Honeywell thermostat display has flashing snowflake /ac not working

Hello, the snowflake flashing is a (supposed to be) 5 minute delay to prevent short cycling of the compressor. This delay can sometimes get stuck thus requiring replacement. To test , remove top of thermostat to where you can identify wires and terminals. Have someone stand near the ac unit for this test, and then take a wire or paperclip and briefly touch Rc to Y. This should start the outdoor unit. R to G will start the indoor fan

The snowflake means it's cooling. If the outdoor unit is not running then the problem is likely outside.

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The flashing snowflake means it is in the cooling mode, but is waiting for itself to 'time out' after a call for cooling. It should be about a 5 minute delay then should come on automatically. At that poing, the flashing snowflake becomes steady.

Try it one more time and set the timer on your smart-phone to ten minutes before you touch it again. If that time elapses and no cooling and it is still flashing there's possibly a problem in the thermostat that will necissitate replacement.

I recommend you go to Honeywell site and type in your thermostat model etc. It will give you step by step procedures and may provide the answers you are seeking.

a flashing snowflake indicates a time delay in cooling and a flashing flame indicates heat delay and both are normal

flashing snowflake normally means it is in a time delay. give it five minutes and see if it continues.

That is a Time delay normal to keep the condensing unit from turning of and on to fast really save the life of the equipment

The 2nd combination is correct (w/ jumper). Wire nut or tape the blue wire. The snow flake shows it's going into cooling mode after a 5 min delay. If the AC is not coming on then the problem may not be the thermostat. If you don't have 24VAC between the red wire and the blue one the problem is at the furnace or it's supply. If you do, then check for 24VAC between the blue wire and Y on the thermostat(after the 5min delay) - if it's there the thermostat is calling for cooling. To check the heat, switch the thermostat to heat mode and use the W(instead of Y) on the thermostat(after the flame stops flashing).

i saw that my snowflake was blinking while the unit was in the 5 minute lock out state (after power up), but went to steady after that.

Your snowflake should flash for about five minutes, that is the time delay built into the thermostat. It should stop after that and your system should begin to function.