Wolf M Series Oven Code 0630: Auxiliary DLB Shorted

What 0630 means

Wolf M Series wall ovens, such as the SO30, DO30 and 2019 and later SO3050 models, display 0630 for an auxiliary DLB that reads shorted. The number 0620 is an alternate for the same condition. The third digit is the priority. The oven shows the code and may stop heating until it is serviced.

Common causes of 0630

Auxiliary DLB switching path reading shorted
Control board output for the auxiliary DLB failing
Wiring in the auxiliary circuit damaged

✓ One safe check you can try

1. Turn the oven off and let it cool. 2. Switch the breaker off for one minute, then on. 3. Start a short bake to see whether 0630 returns. 4. If it does, stop using the oven. 5. Call us; do not open the control panel.

! Why to stop there

A shorted DLB means a safety switching path is not behaving correctly.
Checks are on live circuits.
We quote in writing first and give a 30-day workmanship warranty.

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 1831Wolf M Series Code 1831: Upper door lock relay open 3311Wolf M Series Code 3311: Upper thermal cutoff open 1A31Wolf M Series Code 1A31: Upper left convection fan triac open 3421Wolf M Series Code 3421: Upper door lock timeout

06300630 questions

What does 0630 mean?

The auxiliary DLB reads shorted. It is a switching path outside the main bake and broil elements. The sooner it is looked at, the less likely a small problem becomes a bigger one.

What is 0620?

It is an alternate number for the same condition, with a different priority digit. We treat the model details as part of the diagnosis, since similar codes differ between lines.

Can I reset it?

A breaker reset may clear a one-time glitch. If 0630 returns, we should test the circuit. Nothing here replaces a hands-on check, which is the only way to be certain.