Initiate Diagnostic Mode Upper Oven - Press and hold the TEMPERATURE key and the "0" key. Initiate Diagnostic Mode Lower Oven - Press and hold the TEMPERATURE key and the "0" key.. The Wolf oven fault code OPP displays on Dual-Fuel ovens if you try to operate one while the other is in self-clean mode. To safeguard against excessive heat and power usage, a Wolf Dual-Fuel oven will not operate at all while the other is self-cleaning. Clear the code by turning off the ovens' circuit breaker and waiting 60 seconds before.
The Wolf oven error code 6120 indicates a disruption in the communication between the User Interface Module (UIM) and the control board of the oven. It can be fixed.. Contact Us For assistance with trade-specific questions, call (866) 689-9653