(Here’s Why!)
- Possible Causes. Usually, the “Cool On” message on your digital thermostats should be stable. ...
- Video: Fix for Thermostat Cool On Flashing
- Honeywell Thermostat Cool On But Not Working. ...
- Low Batteries. ...
- Dirty Air Filter. ...
- Faulty Wiring. ...
- Bad Blower Motor. ...
- Related Questions. ...
- Summing It Up. ...
Why is my air conditioner light blinking?
A low refrigerant charge is the cause of inadequate cooling effect and the cause of air conditioner light blinking. For air conditioner remotes that feature a test button example, Samsung air conditioners, it helpful can be in determining aircon error code.
Why does my thermostat keep blinking cool on?
If your thermostat keeps blinking Cool On after you have diligently tried all that you can, you might be having a more complex technical issue. It could be based on excessive defrosting or even an open switch on the outside unit. It also could mean the blowers are not working effectively to move the cold air around.
What does “cool on” mean on a thermostat?
The “cool on” light is one of the operation modes that your thermostat controls. Similar to the “heat on” setting, “cool on” is just telling you that the thermostat is starting up to cool your home. You should be used to seeing your thermostat flashing “cool on” for short periods of time.
How to fix a blinking thermostat on an AC compressor?
A compressor restart within a short period: If you manually readjust the temperature just after the HVAC system reached the set temperature, this will force the compressor to restart. Switching of AC system from cooling to heating, or vice versa: Doing this will put a lot of pressure on the compressor and make your thermostat display blink.
Why does my air conditioner light blink?
If the system’s temperature drop is lower than 18 degrees for old systems, you might be facing a problem with the level of the refrigerant. A low refrigerant charge is the cause of inadequate cooling effect and the cause of air conditioner light blinking.
Why does my air conditioner shut off after a while?
For homes located in areas with high temperatures and humidity, an air conditioner is almost like a basic need. As such, it can be quite a nightmare when an air conditioner light blinking malfunction sets in , for more than likely, the air conditioner also shuts off after a while .
Why does my air conditioner blink?
Check the level of cooling that is provided by your aircon, as it might be the cause of the blinking. If the temperature drop of your air conditioner is less than 18 degrees for an old system, you will face a problem with refrigerant level. A low refrigerant charge will lead to inadequate cooling as well as light blinking of the air conditioner.
What happens if you don't know how to connect an air conditioner?
Interfering with the components and wires inside the unit when you do not know how to make the connections will lead to further damage. If you continue to use an air conditioner with this warning, it can lead to serious complications. A professional should do complex air conditioner repairs.
How long does it take for an AC to turn on?
First, when the light of your air conditioner starts to blink, switch off the circuit breaker , it is found below the alternating current (AC) unit and switch it on after about five minutes. If there are no loose connections, the aircon should continue to operate normally without the blinking.
Do air conditioners shut off after a breakdown?
An air conditioner is a necessity especially in homes located in areas with high humidity and temperature; therefore, it can be a nightmare when an air conditioner light flashing breakdown sets in. More than likely, the air conditioner will shut off after some time.
Is it time to invest in an upgrade?
Did you know that smart thermostats are able to help you save on your energy bills?
In summary
We hope you’ve now been able to sort your issue of why the “cool on” light is flashing on your Honeywell thermostat! You should now know what this light means exactly, and how you can fix it if it’s been flashing for longer than 5 minutes. Hopefully you’ll save money and get it running again in no time at all!
Why does my thermostat keep blinking?
If your thermostat keeps blinking during the normal operation of your AC, that usually means there’s an issue with the outdoor portion of the system. It’s basically been locked out, meaning that it has shut itself down and sent a signal to the thermostat letting it know there’s an issue.
How long does it take for a thermostat to flash?
Here’s what to do if this happens: Count the number of flashes you see. It should be anywhere from two to nine. Turn the thermostat off, wait 30 seconds, and turn it back on.
How to reset a thermostat?
Most programmable thermostats will flash a code when a problem takes place. Here’s what to do if this happens: 1 Count the number of flashes you see. It should be anywhere from two to nine. 2 Turn the thermostat off, wait 30 seconds, and turn it back on. While this may restart your system automatically, there is a chance that it could take up to 10 minutes. 3 Wait 10 minutes and see if the outdoor unit has started running again. 4 If it hasn’t, and there’s no obvious reason (like a tripped circuit breaker), you should call a professional.
Why are programmable thermostats so good?
Today’s programmable thermostats are great, because not only do they help cooling systems run more efficiently, they can also warn you if there’s a problem. Let’s take a closer look at why this blinking problem occurs and what you can do about it.
