Your Nest Thermostat was set up as a dual fuel system, but theW1,W2/AUXand (W3) wires are configured as alternate heat wires. If you see the Honeywell thermostat not reaching set temperature when cooling, check that your compressors are working. For the more old school among you, setting a schedule is a good option. If you live in an area that is uncomfortably humid, you can use your Nest to keep your home's air drier with its Cool to Dry setting. You can tell your Nest Thermostat exactly when it should turn on and at what temperature it should cool your house to. If you set your thermostat to 71 degrees in the winter and your house only get up to 69 degrees, it does not mean your heat pump isn’t functioning properly. On the Nest app: Tap on the Thermostat circle > Tap on the Schedule tab at the bottom of the display > Tap once on the day you want to change a temperature or time in … Verify that the thermostat is switched to cool mode and has a cooling set point below the room temperature reading. 2. Our A/C condenser outside is running but is not cooling properly. Check the thermostat's display to confirm that there's a call for cooling, usually indicated by the words "cool on" or a snowflake icon. 1st, 2nd and 3rd gen Nest Learning Thermostat: Press the ring and choose Schedule . E36, E86 A heat pump can have at most one auxiliary heat wire. The inside temperature has been at 81-84 degrees the last 3 days. There are reasons why your heat pump does not reach temperature set on your thermostat. Create or adjust temperature set points to your liking. Check all the stages in the cooling system, as some have more than one. On your thermostat: Go to the schedule screen on your thermostat. The nest will delay for a few minutes so that it can charge and will keep delaying. For multi stage cooling, stage one should come on first. This problem/situation is extremely common and it generates many service calls. For the winter: Invert this process, which means the bottom floor should be your set temperature and the floor above it should be two degrees cooler. If that's not the case, then try the following steps: 1. As soon as room temperature rises above the set point by half a degree or so, you should hear it. Your Nest Thermostat was set up as a single fuel system with auxiliary heat, but it’s detectingW1,W2/AUXand (W3) wires. While the Nest will learn your habits over time, many people prefer to have mostly-full control over the temperature of their living space. To check if the nest is charging you need to go to the nest setting, technical info, power and see the vin. 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