Wolf Legacy E Series Code Error 09 0 0: UIM EE checksum error

What Error 09 0 0 means

Error 09 0 0 on Wolf Legacy E Series wall ovens such as the SO30PE/S/PH and DO30TE/S/TH is a UIM EE checksum error. The UIM, the user interface module, found that its stored EE memory does not match its checksum. The display shows the code, and the oven may not run normally until the module is corrected or replaced. The heating parts themselves are not what the code points to.

Common causes of Error 09 0 0

The UIM's stored memory failing its checksum
A power disturbance that corrupted the stored data
A UIM that needs replacing

✓ One safe check you can try

1. Turn the oven off and wait five minutes. 2. Switch the breaker off for one minute, then back on. 3. Set the clock if asked. 4. If Error 09 0 0 returns, stop using the oven. 5. Call us. Stored-data errors cannot be cleared from the keypad, and the panels should stay closed.

! Why to stop there

A memory checksum error is decided on the module itself, so guessing at parts wastes money.
Because the control may stop cooking functions, it is better to diagnose than keep resetting.
We would rather you approve a written price than wonder about the bill afterward.

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 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 1D21Wolf M Series Code 1D21: Both upper broil element DLbs open 3721Wolf M Series Code 3721: Upper door lock switch position invalid 2030Wolf M Series Code 2030: Relay board ambient thermistor circuit

Error 09 0 0Error 09 0 0 questions

Why does my UIM show Error 09 0 0?

The UIM found that its EE memory failed a checksum. In plain terms, the saved information inside the module is not reliable. Stored information is what is at issue.

Will resetting the breaker clear Error 09 0 0?

It might hide it once, but a checksum that fails again means the stored data is still bad. We recommend a visit if the code comes back.

Does it mean the whole oven is ruined?

No. The module is the suspect, not the cavity or the heating parts. We confirm by testing and quote the repair in writing before work.