Trane Furnace System Lockout

Three flashes on the trane furnace control board means that the vent pressure is too high or too low which then activates the pressure switch and causes a lockout.

Trane furnace system lockout. The remedy to this problem is simple replace the air filter. If one of the sensors reports an unsafe condition the furnace controller shuts off fuel and power to prevent unsafe operation. Your furnace normally will remain in the locked out state until you manually reset it. I ignites about six.

Check all incoming and outgoing vents on the furnace air system including on the furnace and clear away anything that may be blocking the air flow. At least now i have a way to reset the lockout. My trane furnace is flashing the 2 red light system lockout code. Since our hvac system is in our laundry room i understand that lint may cause some issues with the sensor.

Unfortunately this year i am on my own and don t know what to do. When i try to start up the system it shows normal heat call on the circuit board. After 2 weeks of working well the furnace started having the same lock out issues after 3 attempts to light. This condition is known as lock out.

All furnaces need to have adequate ventilation and a dirty air filter can cause a system lockout to occur. About 10 seconds after the hot igniter starts to glow the gas comes. At least the instructions with the new board are a little better than what i had with the first one. After about 1 3 minutes the fan motor begins to run and delivers heat through the duct system.

The furnace will go into lockout sometime in the next 24 hours. Gas and oil home heating furnaces trane xl 80 system lockout. It does this every year. The system did the same thing tried twice to turn on but we still do not have 24v at the red and gray wires going into the top of the gas control.

I have a trane xl 80 system. Most furnace lock outs are caused by problems with igniters flame sensors and limit switches. Then reset the furnace.