The problem is not the switch.
Carrier gas furnace ignition problem.
This means that your furnace is getting too hot and around the burner orifice.
Also clean any dirty air filters before trying to reset the igniter.
Sometimes the thermostat gets turned off or the setting changed by accident.
This can easily be overlooked.
All problems resolved before the furnace is returned to operation.
Carrier gas furnace troubleshooting step by step.
The switch is doing it s job by shutting the gas thus heat off.
Look for common problems check to see that the circuit breaker for the furnace is not tripped and provides power to the unit.
The truth is many homeowners have thought their carrier furnace wasn t working but all they needed to do was to turn on the system or turn up the heat.
A bad blower dirty filter collapsed ductwork plugged up flue can cause the limit switches to open.
If it s dirty air can t flow properly through the furnace.
Gas and oil home heating furnaces carrier 58gsc065 jb gas furnace spark ignition problem i have a carrier furnace that does not reach temp or heat up at all sometimes had the gas co.
Flame sensor electronic ignition gas furnace problems and troubleshooting.
Your furnace has built in fail safes to keep you and your house safe when there is a problem with the system.
All the gas furnace problems need to check out with proper troubleshooting techniques.