Viking Range Error Code 3 flashes then 4 seconds OFF

This flashing pattern on the cycle light indicates a Model Header error in the control board. The control system cannot read or recognize the model identification data stored in its memory. This is an internal electronics fault, not a sensor or mechanical issue. The range may be unable to operate normally until the control board is reprogrammed or replaced.

A Model Header error means the control board cannot confirm its own configuration, which may prevent it from properly managing range functions. Using the range in this state is not recommended, as the control system may not operate burners or oven functions within safe parameters. The range should be serviced before regular use resumes.

Repair costs vary depending on whether the control board can be reprogrammed or must be replaced. Control board replacement on Viking ranges typically ranges from a few hundred dollars to over five hundred dollars when including parts and labor. Diagnostic service fees may also apply before the repair is performed.

This fault is rooted in the control board's internal memory or programming, which limits DIY repair options significantly. If a power reset does not clear the error, resolving it typically requires a technician who can reprogram or replace the control board. Attempting to replace the board without verifying part compatibility may result in the same error appearing on the new board.

A power reset may temporarily stop the fault display, but if the model header data in the control board's memory is corrupted, the error will return after power is restored. A reset does not repair corrupted firmware or EEPROM data. Persistent errors after a reset indicate the control board needs professional attention.