Wolf M Series Code 0021: Bake Element Relay Shorted

What 0021 means

Wolf M Series wall ovens, including the SO30 and DO30 models, report 0021 as a bake element relay shorted. In the four-digit format the third digit is the priority. Its sister number 0022 carries the same wording. The oven may stop baking, show the code and refuse a new cycle.

Common causes of 0021

Bake element relay stuck closed or shorted
Control board relay output failing
Wiring to the bake element damaged

✓ One safe check you can try

1. Turn the oven off and let it cool completely. 2. Switch the oven breaker off for one minute, then on. 3. Set a simple bake mode and see if 0021 returns. 4. If the oven heats unexpectedly or smells hot, turn the breaker off. 5. Do not open the control panel; call us.

! Why to stop there

A shorted relay can leave the element powered when it should be off.
The relay is on the control side with live voltage.
We quote in writing first, and a 30-day workmanship warranty covers our repair.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Wall Oven codes

0121Wolf M Series Oven Code 0121: upper right convection relay shorted 0221Wolf M Series Code 0221: Upper Bake Element DLB Shorted 0321Wolf M Series Oven Code 0321: Broil Relay Shorted on the Upper Element 0421Wolf M Series Code 0421: upper left convection relay shorted 0630Wolf M Series Oven Code 0630: Auxiliary DLB Shorted 1A31Wolf M Series Code 1A31: Upper left convection fan triac open 3421Wolf M Series Code 3421: Upper door lock timeout 1B21Wolf M Series Code 1B21: Cooling fan triac shorted (1B21)

00210021 questions

What does 0021 mean?

It is a bake element relay shorted. The relay that switches the bake element reads as shorted, so the control flags it. The cost of the visit is quoted in writing before we start.

What is 0022?

It carries the same wording, with a different last digit for priority. We read both numbers together. Please do not remove covers, since that exposes live parts and may void other protections.

Is it safe to keep baking?

We advise stopping. A shorted relay can keep the element on, so turn the breaker off and call us for a written price. Having someone home who can show us the problem makes the visit quicker.