For help with your thermostat issue, check the troubleshooting section in the product manual you received with your purchase. You can access a digital copy of your product manual HERE using the thermostat's model number.
We also have videos on how to program many Hunter thermostats.
How to Program a Hunter Five Minute Thermostat
How to Program a Hunter Set and Save Thermostat
If you're unable to resolve the issue by troubleshooting, contact Hunter Home Comfort by visiting www.HunterHomeComfort.com or call 1-888-880-3267. Be sure to have your model number and receipt handy!
You can view and purchase a new, programmable thermostat by visiting Hunter Home Comfort online.