For 2 transformer systems, use common wire from cooling transformer. A Honeywell thermostat not reaching set temperature can occur for many reasons. Product Description. the cool on indicator is flashing. Sort by: Hence they become an obstruction. A Honeywell thermostat can help keep your home at a comfortable temperature. The initial programming of the Honeywell thermostat is required to match the type of heating cooling system you have in your house. My thermostat is set to cool, but my cooling system isn't running. This delay is to protect your equipment from short cycling. You should be able to see a series of colored … These products are manufactured by Resideo Technologies, Inc., and its affiliates. Good day, I had a T4 Pro installed. Why is my cooling not working? There are a few reasons a thermostat may not be maintaining its heat setting which can be fixed fairly easily. Such coverings do not allow the air to reach to the device properly.
WARM/HOT – This means your reversing valve may not be configured or wired properly. Look for dust or debris and clean the unit off using a soft cloth. T4 Pro Simple Programmable Comfort Control. The thermostat unit should not be placed in the corners or should not even have any kind of covering over it such as a cabinet, curtains, a photo frame or a closet. Y2 Not used for T4 thermostat. If the "cool on" or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. Why is my thermostat's Wi-Fi not working? Here, we discuss some of the reasons why this happens. For example, poor thermostat placement, to a broken heating / cooling system. Do I need one? K Connect to K on Wire Saver Module** U Not used for T4 thermostat.

Ask Your Own HVAC Question. Show More. The problem may not be your thermostat at all; without a trained technician on scene it might be hard to diagnose. Thermostat Not Level May Cause Honeywell Thermostat Not Cooling Down your House Problem. If your analog Honeywell thermostat is still not functioning correctly, try removing the door to the unit. The Honeywell Home trademark is used under license from Honeywell International, Inc. My Wi-Fi not is working on my smart home security or camera device And if I choose not to utilize batteries, does this create any issues for the function of the thermostat, other than as a backup in the event of a power failure. Continue to the Thermostat Wiring section. Honeywell makes a lot of different style thermostats, so it's hard to answer without more info. Poor leveling on older thermostats can affect how well it responds to room temperature changes.