Carrier furnace error code 71
Carrier furnace error code 71 is given due to a fault in the Carrier furnace. This particular code is given when the furnace blower stops working.
Carrier furnaces are one of the most common heating systems in the U.S., but if you’re having issues with your Carrier furnace, these are some of the most common causes and solutions to identify problems.
Carrier furnace error code 71 is a normal code that indicates an issue with the furnace or its electronic components.
Carrier Furnace Error Code 71 will be displayed on the control panel if the burner speed sensor is damaged or incorrectly wired. If there’s no sensor, Carrier will display a Faulty Sensor instead.
The following are some of the common causes for this error code appearing:
– The furnace was not turned off properly before attempting to start it again after changing an electrical device, like a light switch or plugging in a lamp;
– The wrong fuel was used, such as oil instead of gas;
– The power cord is loose;
– The start capacitor has overheated and blown up.
Carrier furnace error code 71 occurs when your furnace goes out and keeps beeping. The door switch/circuit board is a known cause of the beeping problem, but if your furnace continues to beep after replacing these parts, there may be a different issue.
The most common symptoms for Carrier furnace error code 71 are that the thermostat will turn on and off repeatedly or continuously flash the error light.
Carrier furnaces come with a warranty, so you’ll want to make sure you’re contacting Carrier to resolve it as soon as possible.