Wolf M Series Wall Oven Code 3922: Lower broil bank wiring error

What 3922 means

On Wolf M Series double wall ovens, including the DO3050PM/S/P, code 3922 reports a wiring error in the lower broil bank. The control found a problem in the connections to the lower oven broil heating circuit. The display shows 3922, and the lower cavity may lose broil or other heating modes while the upper oven keeps working. The upper oven has its own circuits and usually keeps running.

Common causes of 3922

Wiring or connector to the lower broil bank
Loose terminal at the lower broil element
Relay board output for the lower broil bank

✓ One safe check you can try

1. Turn the lower oven off and let it cool all the way. 2. Trip the oven's breaker to off, leave it two minutes, and flip it back. 3. Use the upper oven to confirm it still runs normally. 4. Leave the lower oven unused if 3922 returns, and call us. Opening the oven back to check terminals is not safe.

! Why to stop there

Lower-cavity wiring runs in a tight, hot space, which is why terminals can loosen or discolor.
Our meter test finds whether the wire, connector, or relay board is the weak link.
You decide with a written number in hand, and we stand behind the job 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 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 2A30Wolf M Series Code 2A30: Microprocessor communication failure 1231Wolf M Series Code 1231: Upper bake element DLB open 2C20Wolf M Series Code 2C20: Relay board network failure

39223922 questions

Why only the lower oven?

Wolf wall ovens keep a separate broil bank for each cavity. 3922 points at the lower bank, so the upper oven can work normally while the lower one reports the wiring error.

Is a double oven repair more expensive?

The wiring checks are similar, but access to the lower cavity can take longer. We quote the exact repair in writing before we start so there are no surprises.

Should I worry about using the upper oven?

If it runs and shows no code, it is fine to use. If any code appears there too, stop and tell us, because a shared relay board could be involved.