Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
When the snowflake is blinking the thermostat in in a delay mode designed to protect your compressor. If it does not stop blinking in 15min the stat is bad otherwise something is wrong with the AC
Posted on Sep 26, 2009
I have 2 identical units up and down. I have a Honeywell T8411R thermostat and Goodman heat pumps. The upstairs unit was low on refrigerant and was constantly freezing in the high heat and humidity of a NC summer. The blinking icon was telling me the unit had a fault and only the fan was running because the compressor was shut down. A few pounds of coolant fixed my problem. Check cooling tube coming out of the unit for ice, that means it is iced up all the way from inside the house to the outside. Also look inside your exchanger on the inside for ice.
Posted on Dec 27, 2009
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Posted on Jan 02, 2017
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