Wolf Legacy Dual Fuel Range ERR 0B Code: Calibration-Phase Converter Error

What 0B means

On Wolf legacy dual fuel ranges such as the DF304 and DF484CG, ERR 0B is an analog-to-digital error that occurs during the control calibration phase. In plain terms, the control board could not complete the check it uses to read its own sensors. The same condition is also labeled ERR E11 in some documents. You will see the code on the display and the oven may not start.

Common causes of 0B

Control board analog-to-digital circuit not calibrating
Sensor input readings out of range at start-up
Control board needing replacement

✓ One safe check you can try

1. Turn all knobs to OFF. 2. Reset power by flipping the range breaker off and on after a one-minute pause. 3. Wait through the start-up display and note whether ERR 0B shows again. 4. If it returns, do not keep power cycling. 5. Call us and tell us the exact display, including whether it reads ERR E11.

! Why to stop there

Calibration problems point to the control board and cannot be repaired by owners.
Repeated restarts do not change a failed check.
Pricing is written down first, and our repair is backed for 30 days.

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 Range codes

0122Wolf Dual Fuel DFxx50 Code 0122: Right convection drive shorted in the left oven Ignition LockoutWolf Gas Burner Code Ignition Lockout: Slow-Blinking Call-for-Heat Light 0221Wolf Dual Fuel DFxx50 Code 0221: Bake element DLB relay shorted, right or single oven LOWER RELAYWolf Legacy Dual Fuel Range Message LOWER RELAY: Shift Register Feedback Failure 0222Wolf Dual Fuel DFxx50 Code 0222: Bake element DLB relay shorted, left oven PFWolf Legacy Dual Fuel Range Code PF: Power Failure or Too Hot for Mode OPPWolf Legacy Dual Fuel Range Code OPP: Other Oven Locked for Self-Clean O9Wolf Legacy Dual Fuel Range Code O9: meat probe shorted

0B0B questions

Is ERR 0B the same as ERR E11?

They describe the same condition on this range. It is labeled both ways, depending on the document. Tell us which one your display shows. Which wording appears depends on the display type, so just read us the characters exactly as shown.

Why does it show at power-up?

The calibration phase runs when the control starts, so a failure appears right then. That is why a restart is worth one try but not more.

Can I cook around it?

Usually not, since the control may refuse to run. Call us and we will quote the repair before starting. Without a completed calibration the control cannot read sensors reliably, so cooking is not safe to rely on.