Trane Furnace Gas Valve Circuit Error

I m trouble shooting a trane xv90 model tuy060r9v3v variable speed 2 stage gas furnace.

Trane furnace gas valve circuit error.

Keep in mind these trip for a reson and saftey should be your main concern. Carrier furnace yellow light blinking switch error code before. Check gas valve at gas company meter check shutoff valve at furnace and check for other shutoff valves. The furnace works fine until it has to cycle then i get the red fla read more.

Red colored error code taking it from the top if you happen to see 1 red colored flash on your york furnace it signals that the gas valve isn t receiving power. Trane xv80 thermostat call for heat led slow flash on board accelerates to rapid flash draft fan starts lo burner pressure switch engages ignitor glows brightly gas valves fails to open and cycle. Refer to your use and care guide or contact your local trane comfort specialist. Your system could be turned off or your unit unplugged.

There are also thermal cut offs that have a resistor. Contact the gas company to have gas valve turned on or contact your local trane comfort specialist. You may have a gas leak at the valve. Check all thermal switches high limit and reset them if any are tripped.

The codes are explained on a wiring diagram that is glued to the back of the panel. Decipher nine led flashes to mean the high stage pressure switch was on and made sure the gas valve on the inlet hose was open. Check operations will be affected. 2 red colored flashes means that the switch that controls pressure is possibly stuck.

Unfortunately the user manual of the trane xr90 furnace offers no explanation of what the blinking light means that can be seen behind a small hole in the bottom front panel of this high efficiency gas furnace. It continues to try and light up but with no success. Check your thermostat and heating unit to assure that they are both plugged in. There is a small red or black button you can press to reset them.