Wolf Oven Error Code E38/F15

E38/F15 indicates that the oven's control board experienced an over-temperature condition caused by a power failure during operation. When power cuts out mid-cycle, the board's normal cooling and shutdown process is interrupted, and heat accumulates around the board. The fault is logged to protect the control board from damage. In most cases, this is a one-time event that clears after the oven is powered off and back on.

If the error clears after a power reset and the oven operates normally with no recurring faults, it is generally safe to resume use. However, if the code comes back after resetting, stop using the oven until the control board and cooling components have been inspected. A damaged control board can cause unpredictable oven behavior.

If the fault returns repeatedly, inspect the oven's ventilation openings for blockages and listen to confirm the cooling fan is running during oven operation. A fan that is not operating will cause the control board to overheat more easily. If ventilation and the fan both appear normal, the control board may have sustained damage during the original power event and should be evaluated by a qualified technician.

Yes, in most cases turning the power to the oven off and then back on will clear this fault code. It is best to allow the oven to cool down fully before restoring power so the control board is within its normal temperature range. If the code returns after a successful reset, further diagnosis of the control board or cooling system is needed.

If the fault clears with a simple power reset, there is no repair cost involved. If the control board has been thermally damaged and requires replacement, parts and labor costs for a Wolf oven control board typically range from several hundred dollars to over a thousand dollars depending on the specific model and labor rates in your area. A cooling fan replacement, if that is the contributing issue, is generally a less expensive repair.