--- title: "Wolf M Series wall oven showing 1231 | OvenRepair.center" description: "What 1231 means on Wolf M Series wall ovens, what to check before booking, and when it is not a failure at all." url: "https://ovenrepair.center/error-codes/wolf-1231/" --- # Wolf M Series wall oven showing 1231 On an M Series wall oven, 1231 means the control found the upper bake element's DLB circuit open, so the bake element in the upper cavity is not getting power the way the control expects. ## What 1231 actually means. On an M Series wall oven, 1231 means the control found the upper bake element's DLB circuit open, so the bake element in the upper cavity is not getting power the way the control expects. The same condition in the lower cavity is reported as 1232. Wolf oven display What to do when 1231 shows on the oven ### Kind of code Heating The control asked for heat and the cavity did not warm the way it expected. A bake or broil element that has opened or blistered is the usual answer; the wiring to it and the relay that switches it are checked before a board is blamed. ### Usually leads to Bake and broil element repair An electric oven that stays cold, bakes only from above or will not broil, traced to the element, its terminals or the relay that feeds it. ### Shows up as Oven Not Heating The oven turns on and the display counts, but the cavity stays cold or only lukewarm after a long preheat. ### Make Wolf The cooking brand of the Wisconsin-based Sub-Zero Group, making wall ovens, convection steam ovens and speed ovens. ### Source Wolf answer: M Series oven, upper bake element DLB open (1231) Wolf M Series wall ovens. The third and fourth characters point to the cavity: 1231 for the upper oven, 1232 for the lower oven of a double. ## Before you book, in this order. Each step comes from Wolf's own guidance for 1231 on its ovens. Follow it to the end: the last card says whether this is a visit. 01 Turn the oven's circuit breaker off for about 30 seconds, switch it back on and try a bake cycle again. 02 If 1231 comes back, stop using the upper oven's bake modes and book a visit; note whether the lower oven still heats normally. ### Still there? It usually turns into [bake and broil element repair](https://ovenrepair.center/services/bake-and-broil-element-repair/). Book with the code and the model number. ### What not to do 1231 is not a temperature sensor code. The oven may still light up and run its fans, but the bake element in the upper cavity is the circuit in question. ## What you may notice with it. The oven problems 1231 tends to arrive with. Answer these at the oven before anyone is booked. [All problems](https://ovenrepair.center/problems/) Before you call ### [Oven Not Heating](https://ovenrepair.center/problems/oven-not-heating/) [All 6 causes, cheapest first](https://ovenrepair.center/problems/oven-not-heating/) It also comes with - [**Oven Slow to Preheat**](https://ovenrepair.center/problems/oven-heats-slowly/) - [**Oven Error Code**](https://ovenrepair.center/problems/oven-error-code/) Problem ### Oven Not Heating 6 causes, cheapest first Where 1231 usually leads ## Bake and broil element repair. **Bake or broil element · low.** Book a visit [What the job involves](https://ovenrepair.center/services/bake-and-broil-element-repair/) ## Wolf ovens. The cooking brand of the Wisconsin-based Sub-Zero Group, making wall ovens, convection steam ovens and speed ovens. [Wolf oven repair](https://ovenrepair.center/brands/wolf/) More Wolf codes [2420](https://ovenrepair.center/error-codes/wolf-2420/) [0821](https://ovenrepair.center/error-codes/wolf-0821/) [0B31](https://ovenrepair.center/error-codes/wolf-0b31/) [5021](https://ovenrepair.center/error-codes/wolf-5021/) [6D10](https://ovenrepair.center/error-codes/wolf-6d10/) [4910](https://ovenrepair.center/error-codes/wolf-4910/) [E67](https://ovenrepair.center/error-codes/wolf-e67/) [E73](https://ovenrepair.center/error-codes/wolf-e73/) [E115](https://ovenrepair.center/error-codes/wolf-e115/) Heating on other makes [Dacor C-21](https://ovenrepair.center/error-codes/dacor-c-21/) [Electrolux F10](https://ovenrepair.center/error-codes/electrolux-f10/) [Fisher & Paykel A1](https://ovenrepair.center/error-codes/fisher-and-paykel-a1/) [Frigidaire F10](https://ovenrepair.center/error-codes/frigidaire-f10/) [GE Profile F6](https://ovenrepair.center/error-codes/ge-profile-advantium-f6/) [GE F2](https://ovenrepair.center/error-codes/ge-f2/) [JennAir F4 E0](https://ovenrepair.center/error-codes/jennair-f4e0/) [Kenmore F3/E2](https://ovenrepair.center/error-codes/kenmore-f3-e2/) [All 19 codes of this kind](https://ovenrepair.center/error-codes/#family-heating) Wolf builds this ### Single wall oven One oven cavity set into a cabinet at chest height, with its own controls above the door and nothing to cook on above it. Wolf builds this ### Double wall oven Two full oven cavities stacked in one tall cabinet, sharing one control panel and one power supply but heating on their own. Wolf builds this ### Steam oven A built-in oven that adds water vapor to the cavity, alone or with convection heat, fed from a tank or a water line. ## In Wolf's own words > Cause: Upper bake element DLB is open [Wolf answer: M Series oven, upper bake element DLB open (1231)](https://www.subzero-wolf.com/assistance/answers/wolf/m-series-oven/m-series-wall-oven-error-code-1231) [Wolf answer: M Series oven, upper bake element DLB open (1231)](https://www.subzero-wolf.com/assistance/answers/wolf/m-series-oven/m-series-wall-oven-error-code-1231) [Wolf answer: M Series oven, lower bake element DLB open (1232)](https://www.subzero-wolf.com/assistance/answers/wolf/m-series-oven/m-series-wall-oven-error-code-1232) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Wolf M Series wall ovens. The third and fourth characters point to the cavity: 1231 for the upper oven, 1232 for the lower oven of a double. ## Wolf 1231 oven 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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Turn the oven's circuit breaker off for about 30 seconds, switch it back on and try a bake cycle again. If it comes back, it needs a visit. ### Can I keep using the lower oven while my Wolf shows 1231? 1231 names the upper cavity's bake circuit, so the lower oven of a double is not the one reported. If the lower oven heats normally after the breaker reset, it can be used while you wait for the visit; stop if it shows its own code. ### Why does my Wolf show 1231 on one visit and 1232 on another? They describe the same open bake circuit in different cavities: 1231 is the upper oven and 1232 the lower one. Tell the technician which of the two you saw, since it decides which oven is opened first. --- **[Read on the site: Wolf M Series wall oven showing 1231 | OvenRepair.center](https://ovenrepair.center/error-codes/wolf-1231/)** **[Book a visit with OvenRepair.center](https://ovenrepair.center/schedule/)**