Limit Switch Lockout Explained: Why Your Furnace is Off & How to Fix It
The house is cold, the thermostat is calling for heat, but your furnace is completely silent. When you check the unit, a blinking light signals a “limit switch lockout.” This…
The house is cold, the thermostat is calling for heat, but your furnace is completely silent. When you check the unit, a blinking light signals a “limit switch lockout.” This…