When your Wolf wall oven shows a code, it is pointing at the part of the cycle that failed. This page lists the 58 codes we could confirm in Wolf's own owner's manuals and support articles: what each one means, the checks that are safe to do yourself, and the point where a technician should take over.
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Saturday: 8 AM to 10 PM
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Diagnostic visit: $75, or $115 for a double unit.
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Covers Wolf built-in wall ovens: L Series (2001–2015), Legacy E Series, the 24-inch SO24 E Series and M Series (2015 on). Each family has its own code format, so the same code can mean different things on different ovens; match the code to your oven family below.
Depending on the family, the display shows a word message (L Series and legacy dual-fuel, e.g. COOL FAN, PROBE SHORTED), ERR plus a number (legacy dual-fuel), number groups such as 07 x 23 (Legacy E Series), a four-character code such as 5121 or 4A10 (M Series and 2021+ ranges), or an E-code that some steam oven displays pair with an F-message. For most codes Wolf's first step is to switch the home circuit breaker off for about 30 seconds, restore power and retest; if the code returns, Wolf directs owners to Factory Certified Service.
| Code | Meaning | What to do |
|---|---|---|
| M Series wall ovens | ||
| 0021 | Bake element relay shorted | Needs a technician |
| 0122 | Lower right convection element relay shorted | Needs a technician |
| 0221 | Upper bake element DLB relay shorted | Needs a technician |
| 0222 | Lower bake element DLB relay shorted | Needs a technician |
| 0322 | Lower broil element relay shorted | Needs a technician |
| 0421 | Upper left convection element relay shorted | Needs a technician |
| 0422 | Lower left convection element relay shorted | Needs a technician |
| 0521 | Upper broil element DLB relay shorted | Needs a technician |
| 0522 | Lower broil element DLB relay shorted | Needs a technician |
| 0821 | Upper door latch (MDL) relay shorted | Needs a technician |
| 0822 | Lower door latch (MDL) relay shorted | Needs a technician |
| 0B31 | Upper cooling fan triac shorted | Needs a technician |
| 1021 | Upper bake element relay open | Check, then call if it returns |
| 1121 | Upper right convection element relay open | Check, then call if it returns |
| 1232 | Lower bake element DLB relay open | Check, then call if it returns |
| 2420 | Relay board temperature sensor (RTD) circuit fault | Needs a technician |
| 2720 | Element or door latch watchdog fault | Check, then call if it returns |
| 4A10 | Lower cooling fan stall detected | Needs a technician |
| 5022 | Lower oven overheated during self-clean | Needs a technician |
| 5121 | Upper oven too hot during normal cooking | Needs a technician |
| 5220 | Relay board area is over temperature | Check, then call if it returns |
| 5320 | Control interface (UIP) area is over temperature | Check, then call if it returns |
| TOUCH PAD SENSOR FAULT | Touch control sensor malfunction | Check, then call if it returns |
| SO24 E Series 24-inch wall oven | ||
| E02 | Relay board upset by moisture or electrical interference | Check, then call if it returns |
| E03 | Incorrect process data loaded in the control | Check, then call if it returns |
| E05 | Control firmware error | Check, then call if it returns |
| E10 | Oven temperature sensor or its wiring is open or loose | Needs a technician |
| E17 | Food probe shorted, probe tip too hot, or socket wet | Check, then call if it returns |
| E26 | Climate sensor connection broken, or its duct blocked | Needs a technician |
| E35 | Electronics area of the oven is too hot | Check, then call if it returns |
| E49 | A control button is jammed, or moisture is on the control board | Check, then call if it returns |
| E51 | Relay board is faulty | Needs a technician |
| E55 | Supplementary control board fault | Needs a technician |
| E57 | Supply wiring fault: live wire on neutral or broken neutral | Needs a technician |
| E58 | No power on one supply leg (L2) | Check, then call if it returns |
| E59 | Supply voltage too high, or neutral wire broken | Needs a technician |
| E62 | Supply voltage too low | Check, then call if it returns |
| E87 | Exhaust slide valve stuck, or its motor is faulty | Needs a technician |
| Legacy E Series wall ovens | ||
| 10 0 0 | Communication error detected by the user interface module | Check, then call if it returns |
| 07 0 28 | Touch pad communication error detected by the interface module | Check, then call if it returns |
| 07 x 38 | Motorized door latch circuit error | Check, then call if it returns |
| 04 x 2 | Motorized door latch took too long to move | Check, then call if it returns |
| 05 x 0 | Thermal cutout opened, so the oven stopped heating | Check, then call if it returns |
| 07 x 23 | DLB1 relay or thermal cutout open, or controls overheated | Check, then call if it returns |
| 07 x 24 | DLB2 relay is open | Check, then call if it returns |
| 07 0 26 | Oven temperature sensor (RTD) circuit error | Check, then call if it returns |
| 07 0 27 | Control memory (RM EE) checksum error | Needs a technician |
| L Series wall ovens | ||
| F1 | Door lock not confirmed in time, or door slammed while heating | Check, then call if it returns |
| ERROR CHECKSUM | Control failed its memory self-check | Needs a technician |
| COMM ERR | Control lost communication with the oven controller | Check, then call if it returns |
| RELAY STUCK | Power relay is stuck closed when it should be open | Needs a technician |
| KEYBOARD ERROR | Touch keypad communication error | Check, then call if it returns |
| L Series wall ovens and legacy dual-fuel ranges | ||
| COOL FAN | Cooling fan failure reported by its sensing switch | Needs a technician |
| LOWER RELAY | Lower oven relay circuit reported a failure | Needs a technician |
| All electric Wolf ovens (L, E, M Series; dual-fuel and induction ranges) | ||
| LO | Oven is still preheating; this is not a fault | Usually a quick fix |
| Wall ovens, ranges and steam ovens with a probe socket | ||
| PROBE? | Oven cannot detect the temperature probe | Usually a quick fix |
| L, Legacy E and M Series wall ovens; dual-fuel ranges (3031/3032 on 2021+ ranges) | ||
| PROBE SHORTED | Temperature probe or its connection has failed | Check, then call if it returns |
| Dual-fuel ranges (SAb on oven knob); L and E Series wall ovens (SABBATH) | ||
| SAb | Sabbath mode is on; this is not a fault | Usually a quick fix |
Safety first. Switch the appliance off at its power button and unplug it or turn off the breaker before you clean a filter or check a hose. If you smell gas, leave the home and call your gas utility from outside. If there is a burning smell, smoke, sparking or water near wiring, stop using it and keep it off until it has been checked.
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [44]
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [45]
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [46]
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [47]
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [48]
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [49]
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [50]
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [51]
Call a technician if: Code returns after a breaker reset, or the oven heats while off
Source: [52]
Call a technician if: Code returns after a breaker reset
Source: [53]
Call a technician if: Code returns after a breaker reset
Source: [54]
Call a technician if: Code returns after a breaker reset
Source: [55]
Call a technician if: Code returns after a breaker reset
Source: [56]
Call a technician if: Code returns after a breaker reset
Source: [57]
Call a technician if: Code returns after a breaker reset
Source: [58]
Call a technician if: Code comes back after one breaker reset
Source: [59]
Call a technician if: Code comes back after one breaker reset
Source: [60]
Call a technician if: Code appears at all
Source: [61]
Call a technician if: Code comes back after one breaker reset
Source: [62]
Call a technician if: Code comes back after one breaker reset
Source: [63]
Call a technician if: Code comes back after one breaker reset
Source: [64]
Call a technician if: Code comes back after one breaker reset
Source: [65]
Call a technician if: Message returns; the control panel may need replacing
Source: [66]
Call a technician if: Code comes back after one breaker reset
Source: [29]
Call a technician if: Code comes back after one breaker reset
Source: [30]
Call a technician if: Code comes back after one breaker reset
Source: [31]
Call a technician if: Code comes back after one breaker reset
Source: [32]
Call a technician if: Code returns with the probe correctly inserted
Call a technician if: Code comes back after one breaker reset
Source: [34]
Call a technician if: Code comes back after one breaker reset
Source: [35]
Call a technician if: Code comes back after one breaker reset
Source: [36]
Call a technician if: Code comes back after one breaker reset
Source: [37]
Call a technician if: Code comes back after one breaker reset
Source: [38]
Call a technician if: Code returns; the supply wiring needs checking by a professional
Source: [39]
Call a technician if: Code returns with the breaker on; supply wiring or relay board needs checking
Source: [40]
Call a technician if: Code returns; the power supply needs checking by a professional
Source: [41]
Call a technician if: Code comes back after one breaker reset
Source: [42]
Call a technician if: Code appears at all
Source: [43]
Call a technician if: Code comes back after one breaker reset
Source: [19]
Call a technician if: Code comes back after one breaker reset
Source: [20]
Call a technician if: Code comes back after one breaker reset
Source: [21]
Call a technician if: Code comes back after one breaker reset
Call a technician if: Code shows repeatedly or every time the oven is used
Call a technician if: Code comes back after one breaker reset
Source: [25]
Call a technician if: Code comes back after one breaker reset
Source: [26]
Call a technician if: Code returns after the longer power-off reset
Source: [27]
Call a technician if: Code appears at all
Source: [28]
Call a technician if: F1 returns after a breaker reset
Source: [14]
Call a technician if: Message appears at all
Source: [15]
Call a technician if: Code comes back after one breaker reset
Source: [16]
Call a technician if: Message returns, or the oven heats when it is switched off
Source: [17]
Call a technician if: Code comes back after one breaker reset
Source: [18]
Call a technician if: Any COOL FAN message on an L Series oven, or a repeat on a dual-fuel range
Call a technician if: Any LOWER RELAY message on an L Series oven, or a repeat on a dual-fuel range
Call a technician if: Oven stays on LO and never reaches the set temperature
Source: [1]
Call a technician if: Message stays with the correct probe fully seated; the probe may need replacing
Source: [1]
Call a technician if: A new, correctly seated probe still shows the message
Call a technician if: Controls stay unresponsive after leaving Sabbath mode and a breaker reset
If a code comes back after the safe checks, or the table says it needs a technician, the fault is usually a sensor, valve, pump, motor or control board, and diagnosing it means opening the wall oven. Our technicians repair Wolf appliances across Washington, DC, Northern Virginia and Maryland, seven days a week until 10 PM. Tell us the code when you book and we bring the parts that code usually points to.
Book Wolf wall oven repair $75 diagnostic, credited toward the repair.
Every code on this page was checked against Wolf's own documentation: owner's manuals, use and care guides, support articles or Wolf technical sheets. Codes we could only find on third-party sites are left out. Meanings are paraphrased; your model's manual is the final word.
Wolf is a trademark of its owner. Appliance Surgeon is an independent repair company and is not affiliated with Wolf.