What does cool on flashing mean on thermostat

Honeywell thermostats are one of the most popular thermostat models in the market today.

Air conditioners have one job—to give you cool air so you can stay comfortable. Sometimes, the thermostat can act up, too. But remember that the best solution is to call an AC professional who can do the job effectively. This operation mode means your AC is starting to do its job. It also protects the compressor and prevents the unit from short cycling. The flashing is usually nothing to worry about unless it keeps going after several minutes. There could also be technical issues with the thermostat or the AC unit.

What does cool on flashing mean on thermostat

This occurs during peak demand hours. Is it time to upgrade your thermostat? Use our thermostat upgrade guide to help you make the right choice for your needs. Skip to main content. Our Accessibility Statement. Last updated. If these icons are flashing, the thermostat is in delay mode, which can last up to 5 minutes. This delay protects your equipment from short cycling. Make sure the furnace circuit breaker switches are on. Remove your thermostat faceplate. Verify these wires are firmly connected to the correct terminals.

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Each thermostat model has a different display message when a delay occurs. This delay can be up to five minutes under normal operating conditions. A delay is used to protect your heating and cooling equipment from coming on too quickly known as short cycling , which can cause damage. The thermostat has a built-in compressor protection minimum off timer that prevents the compressor from restarting too early after a shutdown. The minimum off timer is activated after the compressor turns off. The thermostat keeps the compressor off for a few minutes before restarting, to prevent equipment damage. If the delay lasts longer than five minutes, there may be an issue with the voltage to the thermostat.

Sure, you could ignore it. Stick around. However, if the blinking continues for an extended period, it could indicate a problem with your thermostat or your cooling system. Delay due to built-in compressor protection : Many thermostats have a built-in delay to protect the compressor. If the delay is active, the light will blink until the system is ready to cool again. If the batteries are weak, replacing them might resolve the issue. Dirty or frozen evaporator coil : Examine the indoor AC unit for a dirty or frozen coil. If this is the issue, turn off your system and let the coil thaw.

What does cool on flashing mean on thermostat

Each thermostat model has a different display message when a delay occurs. This delay can be up to five minutes under normal operating conditions. A delay is used to protect your heating and cooling equipment from coming on too quickly known as short cycling , which can cause damage. The thermostat has a built-in compressor protection minimum off timer that prevents the compressor from restarting too early after a shutdown. The minimum off timer is activated after the compressor turns off. The thermostat keeps the compressor off for a few minutes before restarting, to prevent equipment damage. If the delay lasts longer than five minutes, there may be an issue with the voltage to the thermostat. A professional contractor could verify that the voltage is within an acceptable range and that there are not shorted wires.

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Or it could be having trouble sending the correct signals to the AC system. A trained technician will be able to find out the real cause by checking various things such as wire connections, thermostat voltage, etc, and help you with a fix. You should also clean off any dirt or debris on the fins in your system. It can be frustrating when you have just turned the AC on, but it switches off after a few seconds. InterCounty Supply Inc. Do you want to make sure your AC unit doesn't go out in the dog-days of summer? If the cooling still doesn't come on, but has worked in the past, call a professional HVAC contractor to assist you. If these icons flash, it means that the thermostat is in delay mode, which can last up to 5 minutes. Speak directly with an agent for help with our products. Thermostats have sensors that read the temperature in your home. It is normal for the thermostat to adjust the room temperature to your desired degrees. Those are possible signs of a system issue. Examine AC coils Dirty air conditioning coils can also lead to a Honeywell thermostat blinking cool on. Modern digital thermostats are more efficient than older models and can maintain your desired temperature at home. Thanks for your feedback!

Air conditioners have one job—to give you cool air so you can stay comfortable. Sometimes, the thermostat can act up, too.

Sometimes, the thermostat can act up, too. Thank you for contacting us. So that was all for how to fix the Honeywell thermostat cool on blinking error. The flashing is usually nothing to worry about unless it keeps going after several minutes. If these icons are flashing, the thermostat is in delay mode, which can last up to 5 minutes. Each thermostat model has a different display message when a delay occurs. Apart from dirty air filters, the issue could also occur because of dirty AC coils. So before you reset, make sure to take note of the settings. It can restrict airflow and hamper the entire cooling process. The thermostat keeps the compressor off for a few minutes before restarting, to prevent equipment damage. The thermostat might be to blame if your AC is always turning on and off.