Wolf Legacy Dual Fuel Range Code Err: How the Error Display Works

What Err means

On Wolf legacy dual fuel ranges, Err is not a code by itself; it is the prefix shown before a code, as in ERR 01 or Err 12. Err 00 in Diagnostic Mode means no errors are logged, and diagnostic mode keeps the last seven errors, listed as 1p through 7p. Read the characters after Err to learn what the range is reporting.

Common causes of Err

Err appearing as the prefix to a numbered error code
Err 00 shown in Diagnostic Mode meaning no logged errors
A stored past error viewed through the 1p to 7p history

✓ One safe check you can try

1. Write down the full display, including the characters after Err. 2. Turn all knobs to OFF and let the oven cool. 3. Do a single reset at the range breaker with a one-minute pause. 4. Check whether the same code returns. 5. Call us with the exact code so we can match it to the correct meaning.

! Why to stop there

The number after Err matters most, and a mistaken reading leads to the wrong repair.
Diagnostic history needs interpreting alongside what you saw during cooking.

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.

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Other Range codes

OPPWolf Legacy Dual Fuel Range Code OPP: Other Oven Locked for Self-Clean O9Wolf Legacy Dual Fuel Range Code O9: meat probe shorted 01Wolf Legacy Dual Fuel Range Code ERR 01: Door Lock Switches Not Sensed OCWolf Legacy Dual Fuel Range Code OC: oven knob lost contact 02Wolf Legacy Dual Fuel Range ERR 02 Over Temperature Code: 630 F Unlocked or 950 F Locked OEWolf Legacy Dual Fuel Range Code OE: power relay shorted 03ERR 03 on a Wolf Legacy Dual Fuel Range: Open Circuit on the RTD Oven Sensor CFH light slow blinkWolf DSI Gas Burner Code CFH Light Slow Blink: Ignition lockout

ErrErr questions

Does Err 00 mean something is wrong?

No. In Diagnostic Mode, Err 00 means no errors are logged. It is a clean result. Read the characters that follow it, such as 01 or 12, because those carry the real meaning.

How many past errors does the range remember?

Diagnostic mode keeps the last seven, shown as 1p to 7p. That history helps us trace repeated or intermittent problems. Each entry is a past event, so we compare it against what you saw to find repeating problems.

Why do some codes look different on my display?

Legacy displays show Err followed by a two-character code, and some show text messages. Tell us exactly what you see and we will match it.