Viking Stuck Cooling Fan Relay or Faulty Thermostat

Viking oven fan runs continuously even when the oven is off and cool.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Cooling fan thermostat stuck closed, EOC fan relay welded closed, Shorted wiring causing constant power to fan

Safety: Disconnect power before accessing the fan or control components.

Steps:

Allow the oven to cool completely and verify that the fan still runs with the oven off.
Locate the cooling fan thermostat and test for continuity at room temperature. If closed when it should be open, replace the thermostat.
If the thermostat is functioning correctly, inspect the EOC fan relay. If the relay contacts are welded closed, replace the EOC.
Check wiring for any bypass or short that could be feeding constant power to the fan.

Hard 4/5

Cooling Fan Thermostat

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