Heil furnace limit switch open

Heil furnace limit switch open problem is when the limit switch is either not plugged in or has been unplugged.

The heil furnace limit switch open problem is when the limit switch is either not plugged in or has been unplugged. Some factors that might contribute to this are that the cord may have come loose from a bad connection, it may have been pushed too far back into the socket, or a break in the wire may have occurred.

If you have an issue with your Heil Furnace Limit Switch Open, call an authorized Heil Dealer, who will be happy to help!

Heil limit switches are in charge of monitoring and controlling the temperature in the furnace. If a limit switch fails, it can lead to a furnace shutdown.

The first step is to know what type of Heil Limit switch you have, then head over to my Blog for the second step on how to troubleshoot and fix an open limit switch.

The furnace limit switch is a safety device that shuts down the motor if the temperature in the plenum or space where the furnace heat exchanger is located gets too high.

There are two types of limit switches. One switches off power to the motor when it gets too hot, and one shuts down when it senses that a temperature drop has occurred, which could mean an overheat situation is resolved.