My red light is blinking 3 times and i want to answered by a verified hvac technician.
Trane furnace limit switch reset.
Description trane man reset limit switch l310f b341233p01 swt02173 this is a brand new trane american standard manuel reset disc limit switch rated at 310 degrees l310f.
Locate the white limit switch.
High limit switch a high limit control switch will turn off the gas to a furnace if the temperature becomes too high.
The limit switch shuts off the burner when the temperature exceeds a preset temperature.
A furnace has two switches called a fan limit switch and a high limit switch these switches can be separate or in one package called a combination switch.
The limit switch is a safety switch that monitors t.
Limit switches turn off the burner and turn on the circulating fan if there is a high temperature condition in the furnace.
When the temperature reduces to normal the burner will come back on.
Well normally these high limit safety s are suppose to automatically reset once the heat exchanger temps drop back down below the limits calibrated setting what ever.
I would try a reset it may have been a fluke that it tripped if the reset dosent trip again it is probably fine.
It will be located at the top of the panel.
In this episode of repair and replace vance shows how to replace the high limit switch in a gas furnace.
Remove the cover by lifting it upwards or pulling it off to reveal the body of the switch and two metal arms.
Hey i have a trane xl 80 and the light it blinking 4 times and says open high limit switch what can i do to fix it.
Depending on your furnace model the switch will be surrounded by a silver or white cover.
The part number is swt02173 also b341233p01.
On a trane 80 gas furnace.