What does cool on flashing mean on thermostat

Honeywell thermostats are one of the most popular thermostat models in the market today. However, some users reported that their Honeywell thermostat keeps on blinking, and they are not able to set the desired temperature. If the same Honeywell thermostat cool on blinking issue is occurring with you as well, and you are looking for a quick fix, then I am here to help you out.

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.

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. If the cooling still doesn't come on, but has worked in the past, call a professional HVAC contractor to assist you. If there are no separate wires to R and Rc, these terminals must be connected. On some thermostats, this connection is made by a jumper wire connection; on other models this connection is made by a slider switch that has 1-wire and 2-wire settings.

Reset the thermostat When all else has failed, try resetting your thermostat. In this article, we will explain the possible reasons for a Honeywell….

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.

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. A dirty coil can be cleaned with a soft brush or a mixture of warm water and mild detergent. Tripped circuit breaker or blown fuse : Inspect the circuit breaker or fuse for your cooling system.

What does cool on flashing mean on thermostat

Honeywell thermostats are among the best on the market because of their user-friendly display and reliability. Luckily, each of these problems has a quick solution ranging from waiting 5 minutes to replacing your AC filter. But when it flashes, it means the air-conditioner is engaged, or there is a technical malfunction. Simply wait 5 minutes and adjust your thermostat to see if it starts to work again. Contact an HVAC professional if the message still appears on your Honeywell thermostat after waiting 5 minutes. Thermostat batteries last for an average of 10 months , so it is easy to tell when dead batteries are the culprit. Sometimes, a Honeywell thermostat can bounce back after a power outage without requiring a reset. Power surges and power outages can disrupt your HVAC system unless you reset it in most cases. Luckily, the solutions for each of these problems are largely the same.

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View additional cooling troubleshooting topics here. If the cooling still doesn't come on, but has worked in the past, call a professional HVAC contractor to assist you. They will come to your home as soon as possible, assess the situation and provide the best solution. ICS will also handle all the paperwork for any rebates that are applicable. It can restrict airflow and hamper the entire cooling process. If the measurements are way off, it is time to replace your thermostat. Contact ABC to have a service specialist come out and make sure your AC unit is healthy enough to keep you cool. However, some users reported that their Honeywell thermostat keeps on blinking, and they are not able to set the desired temperature. Reset the thermostat When all else has failed, try resetting your thermostat. Online chat Offline chat. Thanks for your feedback! Powered by Zamerat Digital Marketing. Just like all machines and devices out there, sometimes a simple reset can do the trick.

If the Honeywell thermostat flashing Cool On or Heat On message, and the system is not getting to the set temperature, you obviously have a problem.

You can switch the power on and off, which might help. Next Continue. We even provide preventative AC maintenance so we can catch potential problems early. Previous Previous. When all else has failed, try resetting your thermostat. It is time to replace the thermostat because short cycling makes the AC work harder than necessary and shortens its lifespan. It will save you money in the long run. You must be logged in to post a comment. Is it time to upgrade your thermostat? What does it mean? AC systems are high-wattage, and the indoor and outdoor components can trip the circuit breaker.