Carrier Furnace Error Code 31 - Pressure Switch Furnace Issues [RESOLVED]. Thats why troubleshooting a furnace when its not functioning can be an additional source of comfort for you and your family. You should wait for the furnace to cool down before testing the high-limit switch for continuity. If you see 3 flashes of yellow, this indicates that there is no cause for concern and that your furnace is simply finishing a cycle that it started recently. In some cases, the yellow light might stay on because the furnace is overheating. But even in milder areas of the U.S., having a fully functioning heating system you can rely on is a great source of comfort. If youre , As the seasons change, we all know how bad allergies can get. In most cases, the flashing will start, but the furnace will turn off just before it does. You are being prompted to act by the blinking light that is either yellow, red, or orange. If a high-pressure switch makes during low heat, the furnace control board starts flashing fault code 31, shuts the unit down, waits 2 minutes, stops flashing fault code 31, and restarts the heating cycle. Does it light in a particular color? This one indicates blower calibration lockout. You need to check if the gas valve wiring is correct. If the light on your furnace flashes four times in rapid succession, this indicates that the high limit switch is not closed. He is person that will grow and thrive to learn more about the HVAC industry throughout his career. The codes are similar to Arcoair codes. Well only focus on the codes for the most common errors. Two LED flashes are a sign of a pressure switch problem. Mas Broto is also a blogger, who's dedicated to bringing you the best knowledge to get ahead in the game of life. If the sensor is dirty, it cant properly detect the flame, so the furnace wont stay on. Your Ultimate Guide to Error Codes, Goodman Air Conditioner Codes: Troubleshooting Common Goodman AC Failures, How to fix the American Standard HVAC 3 Flash Error Code, How to Reduce Air Conditioning Costs During Summer. You dont expect orange lights to blink. 1) The thermostat may be set to 'Off' or 'Hold'. : Three flashes are a sign that the pressure switch has a problem. Lets find out. Maybe the carrier furnace is locked out, or one of the parts isnt functioning normally. In the meantime, the furnace will warn you using the error codes. It may be operating when it shouldnt. The following are the most common codes decoded. If it tripped, you should reset it. A failed ignition sequence causes this lockout problem. Determining Bryant Air Conditioner Age from Serial Number, The Location of a Lennox Serial Number and How To Read It, How to Identify Your RHEEM Furnace Age by Serial Number, How To Tell Age of Trane HVAC from Serial Number. If the fault code is flashing, the unit still operates, but it defaults to the closest allowable airflow. Adjust the settings. This shows limit switch lockout. We want to hear about your experience! Although some carrier furnace repair issues can be troubleshoot you may need to engage a professional. You cant do without this component. Have been in the heating and air conditioning (HVAC) industry for over 20 years. One potential cause of the yellow light staying on is a dirty sensor. Here, you would have to check a few things. This is especially true in areas where winter temperatures fall below freezing for extended periods of time. When the high-pressure switch remakes, the furnace control board stops flashing fault code 31 and continues the heating cycle. High fire mode is usually 100% on most furnaces, though a few units can operate at up to 130% during high-fire. What Does It Mean If Carrier Furnace Is Blinking Yellow Light. Error code 3-1 (or 31) typically signals a problem with the pressure switch. Other factors to consider would be how well the furnace has been maintained, how many hours it spends heating your home in an average season and how warm you set your thermostat.
Funerals Today At Eltham Crematorium, Puerto Rican Comedian Actor, Michael Rhynes Blm, Bike Shop Brighton Mi, Articles C