60 seconds, then touch and hold the two temperature controls together for 5 seconds, following Sub-Zero's own sequence. 03 Listen for the confirmation chime that the alarm has been deactivated. 04 If the chime sounds with the door fully closed, book a visit. ### Cleared? The message has gone from the display, the setting or connection behind it has been corrected, and the new appliance finishes a full first cycle without raising it again. A setup code that comes straight back after the hookup has been checked points to something the install missed, such as a kinked hose or a harness left unplugged, so note it when you book. ### What not to do This is not a failing door switch. Sub-Zero's own manual describes the alarm as active by default from delivery, not as a sign that a sensor has failed. ## What you may notice with it. The appliance problem Door alarm chime tends to arrive with. Answer these at the appliance before anyone is booked. [All problems](https://applianceinstallation.center/problems/) Before you call ### [Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages](https://applianceinstallation.center/problems/appliance-installation-code/) [All 8 causes, cheapest first](https://applianceinstallation.center/problems/appliance-installation-code/) Problem ### Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages 8 causes, cheapest first No installation indicated ## Nothing to install. Nothing is wrong with the new appliance; it has come out of the carton in a state the store or the factory left it in. A showroom or demo mode lights the display and the fans while the unit never cools or heats, a Sabbath setting holds the oven light and hides the controls, a control or shipping lock refuses every key, and some laundry and dish care machines ask for a first calibration cycle before normal use. The manual gives the key sequence that turns each one off; once it is off, the appliance runs as it should. [How to read what your appliance is telling you](https://applianceinstallation.center/problems/appliance-installation-code/) ## Sub-Zero appliances. Sub-Zero installs are cold storage only: built-in and integrated refrigerators, freezers, wine storage and undercounter units, anchored and paneled to the cabinets. [Sub-Zero appliance installation](https://applianceinstallation.center/brands/sub-zero/) More Sub-Zero codes [Showroom mode](https://applianceinstallation.center/error-codes/sub-zero-showroom-mode/) Setup modes, not failures on other makes [ASKO SHO](https://applianceinstallation.center/error-codes/asko-sho/) [Bertazzoni DEMO MODE](https://applianceinstallation.center/error-codes/bertazzoni-demo-mode/) [Bosch dE](https://applianceinstallation.center/error-codes/bosch-de/) [Café SA](https://applianceinstallation.center/error-codes/cafe-sa/) [Cove Sabbath](https://applianceinstallation.center/error-codes/cove-sabbath-mode/) [Dacor oF](https://applianceinstallation.center/error-codes/dacor-of/) [Electrolux SB SB](https://applianceinstallation.center/error-codes/electrolux-sabbath-mode-refrigerator/) [Frigidaire SB SB](https://applianceinstallation.center/error-codes/frigidaire-sb-sb/) [All 40 codes of this kind](https://applianceinstallation.center/error-codes/#family-mode) Sub-Zero builds this ### Cold storage Setting a new refrigerator, freezer, wine or beverage unit or ice maker into its opening: measured, connected to water, leveled and started. ## In Sub-Zero's own words > The unit is shipped with the door alarm activated. [Sub-Zero US undercounter use and care guide](https://www.subzero-wolf.com/-/media/files/united-states/product-downloads/sub-zero-wolf/use-and-care/sub-zero/undercounter-ucg.ashx) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Confirmed in Sub-Zero's US undercounter use-and-care guide. ## Sub-Zero Door alarm chime appliance installation, 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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Confirm the chime only happens when the door has genuinely been open for about a minute or more. If it comes back, it needs a visit. ### Is it normal for a brand-new unit to chime the very first time the door is left open? Yes. Sub-Zero's own manual states the door alarm ships active from the factory, so a chime on day one after the door sits open for about a minute is expected behavior, not a problem. ### How long can the door be open before the alarm sounds? Sub-Zero's own manual sets this at more than 60 seconds, so a brief door opening to load groceries shouldn't trigger it. ### If I turn the alarm off, can it be turned back on later? Yes — Sub-Zero's own manual describes reversing the same control sequence to turn the alarm back on if it's wanted after being switched off. --- **[Read on the site: Sub-Zero's door alarm shipped active on a cold storage unit](https://applianceinstallation.center/error-codes/sub-zero-door-alarm-shipped-active/)** **[Book a visit with ApplianceInstallation.center](https://applianceinstallation.center/schedule/)**