--- title: "Sub-Zero 95 1 00: a door stayed open for 20 minutes" description: "What 95 1 00 means on Sub-Zero 95 1 00: a door stayed open for 20 minutess, what to check before booking, and when it is not a failure at all." url: "https://freezerrepair.center/error-codes/sub-zero-95-1-00/" --- # Sub-Zero 95 1 00: a door stayed open for 20 minutes On Designer models the 95 codes record long door openings; 95 1 00 is the first door, and Sub-Zero publishes matching pages for 95 2 00, 95 3 00 and 95 F 00 on the other doors. ## What 95 1 00 actually means. On Designer models the 95 codes record long door openings; 95 1 00 is the first door, and Sub-Zero publishes matching pages for 95 2 00, 95 3 00 and 95 F 00 on the other doors. The code says the door was left open for 20 minutes or more, not that a part has failed. Sub-Zero freezer display What to do when 95 1 00 shows on the freezer ### Kind of code Mode, not a failure A setting the freezer was put into, often by accident or by the store it came from, rather than a part that broke: a showroom or demo mode that lights the display while the compressor stays off, a fast freeze left running for days, a Sabbath setting that silences the alarms, a control lock, a door alarm reminding you the door stood open. Nothing has worn out, and the freezer's own buttons or manual put it back. ### Usually leads to No repair Make sure the door or drawer closes fully and nothing is blocking it, such as a package or a shifted basket. ### Shows up as Freezer Error Code A freezer error code appears on the display: letters and digits, a flashing temperature, or a warning symbol, sometimes with an alarm and sometimes with the freezer still running. ### Make Sub-Zero Sub-Zero freezers repaired in the home, with the food kept shut in while the cause is found. ### Source Sub-Zero answer: Designer Series error 95 1 00 Designer models, including DEC column freezers and Designer freezer drawers. The middle character names the door: 1, 2, 3, or F for the fourth. ## Before you book, in this order. Each step comes from Sub-Zero's own guidance for 95 1 00 on its freezers. Follow it to the end: the last card says whether this is a visit. 01 Make sure the door or drawer closes fully and nothing is blocking it, such as a package or a shifted basket. 02 Turn the breaker off for 30 seconds and back on to clear the code, then retest. 03 Check that frozen food is still hard; after 20 minutes open, soft items on the door side may need to be used first. ### Cleared? The freezer is holding its temperature again and no part had to be replaced. If the same code comes back within a few days, or the packages start to soften again, book it as a fresh problem. ### What not to do 95 1 00 does not mean the door switch or hinge is broken if the door really was open. If the code appears while the door is shut, the switch or the door seal needs a technician. ## What you may notice with it. The freezer problems 95 1 00 tends to arrive with. Answer these at the freezer before anyone is booked. [All problems](https://freezerrepair.center/problems/) Before you call ### [Freezer Error Code](https://freezerrepair.center/problems/freezer-error-code/) [All 7 causes, cheapest first](https://freezerrepair.center/problems/freezer-error-code/) It also comes with - [**Freezer Door or Lid Not Sealing**](https://freezerrepair.center/problems/freezer-door-or-lid-not-sealing/) - [**Freezer Alarm Beeping**](https://freezerrepair.center/problems/freezer-alarm-beeping/) - [**Heavy Frost Buildup in the Freezer**](https://freezerrepair.center/problems/freezer-frost-buildup/) Problem ### Freezer Error Code 7 causes, cheapest first No repair indicated ## Nothing to repair. A setting the freezer was put into, often by accident or by the store it came from, rather than a part that broke: a showroom or demo mode that lights the display while the compressor stays off, a fast freeze left running for days, a Sabbath setting that silences the alarms, a control lock, a door alarm reminding you the door stood open. Nothing has worn out, and the freezer's own buttons or manual put it back. [How to read what your freezer is telling you](https://freezerrepair.center/problems/freezer-error-code/) ## Sub-Zero freezers. Sub-Zero freezers repaired in the home, with the food kept shut in while the cause is found. [Sub-Zero freezer repair](https://freezerrepair.center/brands/sub-zero/) More Sub-Zero codes [EC07](https://freezerrepair.center/error-codes/sub-zero-ec07/) [EC08](https://freezerrepair.center/error-codes/sub-zero-ec08/) [EC40](https://freezerrepair.center/error-codes/sub-zero-ec40/) [21](https://freezerrepair.center/error-codes/sub-zero-21/) [22](https://freezerrepair.center/error-codes/sub-zero-22/) [24](https://freezerrepair.center/error-codes/sub-zero-24/) [20 4 50](https://freezerrepair.center/error-codes/sub-zero-20-4-50/) [35 C 00](https://freezerrepair.center/error-codes/sub-zero-35-c-00/) [90 5 80](https://freezerrepair.center/error-codes/sub-zero-90-5-80/) Mode, not a failure on other makes [Bertazzoni Door Unit OPEN](https://freezerrepair.center/error-codes/bertazzoni-door-unit-open/) [Bosch Demo mode](https://freezerrepair.center/error-codes/bosch-demo-mode/) [Dacor oF](https://freezerrepair.center/error-codes/dacor-of/) [Electrolux DEMO](https://freezerrepair.center/error-codes/electrolux-demo/) [Fisher & Paykel Door alarm](https://freezerrepair.center/error-codes/fisher-and-paykel-door-alarm/) [Frigidaire Fb](https://freezerrepair.center/error-codes/frigidaire-fb/) [Fulgor Milano Door Unit OPEN](https://freezerrepair.center/error-codes/fulgor-milano-door-unit-open/) [Gaggenau Door alarm](https://freezerrepair.center/error-codes/gaggenau-door-alarm/) [All 56 codes of this kind](https://freezerrepair.center/error-codes/#family-mode) Sub-Zero builds this ### Freezer column A built-in, full-height freezer that stands alone in the cabinetry, often beside a matching fresh-food column, with a stainless or panel-ready door and an electronic control. Sub-Zero builds this ### Undercounter freezer A 15- to 24-inch freezer or a pair of freezer drawers built in under a counter, in a kitchen island, a home bar, a basement or a pool house, venting from the front. ## In Sub-Zero's own words > Zone 1 door was left open for 20 minutes or more [Sub-Zero answer: Designer Series error 95 1 00](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer/designer-series-diagnostics-faults--zone-1--open-error95-1-00) [Sub-Zero answer: Designer Series error 95 1 00](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer/designer-series-diagnostics-faults--zone-1--open-error95-1-00) [Sub-Zero answer: Designer Series error 95 2 00](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer/designer-formerly-integrated-series-error-code-95-x-00) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Designer models, including DEC column freezers and Designer freezer drawers. The middle character names the door: 1, 2, 3, or F for the fourth. ## Sub-Zero 95 1 00 freezer 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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Make sure the door or drawer closes fully and nothing is blocking it, such as a package or a shifted basket. ### Why did my Sub-Zero show 95 1 00 when I only opened the door briefly? The code needs 20 minutes of open time, so the door probably did not latch after you closed it. A tray edge or an overfilled drawer is the usual cause; if nothing blocks it, have the door switch checked. ### Is food safe after a Sub-Zero 95 door code? Twenty minutes with the door open rarely thaws a full freezer, but items near the opening warm first. Check them by touch, and cook or use anything that has gone soft. ### What do 95 2 00 and 95 F 00 mean on a Sub-Zero Designer? They are the same long-open alarm for other doors on the unit. The second character tells you which door or drawer was left open. --- **[Read on the site: Sub-Zero 95 1 00: a door stayed open for 20 minutes](https://freezerrepair.center/error-codes/sub-zero-95-1-00/)** **[Book a visit with FreezerRepair.center](https://freezerrepair.center/schedule/)**