--- title: "Wine-Mate LO: low temperature alarm on the older display" description: "What LO means on Wine-Mate LO: low temperature alarm on the older displays, what to check before booking, and when it is not a failure at all." url: "https://winecellarrepair.center/error-codes/wine-mate-lo/" --- # Wine-Mate LO: low temperature alarm on the older display LO is the low temperature counterpart of HI on Wine-Mate's earlier controller. ## What LO actually means. LO is the low temperature counterpart of HI on Wine-Mate's earlier controller. It flashes when the cellar reads colder than the set limit and resets itself once the temperature comes back within it. Wine-Mate wine cellar cooling unit display What to do when LO shows on the wine cellar cooling unit ### Kind of code Temperature and alarms The controller saw the cellar go past a high or low limit and raised an alarm, sometimes holding the worst reading it logged while the house was empty. The reason can be as small as the cellar door left ajar after a tasting or a long outage, a room gaining heat from new lights or a sunny glass wall, or as serious as cooling that has stopped. Keep the door shut and read a thermometer on a middle rack before touching anything; the alarm is a warning about the collection, not yet a diagnosis. ### Usually leads to Cellar cooling load and room check Measuring the cellar as the cooling unit sees it: insulation, vapor barrier, door, glass and the heat load, to show whether the unit can ever keep up. ### Shows up as Cellar Cooling Unit Error Code A cellar cooling unit error code appears as letters or digits on the controller, a flashing reading, a blinking light on the unit, or an alarm tone, sometimes while the cellar still holds its temperature. ### Make Wine-Mate Wine-Mate cooling units repaired on site when they will not start, ice over, trip a breaker or leave the walls wet. ### Source Wine-Mate cooling systems digital display instructions (older VINO models) Older Wine-Mate units with the earlier digital display, sold under VINO- model names such as VINO-1500CD, VINO-1500 HZD and VINO-2500SS. Current WM- units use the five-button controller instead. ## Before you book, in this order. Each step comes from Wine-Mate's own guidance for LO on its wine cellar cooling units. Follow it to the end: the last card says whether this is a visit. 01 Press the set button for one second to see the setpoint and confirm it has not been set too low. 02 Keep in mind that this older manual says Wine-Mate units are not for use below 50°F, and a cold basement can pull the room down with the unit idle. 03 Check the cellar with a separate thermometer to see whether the reading is real. 04 If the unit keeps running while the room is cold, book a visit. ### Still there? It usually turns into [cellar cooling load and room check](https://winecellarrepair.center/services/cellar-cooling-load-and-room-check/). Book with the code and the model number. ### What not to do LO on this display is a low temperature warning, not a sign of a broken sensor. Current Wine-Mate controllers show the same warning as LA. ## What you may notice with it. The wine cellar cooling unit problems LO tends to arrive with. Answer these at the wine cellar cooling unit before anyone is booked. [All problems](https://winecellarrepair.center/problems/) Before you call ### [Cellar Cooling Unit Error Code](https://winecellarrepair.center/problems/cellar-cooling-unit-error-code/) [All 8 causes, cheapest first](https://winecellarrepair.center/problems/cellar-cooling-unit-error-code/) It also comes with - [**Wine Cellar Too Cold**](https://winecellarrepair.center/problems/cellar-too-cold/) Problem ### Cellar Cooling Unit Error Code 8 causes, cheapest first Where LO usually leads ## Cellar cooling load and room check. **Cooling load and room survey · lowest.** Book a visit [What the job involves](https://winecellarrepair.center/services/cellar-cooling-load-and-room-check/) ## Wine-Mate wine cellar cooling units. Wine-Mate cooling units repaired on site when they will not start, ice over, trip a breaker or leave the walls wet. [Wine-Mate wine cellar cooling unit repair](https://winecellarrepair.center/brands/wine-mate/) More Wine-Mate codes [P1](https://winecellarrepair.center/error-codes/wine-mate-p1/) [HA](https://winecellarrepair.center/error-codes/wine-mate-ha/) [LA](https://winecellarrepair.center/error-codes/wine-mate-la/) [CA](https://winecellarrepair.center/error-codes/wine-mate-ca/) [HI](https://winecellarrepair.center/error-codes/wine-mate-hi/) [dF](https://winecellarrepair.center/error-codes/wine-mate-df/) [POF](https://winecellarrepair.center/error-codes/wine-mate-pof/) Temperature and alarms on other makes [Breezaire E1](https://winecellarrepair.center/error-codes/breezaire-e1/) [CellarCool AH1](https://winecellarrepair.center/error-codes/cellarcool-ah1/) [CellarPro HA](https://winecellarrepair.center/error-codes/cellarpro-ha/) [KoolR AL](https://winecellarrepair.center/error-codes/koolr-al/) [WhisperKOOL AH1](https://winecellarrepair.center/error-codes/whisperkool-ah1/) [Wine Guardian Flashing temperature with (!)](https://winecellarrepair.center/error-codes/wine-guardian-high-temperature-alarm/) [All 14 codes of this kind](https://winecellarrepair.center/error-codes/#family-temperature) Wine-Mate builds this ### Through-the-wall cellar cooling unit A self-contained box set into an opening in the cellar wall: its cold face blows into the wine room, and its warm face breathes out into the room next door. Wine-Mate builds this ### Ducted cellar cooling unit A self-contained cooling unit placed outside the cellar, in a mechanical room, attic or basement, that sends chilled air in and takes return air back through insulated ducts. Wine-Mate builds this ### Split-system cellar cooling An evaporator inside or beside the cellar and a condensing unit outside or in another room, joined by an insulated copper line set and charged on site. ## In Wine-Mate's own words > LO FLASHING- LOW TEMPERATURE ALARM- The unit has read a low tempature which is lower than the set point [Wine-Mate cooling systems digital display instructions (older VINO models)](https://cdn.shopify.com/s/files/1/0555/0676/3891/t/7/assets/description_image_WineMate_instruction.pdf?v=1643942293) [Wine-Mate cooling systems digital display instructions (older VINO models)](https://cdn.shopify.com/s/files/1/0555/0676/3891/t/7/assets/description_image_WineMate_instruction.pdf?v=1643942293) [Wine-Mate cooling systems digital display instructions (older VINO models)](https://cdn.shopify.com/s/files/1/0555/0676/3891/t/7/assets/description_image_WineMate_instruction.pdf?v=1643942293) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Older Wine-Mate units with the earlier digital display, sold under VINO- model names such as VINO-1500CD, VINO-1500 HZD and VINO-2500SS. Current WM- units use the five-button controller instead. ## Wine-Mate LO wine cellar cooling unit 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 the set button for one second to see the setpoint and confirm it has not been set too low. If it comes back, it needs a visit. ### Does LO mean my older Wine-Mate is chilling the wine too far? It means the reading is below your set limit, which may be only a few degrees under the setpoint. Check the room with a thermometer before assuming anything is near freezing. ### Why does LO show up in winter? When the space around the cellar gets cold, the room can fall below the limit even with the compressor off. The unit only cools, so the answer is warmth around or in the cellar rather than a change at the unit. ### Will LO clear by itself on the older Wine-Mate? Yes. The older manual says the alarm resets automatically when the temperature returns within the set limit. --- **[Read on the site: Wine-Mate LO: low temperature alarm on the older display](https://winecellarrepair.center/error-codes/wine-mate-lo/)** **[Book a visit with WineCellarRepair.center](https://winecellarrepair.center/schedule/)**