Viking Range Error Code Keyboard

The Keyboard error on a Viking range indicates that the control system has detected an internal disconnection between the VDSC-tactile key PCB and the VDSC-display PCB. These are two separate circuit boards inside the control panel that are linked by a cable. When that cable or its connectors lose contact, the range sets this fault. The result is often an unresponsive keypad or a non-functional display.

Powering the range off at the breaker and back on may temporarily clear the error display, but if the underlying cable connection issue has not been corrected, the fault will return. A reset is useful for confirming whether the problem is intermittent, but it is not a substitute for inspecting and securing the inter-board cable connection.

If the fix is simply reseating or replacing the inter-board cable, the repair cost is relatively low, typically in the range of $50 to $150 for parts and a service call depending on your location. If one of the PCBs needs to be replaced, costs can rise to the range of $200 to $600 or more, depending on the specific board and labor rates in your area. Getting a diagnosis before committing to a board replacement is recommended.

A knowledgeable DIYer can often resolve this error by accessing the control panel and reseating the cable that runs between the two control boards. If the cable is visibly damaged, replacing it is a reasonable repair with basic tools and the correct replacement part. However, if the fault persists after addressing the cable and connectors, board-level replacement is typically needed and may be better handled by a qualified technician.

It is generally not advisable to continue using the range while this fault is active. The disconnection between the key PCB and display PCB can result in an unresponsive control panel, which means you may not be able to accurately set, monitor, or cancel cooking functions. This loss of control creates a practical safety concern and the issue should be addressed before resuming normal use.