Switch SW-1 in OFF position. This indicates that the furnace is operating normally, but theres no call for heat. The LED is flashing error code 31, which means: Pressure, Draft Safeguard, Auxiliary-Limit (when used, or Blocked vent shutoff (when used) Switch did not close or reopen. Error codes include Code 31, Code 13, both Blinking Light, and how to reset your furnace. Call professional for help. Ruud vs. Goodman: Which Air Conditioner is Better? Also, ablinking red furnace light could indicate a voltage problem. Payne furnaces have a built-in diagnostic system that reminds you when things are not going to plan. Skilled laypeople can perform these tasks. Fortunately, all Carrier models have this mode. Air Conditioner Repair Near Dallas: How to Find the Best Company? So, what do the various number of flashes mean? If the furnace flashes slowly, i.e., ON for two seconds, then OFF for two seconds, its in the recycle state. Code 1-4: Represents an ignition problem. A furnace can get stuck in high fire mode due to a defective gas valve solenoid. Simply replace the air filter with a new one, and the yellow light should turn off. When the yellow, red, or orange light on your furnace quickly blinks, it means that there is an issue inside the furnace that has to be fixed right away. They can look for leaks in the gas valve. For instance, if both LEDs are concurrently flashing slowly, it means that the furnace is working normally but theres no call for heat, i.e., your furnace isnt heating your home. Carrier furnace error codes can provide important information when troubleshooting a furnace. 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. This fault indicates the limit switch has tripped 10 times in a row in a high fire or 3 times in a row in a low fire during a call for heat. This fault could also indicate the gas valve relay on the furnace control board is stuck closed, or there is a miswire/short to gas valve wiring. A Rheem furnace cannot run when the lockout is in progress, no matter how hard you try. To fix the issue, troubleshoot the furnace for low inlet gas pressure, a defective gas valve, low flame carryover, rough ignition, or an ungrounded flame sensor. : Six LED flashes signal that the poles are reversed. If its still blinking error code 31, then the high pressure switch might be faulty. However, before you dial the customer support line, you should try decoding the onboard error codes to see if you can fix the problem yourself. Required fields are marked *. An `OK LED light on the control board blinks a code that indicates the underlying problem. : This indicates that the blower isnt turning at the required speed (revolutions per minute). Wvfan79 : Simply remove the indoor unit service doors to gain access to the circuit board. What it means: If youre wondering, What does the blinking light on my Carrier furnace mean? there could be several answers. Three LED flashes indicate that the high limit switch is closed at the start of the heating process. The LED light on the Nordyn furnace has many functions. Do not turn any electrical devices or switches on or off. How to fix: So, how do you fix Error Code 13 on a Carrier furnace? If there is a problem with any component of the system, you will see the error code right next to it. Show that your furnace has a primary open circuit. Make sure the light is orange. Your local Carrier expert is standing by to assist, ready to evaluate your system and provide solutions you can trust. This means that a normal flame has been detected. If not, fix it first. The biggest takeaway from this guide is that furnaces from all the leading manufacturers have diagnostic error codes that can be valuable during troubleshooting. Instead, you need to replace it. There can be many issues, like gas solenoid, dirty furnace, etc. The flashing yellow light is a safety mechanism designed to alert you that the furnace is stuck in high-fire. So, you need to wait. Check that the inline gas valve is open. In severe cases it can cause your system to shut down completely. : Two flashes mean that the pressure switch has a problem. The most common codes include; Understanding the basic error codes on your Keeprite furnace can help you take better care of the unit for a longer life or reliable use. While furnace troubleshooting can often result in an easy fix like replacing a clogged filter sometimes you have to contact a professional for a complete system check and evaluation. Here are Some Carrier Furnace Error Codes CALL VESE WHEN YOUR CARRIER FURNACE NOT WORKING The following are the most common codes decoded. Under most conditions, low fire mode will satisfy the thermostat and shut off the furnace before the high fire ever comes on. Problem A: Clean the condenser coils. Turn off the power supply to maintain safety. This may be due to a closed gas valve. In this case, its best to call an HVAC technician to diagnose and fix the problem. that the blower calibration has a problem that needs to be addressed. Look for limit switches that tripped and reset or replace them. Its counterproductive to reset the switch without addressing the cause. The reason it blinks is to alert you about the underlying issue. Check the thermostat setting to be sure it is correctly set for heat or the fan is set to on or auto. A professional service can assess this problem. The following are several other codes and what they represent; Like other furnaces, York models have various ways to signal different errors. This fault indicates an improper a/c or cf switch setting. If the high-pressure switch opens during high heat, the furnace control board starts flashing fault code 31 and ramps inducer rpm up until the high-pressure switch remakes. If the LED light comes on when you start the furnace and stays on for the rest of the heating operation, everything is fine. The furnaces typically have a built-in light-emitting diode (LED) located behind a transparent cover in the lower door of the furnace. Problem C: this can occur when the furnace is not properly grounded to your electrical panel or when there is a control panel failure. A pressure switch that has been opened is indicated by 3 red flashes. Are a warning of a low flame sensor amp reading due to low gas pressure. This can be concerning, but the good news is that its usually not a major issue. Let us help identify your perfect system. However, they will most likely encourage you to replace the gas valve solenoid. If your furnace has these and are illuminated or flashing, take a look at the chart below to see what they mean. To fix it, check if the flame sensor is ungrounded. Check that the thermostat is correctly set to heat. What does a solid red light mean on a carrier furnace? He has had the privilege of writing for such websites as the DIY network, Huffington Post, HGTV and many others. : The furnace will be flashing yellow, showing that polarity has reversed. In some cases, various lights will flash randomly. Therefore, you should hire an expert. A single LED flash signals that the furnace has failed to detect a flame within three attempts from the time of ignition. It says to check: 1. It can be a terrifying situation. The scroll button is located on the bottom of the device. Carrier furnace continuously blinking YELLOW LED3 light indicates furnace is stuck in high fire mode, and continuously blinking GREEN LED4 light indicates furnace is stuck in low fire mode. Nine red flashes mean there is a polarity problem. This is shown when stored status codes are erased since power is interrupted. The code is typically accompanied by a yellow flashing and essentially requires that you reset the carrier furnace. The fault history can be cleared by jumpering r, w/w1, and y/y2 thermostat leads simultaneously while setup switch SW-1 is in on position. If you know how to read the codes correctly, you can cross-reference with your owners manual to determine why your furnace is misbehaving. A dirty or clogged filter can seriously restrict heating air flow to the point where the system cant keep you comfortable. What it means: This code usually signifies a limit switch lockout. However, you shouldnt blame blinking lights on a system check unless the manual mentions this mechanism. However, the three most common error codes besides the blinking yellow light are 3-1, 1-3, and 3-3. High-fire mode is a setting on the Carrier furnace in which the heater generates a lot of heat over a short period to jumpstart the heating process or heat a very cold house faster. The codes are similar to Arcoair codes. What it means: Carrier furnace solid orange light means that dirt build up on the furnace burners may possibly be interfering with the gas supply and heat production. Generally, the blinking light will display a two-digit number. The meaning is determined by the number of times flashing LED blinks and the rate at which it blinks. The alert might become annoying, especially, in case you have already fixed the problem. : One red flash signals that a flame is present, but the gas valve isnt getting power. [] Lennox furnaces have two LED lights that flash in different patterns depending on the underlying issue. If the pair of lights are blinking slowly, it means that the furnaces. Typically, the furnace will run at low fire for up to 15 minutes, then switch to the high fire mode. The following are the main codes to get you started with the troubleshooting process; Rheem furnaces have integrated controls that flash a warning LED light when there is a problem with operation. Learn about our innovative products and how they can help improve your comfort. Carrier-Comfort Heating and Cooling is your air conditioning contractor for all HVAC installation and repair needs. If it doesnt work I want you to consult a technician. Fixing the blower motor, filter, loose blower wheel, faulty switch, or insufficient combustion air supply may be necessary if the limit switch lockout or flame roll out switch is flipped. In addition to this, there is yet another explanation for why the light on the furnace is solid red. The warranty can get you cheap, possibly even free repairs, and a new furnace if you meet the terms and conditions. Sometimes, lights on a furnace flash because of a glitch, and resetting eliminates glitches. I'm assuming when you hit it the fuse in the indoor unit blew. Your experience and expertise are of high value when troubleshooting this unit. The most common codes are as follows; Additional error codes on Arcoair furnaces include; Coleman makes excellent furnaces known for durability and reliability. Problems: Pressure switch calibration fault. They will evaluate the whole system and provide you with better solutions. However, if the light is flashing or staying on continuously, its indicating a problem. The blinking yellow light will warn you. Check for power via the breaker, switch, indicator light, and fuse. Although some carrier furnace repair issues can be troubleshoot you may need to engage a professional.