Consumer Knowledge

Does the thermostat show any of the following icons or messages. And then the flashing cool on comes back on.

Honeywell Thermostat Flashing Cool On What Are The Possiblities

It is a safety measure built into the system.

Honeywell thermostat cool on flashing. Go to your thermostat. Thermostat is set to 71 temp is at 77. The cool on heat on snowflake or flame icon will be blinking if this is the case.

This delay is to protect your equipment from short cycling. When the battery is low the switch may not work properly for turning the device on. It is also possible that it may not read the temperature correctly or properly.

This is often shown by cool on heat on or an illustration. But Honeywell thermostats are designed with state-of-the-art climate-control functions so the average homeowner may not completely understand how everything works. Then you can reset the thermostat and use it just like before.

The thermostat conditions the indoor climate the AC the heat pump or the furnace to generate the desired temperature. Its difficult to provide troubleshooting advice for a Honeywell thermostat without knowing the specific model number. Troubleshooting a faulty Honeywell thermostat.

Wait 3 to 5 minutes until the flashing stops and the icons or messages become solid. To start make sure your thermostat is set to cool or heat Then make sure its signaling the appropriate unit to start. When your digital Honeywell Thermostat is flashing Cool On it indicates an error with the AC unit.

Honeywell thermostat flashing cool on. The common honeywell thermostat problems is caused by the door on the furnace which not fully shut. If the cool on or the snowflake icon is flashing the thermostat is in delay mode which can take up to 5 minutes.

The problem can often be solved by checking a few key areas. Honeywell thermostat flashing cool on is probably caused by the cooling delay system. Honeywell Thermostat Flashing Cool On The electronic thermostats are basically auto switch that turns the AC unit on and also off within a certain temperature.

Its to protect your compressor from being damaged giving it around 5 minutes to cycle its elements. Maybe you see the screen blinking even before you touch it. Thermostat is set to 70.

Most Honeywell thermostats blink when in a time delay for the cooling or heating if its a heat pump this time delay feature protects the compressor form cranking too soon following a short off cycle or a power outage. The thermostat does that to make sure that the heat pump and compressor have time to adjust with the cooling setting. Any malfunction triggers the AC to shut itself down and send a signal to the thermostat.

This hold is to save your equipment from short cycling. The cool on may flash but leave the thermostat alone for 5-10 minutes and see if the flashing stops and the system comes on. Room Thermostat A simple room thermostat that allows the setting of temperature for that room which is connected to the main system to control heating and cooling.

Its mission is to turn your AC on and off at certain temperatures. Electronic Thermostats Honeywell Thermostat Cool On Flashing and Battery Check An electronic thermostat basically runs on an automatic switch. Check the thermostat is set to heat and see if the Heat On button is blinking.

If the light is blinking steady this indicates a safety timer has been tripped to protect your compressor Heat Pump. Most Honeywell thermostat has feature called cooling delay and this one is to postpone the cooling air from oozing out for several minutes. If your Honeywell thermostat is flashing Cool On for a short period it doesnt mean there is anything wrong.

So what you have to do is shutting the door of the furnace correctly to get the power to the thermostat back. You may want to install a fresh set of batteries if they havent been changed in a while. The system comes on but short cycles.

Honeywell thermostat cool on blinking flashing The Honeywell thermostat cool on or the snowflake is blinking That indicates the thermostat is in delay mode and it can hold up to 5 minutes. Check the thermostats display to confirm that theres a call for cooling usually indicated by the words cool on or a snowflake icon. This can also happen if power loss occurs.

Most Honeywell thermostats blink when in a time delay for the cooling or heating if its a heat pump this time delay feature protects the compressor form cranking too soon following a short off cycle or a power outage. Maybe when you go to adjust the temperature youll press a button by mistake and trigger an unfamiliar message or signal. Wait flashing Waiting for System flashing Cool On flashing Snowflake Icon flashing Snowflake Icon with Cooling will Begin message YES Good this is normal.

If this set of words or the icon is flashing your thermostat is in a five-minute delay status. The cool on heat on snowflake or flame icon will be blinking if this is the case. AC is not blowing cold air.

It can also be compressor lockout relay so turn off the system to reset and start again. Now reinstall the batteries and turn the switch back to cool and lower the desired temp below the indoor temp.