
Remove the batteries- you can insert a coin (into the slot) to help you push the battery door open.Many older mechanical battery-operated Honeywell thermostats can be reset as outlined below: How to reset a Honeywell thermostat without batteries How to reset Honeywell thermostat old model You have now successfully completed a factory reset for the thermostat. Once there, scroll down to Restore Factory settings.That’s it! Honeywell Wi-Fi Smart thermostat Once there, select OK then Yes and Okay.Once you’re there, scroll down to Factory Reset.Press and hold the Weather Button down for 5-10 seconds until the Menu Button comes up.Voila! Your Honeywell T5 thermostat is now reset. Arrow over – use the arrow to move the options forward/backward- until you find the “Reset”.How to reset air conditioner thermostat – step by step How to reset air conditioner thermostat Honeywellįollow these steps to reset a Honeywell digital thermostat (various models) to its original factory settings: Honeywell Lyric T5 thermostat That said, this guide will show how to reset most of the commonest thermostat types and models. Now, the exact steps to follow will depend on your thermostat model so your owner’s manual could be helpful here. Learn how to reset air conditioner thermostat in this guide– resetting your t-stat could help you resolve myriad issues including programming errors, connection problems, and more.

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