Wolf M Series Code 0522: Lower Broil DLB Reads as Shorted

What 0522 means

For Wolf M Series wall ovens such as the SO30TM and DO30PM and the newer SO3050 models, code 0522 means the DLB for the lower broil element is shorted. The control sees the line-break path to the lower broil as closed. Owners see 0522 on the display, and broiling from below, or heating generally, may be blocked until a technician clears the cause.

Common causes of 0522

Shorted DLB path for the lower broil element
Control board relay for the lower broil element stuck or damaged
Wiring or terminal damage near the lower broil element circuit

✓ One safe check you can try

1. Switch the oven off, then give it at least an hour to cool down. 2. With the oven cool, reset its breaker by switching it off and on again. 3. Give it a brief trial and see if 0522 returns. 4. We take it from here if 0522 comes back; leave panels in place.

! Why to stop there

If the control cannot open that circuit, an element could keep heating, so this is a safety matter.
A closed path that should open can leave the element energized with no way for you to stop it at the oven.
You get a written price before any part is ordered.

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)

05220522 questions

Why is my oven showing 0522?

The line-break switch for the lower broil element reads as shorted, which means the control cannot be sure it can cut power to that element.

Can I bake around 0522?

We advise against it until the oven is checked, since an element that cannot be shut off reliably is a safety concern. Our technician starts from 0522 on the screen, so you only pay for what is needed.

What happens at the visit?

We read the code, test the circuit, and give a written price for the repair. Work begins only after you say yes. A visit lets us confirm 0522 in person, so there are no surprises on the bill.