Trane Furnace System Lockout

If one of the sensors reports an unsafe condition the furnace controller shuts off fuel and power to prevent unsafe operation.

Trane furnace system lockout.

After about 1 3 minutes the fan motor begins to run and delivers heat through the duct system. At least now i have a way to reset the lockout. Gas and oil home heating furnaces trane xl 80 system lockout. About 10 seconds after the hot igniter starts to glow the gas comes.

It then went into lockout. We also do not have an outside air source however we always keep the laundry room door open for better airflow. When i try to start up the system it shows normal heat call on the circuit board. Then reset the furnace.

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. I have a trane xl 80 system. I ignites about six. Most furnace lock outs are caused by problems with igniters flame sensors and limit switches.

For example a clogged air filter may prevent an adequate supply of air from entering the system s cold air return that causes the heat exchanger limit switch to trip. 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. Unfortunately this year i am on my own and don t know what to do. The remedy to this problem is simple replace the air filter.

All furnaces need to have adequate ventilation and a dirty air filter can cause a system lockout to occur. My trane furnace is flashing the 2 red light system lockout code. 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.

It does this every year. The furnace will go into lockout sometime in the next 24 hours. 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.