--- title: "Wolf stove showing Err 04 on the oven display" description: "What 04 means on Wolf stoves, what to check before booking, and when it is not a failure at all." url: "https://stoverepair.center/error-codes/wolf-04/" --- # Wolf stove showing 04 Err 04 on an older Wolf dual-fuel stove means the control sees a short on the RTD sensor that measures oven heat. ## What 04 actually means. Err 04 on an older Wolf dual-fuel stove means the control sees a short on the RTD sensor that measures oven heat. With that reading gone, the oven cannot hold a set temperature. Wolf stove display · also shown as Err 04, Error 04 What to do when 04 shows on the stove ### Kind of code Temperature sensor The thin probe on the back wall of the oven sent the stove a reading it would not trust, or one that kept climbing past the setting. A loose plug behind the stove or a probe knocked against the racks is ruled out before the sensor or the board is replaced. If the oven keeps getting hotter with the controls turned off, switch the stove off at its breaker first. ### Usually leads to Stove oven heating repair The oven part of a stove that stays cold, heats slowly or bakes too hot or too cool, fixed at the bake and broil elements, the oven igniter, the gas valve or the temperature sensor. ### Shows up as Oven on My Stove Runs Hot or Cold Recipes take much longer or much less time than they should, cakes burn on the outside and stay raw inside, or an oven thermometer disagrees with the display by more than a little. ### Make Wolf A Sub-Zero Group cooking brand from Wisconsin; owners often know it on sight by its red knobs. ### Source Wolf answer: legacy dual-fuel, error code 04 Older Wolf dual-fuel stoves whose oven selector knob has a small display window. The newer dual-fuel models report four-character codes instead. ## Before you book, in this order. Each step comes from Wolf's own guidance for 04 on its stoves. Follow it to the end: the last card says whether this is a visit. 01 Turn the oven off and let the stove cool. 02 Switch the stove's breaker off for 30 seconds and turn it back on. 03 If Err 04 appears again, book a visit; the sensor, its lead and the connector need testing. ### Still there? It usually turns into [stove oven heating repair](https://stoverepair.center/services/stove-oven-heating-repair/). Book with the code and the model number. ### What not to do Err 04 is not caused by the oven running a little hot or cool. It is an electrical reading on the sensor circuit. ## What you may notice with it. The stove problems 04 tends to arrive with. Answer these at the stove before anyone is booked. [All problems](https://stoverepair.center/problems/) Before you call ### [Oven on My Stove Runs Hot or Cold](https://stoverepair.center/problems/stove-oven-temperature-off/) [All 7 causes, cheapest first](https://stoverepair.center/problems/stove-oven-temperature-off/) It also comes with - [**Oven on My Stove Won't Heat Up**](https://stoverepair.center/problems/stove-oven-not-heating/) - [**Stove Error Code**](https://stoverepair.center/problems/stove-error-code/) Problem ### Oven on My Stove Runs Hot or Cold 7 causes, cheapest first Where 04 usually leads ## Stove oven heating repair. **Oven element, igniter, gas valve or sensor · low to moderate.** Book a visit [What the job involves](https://stoverepair.center/services/stove-oven-heating-repair/) ## Wolf stoves. A Sub-Zero Group cooking brand from Wisconsin; owners often know it on sight by its red knobs. [Wolf stove repair](https://stoverepair.center/brands/wolf/) More Wolf codes [01](https://stoverepair.center/error-codes/wolf-01/) [02](https://stoverepair.center/error-codes/wolf-02/) [03](https://stoverepair.center/error-codes/wolf-03/) [09](https://stoverepair.center/error-codes/wolf-09/) [0E](https://stoverepair.center/error-codes/wolf-0e/) [10](https://stoverepair.center/error-codes/wolf-10/) [PF](https://stoverepair.center/error-codes/wolf-pf/) [ERR OC](https://stoverepair.center/error-codes/wolf-err-oc/) [0221](https://stoverepair.center/error-codes/wolf-0221/) [3C20](https://stoverepair.center/error-codes/wolf-3c20/) [5521](https://stoverepair.center/error-codes/wolf-5521/) [E2](https://stoverepair.center/error-codes/wolf-e2/) [All 15 Wolf codes](https://stoverepair.center/error-codes/#codes-wolf) Temperature sensor on other makes [AGA 007](https://stoverepair.center/error-codes/aga-007/) [BlueStar F40](https://stoverepair.center/error-codes/bluestar-f40/) [Bosch e101](https://stoverepair.center/error-codes/bosch-e101/) [Café FD](https://stoverepair.center/error-codes/cafe-fd/) [Dacor C-20](https://stoverepair.center/error-codes/dacor-c-20/) [Electrolux F30](https://stoverepair.center/error-codes/electrolux-f30/) [Frigidaire F30](https://stoverepair.center/error-codes/frigidaire-f30/) [GE Profile F4](https://stoverepair.center/error-codes/ge-profile-f4/) [All 32 codes of this kind](https://stoverepair.center/error-codes/#family-sensor) Wolf builds this ### Gas stove A stove with gas burners on top, whether its oven below runs on gas too or on electricity, fed by one gas line behind it and plugged into a wall outlet for the spark. Wolf builds this ### Induction stove A stove with a flat glass top that heats the pan itself through a magnetic field, run by touch keys and power boards, with an electric oven underneath. ## In Wolf's own words > Shorted circuit detected on the RTD sensor [Wolf answer: legacy dual-fuel, error code 04](https://www.subzero-wolf.com/assistance/answers/wolf/legacy-dual-fuel-range/dual-fuel-range-error-code-04) [Wolf answer: legacy dual-fuel, error code 04](https://www.subzero-wolf.com/assistance/answers/wolf/legacy-dual-fuel-range/dual-fuel-range-error-code-04) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Older Wolf dual-fuel stoves whose oven selector knob has a small display window. The newer dual-fuel models report four-character codes instead. ## Wolf 04 stove 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 off and let the stove cool. If it comes back, it needs a visit. ### Can a spill inside the oven cause Err 04 on a Wolf stove? A spill can reach the sensor lead where it passes through the oven wall and lead to a short. Once the oven is cool, a technician can inspect the lead and connector for damage. ### Will my Wolf oven still bake with Err 04? Not reliably. Without a working sensor the control cannot regulate heat, so the oven either refuses to run or cooks unevenly. ### Does Err 04 on a Wolf stove mean the control board has failed? Usually the problem is the sensor or its wiring rather than the board. Measuring the sensor first tells us which part to replace. --- **[Read on the site: Wolf stove showing Err 04 on the oven display](https://stoverepair.center/error-codes/wolf-04/)** **[Book a visit with StoveRepair.center](https://stoverepair.center/schedule/)**