Why does my furnace limit switch keep tripping?
If the air inside your furnace gets too hot, the limit switch trips to prevent overheating. If the furnace high limit switch trips due to overheating, there is likely an airflow issue that is preventing proper air movement through the system. Check your air filter, and replace it if dirty.
Can you reset a limit switch?
You can try resetting the furnace limit switch yourself if you have a newer model by turning off the furnace for 30 seconds and then turning it back on. However, if this does not work or the furnace repeatedly shuts down, calling heating experts to reverse or reset the limit switch is a good idea.
Where is the reset button located on a Coleman furnace?
Locate the manual reset switch near the left side of your furnace blower. Your Coleman furnace has an upper limit switch for manual reset and a lower limit switch for automatic reset.
How do you manually reset a limit switch?
That is, it shuts down completely. You can try resetting the furnace limit switch yourself if you have a newer model by turning off the furnace for 30 seconds and then turning it back on.
How do I reset my Coleman heater?
- Turn the Coleman furnace system switch to the “Off” position on the electric service panel.
- Locate the manual reset switch near the left side of your furnace blower.
- Press the reset button, which you will find in the middle of the limit switch.
- Turn the system switch to the “On” position.
Why is my Coleman furnace not blowing hot air?
Not heating? Most likely, either the electrical system providing your furnace’s power has shorted or the power switch has blown. Try resetting your furnace’s circuit breaker. If it has blown, you will need to replace it.
How do you reset a limit switch?
Why is my furnace running but not blowing hot air?
The Furnace Is Blowing Cold Air First, check to make sure the thermostat is set correctly. You will want to make sure that the fan control is set to auto, and not ‘on’. If the thermostat appears set correctly, turn off your heater at the thermostat and check the filter. If the filter is dirty, replace it.