Furnace Error Open High Limit Switch

Goodman residential furnaces contain multiple limit switches to ensure safe operation.

Furnace error open high limit switch.

Easy enough to figure out. Place a thermometer on the high limit switch and see how hot it is really getting. More buying choices 8 80 7 new offers. I have the the amana air command 80 high eff gas furnace and the unit works for 3 4 hrs cycling on and off normally then will shut down and won t start again until the unit is powered off reset.

Free shipping on your first order shipped by amazon. I have an amana. I have a 1994 lennox 80 mgf series furnace and there is a 4 ligh flashing which say high limit or rollout switch open. Some technicians will try to tell you they are suppose to trip.

I have a frigidaire furnace model fg7tc o8od vc and the flashing green and no red lights tell me i have a open limit switch fault. A clogged up furnace filter will block air flow into a furnace and raise the temperature inside it. Things to check first. Example limit switch on amazon honeywell l4064b2236 combination fan and limit furnace control.

Green light and r read more. Depending on your furnace model the switch will be surrounded by a silver or white cover. It will be located at the top of the panel. As others have stated either the switch is bad or your your furnace has overheated.

The primary limit switch which prevents the furnace from heating to unsafe temperatures is programmed to reset automatically after a malfunction. If the temperature inside the unit becomes to high the high limit switch will turn the gas off to the unit. Get it as soon as thu sep 17. Remove the cover by lifting it upwards or pulling it off to reveal the body of the switch and two metal arms.

Founded in 1982 goodman manufacturing is an american company that produces heating and air conditioning equipment for residential and commercial customers. These switches open way above normal operating temperatures and should never trip. 1 16 of 368 results for furnace high limit switch b13701 55 goodman oem furnace replacement limit switch. Some furnaces will have two or even three high limit switches wired in series and checking the temperature at deferent points in the furnace.

Locate the white limit switch. Attempting to reset the furnace limit switch while the power is connected may result in electrical shock.