Viking Range Error Code Fan Hall

The Fan Hall error means the control board has detected a problem with the hall effect sensor that monitors convection fan rotation. The board expects a steady signal from this sensor confirming the fan is spinning, and when that signal is absent or erratic, the fault is triggered. It is displayed as the Cycle light flashing 4 times with a 4-second pause while the Clean light stays on.

You should avoid using convection bake, convection roast, or the self-clean cycle while this fault is active, as the control board cannot confirm the fan is operating. Standard bake or broil modes that do not rely on the convection fan may still function, but continued use without diagnosis could mask a worsening motor or wiring issue.

Repair costs vary depending on the failed component and labor rates in your area. A wiring repair or connector fix is typically the least expensive path, while replacing the hall effect sensor or convection fan motor assembly can run anywhere from $150 to $450 or more including parts and labor. Diagnostic fees charged by a technician are usually applied toward the total repair cost.

Some causes, such as a loose wiring connector or a fan blade obstruction, can be addressed by a knowledgeable DIYer with the range unplugged. However, replacing the hall effect sensor or convection fan motor involves disassembling internal components and working near high-voltage parts, which is generally better handled by a qualified appliance technician.

A power reset, such as turning off the circuit breaker for 30 to 60 seconds, may temporarily clear the displayed fault. However, if the underlying sensor, motor, or wiring problem is still present, the error will return once the range attempts to run the fan. A reset alone does not fix the root cause.