--- title: "Wine-Mate POF: the keypad is locked" description: "What POF means on Wine-Mate POF: the keypad is lockeds, what to check before booking, and when it is not a failure at all." url: "https://winecellarrepair.center/error-codes/wine-mate-pof/" --- # Wine-Mate POF: the keypad is locked POF is not an alarm. ## What POF actually means. POF is not an alarm. On the five-button Wine-Mate controller, holding the up and down keys together until POF appears locks the keypad, so the settings cannot be changed by accident. Holding the same two keys until PON appears unlocks it. Wine-Mate wine cellar cooling unit display What to do when POF shows on the wine cellar cooling unit ### Kind of code Mode, not a failure Something the controller was told to do, not a part that wore out: a display switched between Fahrenheit and Celsius so 13 looks alarming, a set point or differential changed by someone leaning on the keys, a keypad lock that ignores every press, a standby state left on after a power cut, a reminder that service is due. The unit is fine, and the controller's own keys or its manual put it back. ### Usually leads to No repair If the buttons seem to do nothing, press and hold up and down together until PON appears. ### 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 HZD self-contained cooling system manual Current Wine-Mate five-button controller, as printed in the HZD, HZD-DE, 4510-series HZD, HTD, low-profile and SSH, SSD and SSO split-system manuals. Wi-Fi touchscreen and SMART controllers print no display codes. ## Before you book, in this order. Each step comes from Wine-Mate's own guidance for POF on its wine cellar cooling units. Follow it to the end: the last card says whether this is a visit. 01 If the buttons seem to do nothing, press and hold up and down together until PON appears. 02 Check the setpoint afterward by pressing and releasing SET. 03 If the keys still do not respond once unlocked, book a visit to check the controller. ### Cleared? The controller has stopped showing the code and the cellar is drifting back to its set point without any new part. If the code returns within the week, or the room creeps warm again, book a visit and tell us it came back. ### What not to do A locked keypad is not a dead controller; Wine-Mate describes the lock as affecting the keys only. A completely dark display is a different problem that starts with power. ## What you may notice with it. The wine cellar cooling unit problems POF 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 Warm**](https://winecellarrepair.center/problems/cellar-too-warm/) - [**Wine Cellar Too Cold**](https://winecellarrepair.center/problems/cellar-too-cold/) Problem ### Cellar Cooling Unit Error Code 8 causes, cheapest first No repair indicated ## Nothing to repair. Something the controller was told to do, not a part that wore out: a display switched between Fahrenheit and Celsius so 13 looks alarming, a set point or differential changed by someone leaning on the keys, a keypad lock that ignores every press, a standby state left on after a power cut, a reminder that service is due. The unit is fine, and the controller's own keys or its manual put it back. [How to read what your wine cellar cooling unit is telling you](https://winecellarrepair.center/problems/cellar-cooling-unit-error-code/) ## 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/) [LO](https://winecellarrepair.center/error-codes/wine-mate-lo/) [dF](https://winecellarrepair.center/error-codes/wine-mate-df/) Mode, not a failure on other makes [CellarCool dEF](https://winecellarrepair.center/error-codes/cellarcool-def/) [WhisperKOOL dEF](https://winecellarrepair.center/error-codes/whisperkool-def/) 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 > To lock the keys, press up + down keys + until POF is displayed [Wine-Mate HZD self-contained cooling system manual](https://cdn.shopify.com/s/files/1/0555/0676/3891/t/7/assets/description_image_wm1500_8500hzd_owners_manual_v4.pdf?v=1643942325) [Wine-Mate HZD self-contained cooling system manual](https://cdn.shopify.com/s/files/1/0555/0676/3891/t/7/assets/description_image_wm1500_8500hzd_owners_manual_v4.pdf?v=1643942325) [Wine-Mate SSD split ceiling-mounted cooling system manual](https://cdn.shopify.com/s/files/1/0555/0676/3891/t/2/assets/description_image_wm_ssd_owners_manual_v2.pdf?v=1643918166) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Current Wine-Mate five-button controller, as printed in the HZD, HZD-DE, 4510-series HZD, HTD, low-profile and SSH, SSD and SSO split-system manuals. Wi-Fi touchscreen and SMART controllers print no display codes. ## Wine-Mate POF 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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If the buttons seem to do nothing, press and hold up and down together until PON appears. ### Why won't my Wine-Mate let me change the temperature? The keypad may be locked. Hold up and down together until PON appears, then change the setpoint by holding SET until the degree light flashes. ### Does locking the keypad change how the Wine-Mate cools? Wine-Mate describes the lock as locking the keys, and the stored setpoint and settings stay as they were. It is a way to stop accidental changes, not a power switch. ### Which Wine-Mate controllers use POF and PON? The five-button controller in the current HZD, HTD, low-profile and split-system manuals. The older display on VINO- units does not list these messages. --- **[Read on the site: Wine-Mate POF: the keypad is locked](https://winecellarrepair.center/error-codes/wine-mate-pof/)** **[Book a visit with WineCellarRepair.center](https://winecellarrepair.center/schedule/)**