Furnaces are one of the most important equipment of our daily life. But there are many mechanisms involved when it comes to using a furnace.
People are sometimes by the blinking red light of furnaces. Today, we are going to discuss about what the blinking red light of American standard furnace means and how to fix it.
American standard furnace blinking red light
The red light of american standard furnace can start blinking because of technical reasons. Faulty pressure switch, faulty limit switch, faulty gas valve, faulty thermostat, and faulty igniter can make the red light of an american standard furnace blink unnaturally.
There are many variations and versions of American standard furnace available. Let’s look at some of them and find out why the red light of those furnaces might blink.
American standard gas furnace:
Let’s discuss about some of the reasons why the American standard gas furnace’s red light blinks.
Problem with wiring:
Sometimes the wiring of your american standard furnace can become loose. When this happens, the red light of the American standard furnace will start blinking.
This is a clear indication that you should get your wire connections checked by a professional electrician.
Problem with thermostat:
The thermostat of your American standard furnace can also become faulty due to a number of reasons.
The red light of the american standard furnace will start blinking when the thermostat goes bad. The thermostat will have to be repaired or replaced to stop the blinking.
American standard freedom 80 furnace:
There are many valid reasons why the red light of an american standard freedom 80 furnace might start blinking. Let’s discuss in detail about them.
Due to clogged filters:
There are several filters in an american standard freedom 80 furnace. If any of the filters becomes clogged, then the red light of the American standard freedom 80 furnace will start blinking as a result.
It would be wise to get the filters checked by a professional.
Problem with burners:
The burners of your american standard freedom 80 furnace can become bad as well. The red light of the furnace will start blinking to let you know about the dire situation of the american standard freedom 80 furnace’s burners.
Problem with combustion chambers:
If the combustion chamber of your american standard freedom 80 furnace becomes faulty, then the furnace will not be able to perform its functions properly.
The american standard freedom 80 furnace’s red light will start blinking in case of an incompetent combustion chamber.
American standard freedom 90 furnace:
Let’s talk about some of the reasons why an american standard freedom 90 furnace’s red might start blinking.
Problem with igniter:
The igniter is an important part of the american standard freedom 90 furnace. But it may not be able to ignite the gas in your furnace for a number of reasons.
The red light of the american standard freedom 90 furnace will begin blinking to give you the signal about replacing or repairing the igniter.
Faulty pressure switches:
The pressure switches of the American standard freedom 90 furnace plays an important in its functions.
However, the pressure switches can become faulty in many cases. Your american standard freedom 90 furnace’s red light will start blinking when this happens.
Problem with circuit board:
Another possible cause of blinking red light in an American standard freedom 90 furnace is faulty circuit board. So the event of blinking red light will have to be taken seriously and an professional electrician will have to be contacted immediately.
American standard silver series furnace:
Let’s discuss in detail about the reasons why the red light of an american standard silver series furnace might start blinking.
Faulty gas valve:
The gas valve of your american standard silver series furnace can become faulty. The red light of the furnace will keep blinking if the gas valve goes bad. This would be a good opportunity to contact a furnace expert and seek his help on this matter.
Problem with heat sensors:
Heat sensors play a crucial part in the overall functions of an american silver series furnace.
If the heat sensors go bad, then the red light of the furnace might start blinking as a result. The heat sensors will have to be replaced or repaired in that case.
What does blinking red light on American standard furnace mean?
The red light of an american standard furnace does not blink the same amount of times every time. Let’s discuss in detail about what these different blinking times indicate.
2 times:
The red light of your american standard furnace will blink two times if a problem lies in the flame of your furnace. The flame of the furnace can become weak when there is a flow of cold air in the furnace.
3 times:
The american standard furnace’s red light will start blinking three times when the pressure switch becomes faulty. The pressure will need to be looked at if the red light keeps blinking three times.
4 times:
If the limit switch of your american standard furnace goes bad, then red light will start blinking four times continuously. It would be a good time to check the limit switch and repair or replace it.
6 times:
When the polarity of the american standard furnace gets messed up, the red light starts blinking six times. It is not natural for the red light to blink six times without any cause.
7 times:
If the gas valve of the american standard furnace becomes faulty, then the red light will keep blinking seven times without a break. The gas valve of the furnace will need to be replaced or repaired at that moment to solve the blinking issue.
What are the codes on American Standard furnace?
Manufactures of american standard furnace provide many error codes in their user manual. The user manual is helpful if you cannot figure out the cause of blinking red light in your american standard furnace.
The list of reasons why an american standard furnace’s red light might start blinking includes cold air (blinks two times), faulty pressure switch (blinks three times), faulty limit switch (blinks four times), polarity issue (blinks six times), faulty gas valve (blinks seven times), faulty igniter (blinks nine times), and faulty flame (blinks twenty-two times).
The important thing to remember here is that the red light of american standard furnace does not blink the same number of times for each cause.
How do you fix a blinking American standard furnace?
Fixing a blinking American standard furnace might seem like a difficult task. However, there are some steps and methods you can follow to accomplish the task. Let’s discuss in detail about some of them.
Fix the loose wire connections:
First of all, you can get the wire connections of your american standard furnace checked by an electrician. Loose wire connections is often the cause behind a blinking red light in the american standard furnace.
Fixing the loose connections will automatically fix the problem of blinking red light.
Check the igniter:
A faulty igniter can make the red light of an american standard furnace blink. It would be wise to get the igniter replaced or repaired to address the issue of blinking red light. The american standard furnace cannot function without a capable igniter.
Replace the gas valve:
Many of the times, the blinking of red light in an american standard furnace is caused by a faulty gas valve.
The gas valve will need to be replaced to stop the red light from blinking. The gas valve controls the flow of gas inside the furnace and is a crucial part of the puzzle.
Repair the limit switch:
The limit switch of the american standard furnace will have to be repaired in case of a blinking red light. Fixing the limit switch has more often than not stopped the red light of an american standard furnace from blinking.
Repair the pressure switch:
The pressure switch is an integral part of the american standard furnace. An american standard furnace fails to perform most of its function accurately without a good pressure switch.
The pressure will have to be repaired or replaced to stop the blinking of red light.
Replace the thermostat:
One of the major reasons of blinking red light in an american standard furnace is a faulty thermostat.
The bad thermostat must be replaced immediately to address the issue of blinking red light. Moreover, an american standard furnace requires a fully functional thermostat.
Fix the circuit board:
Fixing the circuit board of the heating system can often solve the problem of blinking red light in an american standard furnace.
Final Thoughts
The blinking red light in an american standard furnace should not be taken lightly. It can indicate a number of things including a faulty gas valve, a faulty igniter, loose wire connections, and a faulty thermostat among many other things. These faulty parts will have to be repaired or replaced.