Error Codes for American Standard Furnaces: What Do They Mean?
When you install a new furnace, it’s important to understand how to use it. In order to operate your new system properly, you need to understand the error codes that may appear. These error codes often indicate there is a problem somewhere in the heating process. Understanding these error codes and their meanings can help you troubleshoot issues with your system more effectively and efficiently. When you are installing a new or replacement home heating system, the manufacturer should provide you with information about what error codes may appear on the thermostat or furnace and what they mean. Having this information at hand will help you diagnose problems and repair them faster if they do occur. Read on to learn more about common error codes for American Standard furnaces, what they mean, and how you can troubleshoot them at home.
Error Code 1 – No Communication
If you see an error code 1 on your thermostat or furnace, it means that there is a lack of communication between the thermostat and furnace. This could be a result of a faulty thermostat, faulty wiring, or a faulty furnace. If this is the case, you should call in a professional to diagnose the problem and repair it. Solutions for this include checking the wires for damage or corrosion, cleaning the connections, or replacing the thermostat. If you replace the thermostat, make sure you get one that’s compatible with your system. You can also check the manufacturer’s website to see if there are any software updates available for your system.
Error Code 2 – Electronic Failure
If the furnace detects an electronic failure, it will turn on the error code 2. This usually means that there is a problem with the sensors inside the furnace or the wiring connecting them. The sensors are designed to monitor the flame and the temperature inside the furnace. An electronic failure could indicate a problem with a sensor, a problem with the wiring, or a problem with the furnace itself. Check all of these areas to diagnose the cause of the problem. If the wiring is damaged or corroded, replace it to solve the problem. If the sensors are damaged, replace them. If the furnace is damaged, repair or replace it as necessary.
Error Code 3 – Flame Sensor Failure
A flame sensor failure turns on the error code 3. This means that the sensors inside the furnace are not receiving the signal they need from the flame. In many cases, this is caused by a clogged filter. If you clean the filter, this error should disappear. However, if the furnace is outside of its warranty period, you may need to replace the flame sensors. You can buy them at an appliance store.
Error Code 4 – Temperature Sensor Failure
The temperature sensor failure turns on the error code 4. This means that the furnace is not receiving a signal from the temperature sensor inside the furnace. This could be caused by a clogged filter, a broken sensor, or a broken wiring connection. If you clean the filter and the problem does not go away, replace the sensor. If you replace the sensor, make sure you get one that’s compatible with your furnace. If you replace the sensor and the error code 4 does not go away, check the wiring.
Error Code 5 – Electronic Control Failure
An electronic control failure turns on the error code 5. This usually means there is a problem with the control board inside the furnace. You may need to replace the control board to solve the problem.
Error Code 6 – Burner Orifice Malfunction
A burner orifice malfunction turns on the error code 6. This means that the orifices inside the furnace are blocked or clogged. To solve this problem, clean or replace the orifices. You can buy orifices at an appliance store.
Error Code 7 – Furnace Humidifier Bypass Malfunction
The furnace humidifier bypass malfunction turns on the error code 7. This means that the humidifier inside the furnace is not working properly. You may need to replace the humidifier to solve the problem.
Error Code 8 – Furnace Humidifier Fail-Safe Malfunction
The furnace humidifier fail-safe malfunction turns on the error code 8. This means that the humidifier inside the furnace is not working properly. You may need to replace the humidifier to solve the problem.
Error Code 9 – Electronic Air Change Device (EACD) Fail-Safe Malfrundence
The electronic air change device fail-safe malfunction turns on the error code 9. This means that the electronic air change device inside the furnace is not working properly. You may need to replace the air change device to solve the problem.
Final Words
These are some of the most common error codes associated with American Standard furnaces. If you see one of these error codes appear on your thermostat or furnace, it’s important to understand what it means and what you can do to troubleshoot the problem. Hopefully, this article will help you understand these error codes better and help you solve any problems that may occur.
