To reset your Honeywell Pro Series thermostat, you can follow these steps: 1. Press the "System" button on your thermostat. 2. Press and hold the blank box in the center of the thermostat display. 3. Change the number on the left side of the display to "0165" using the arrow buttons.. Troubleshooting Common Honeywell Pro Series Thermostat Issues. Even after resetting your thermostat, you might encounter persistent issues.Here are some common problems and their solutions:. Inaccurate Temperature Readings: If your thermostat is consistently displaying an inaccurate temperature, check the following: Location: Ensure your thermostat is mounted in a central location away from.
![Honeywell Pro Series Thermostat Fan Won'T Turn Off [Solved]](https://smartacsolutions.com/wp-content/uploads/2023/10/How-Do-I-Reset-My-Honeywell-Pro-Series-Thermostat-1024x587.jpg "Honeywell Pro Series Thermostat Fan Won'T Turn Off [Solved]")
Turning it back on should reset the thermostat. Reset Honeywell 1000 Series Thermostat. The Pro-1000 series is a simple non-programmable thermostat with quick operation. This reset method should work with the RTHL111. 1. Set the Honeywell RTHL111 thermostat to 'OFF.' 2. Make sure the circuit breaker is turned off. 3.. Before you reset the Honeywell thermostat, you have to unlock it first. Reset to Factory Default Settings. To reset the Honeywell T5+ / T5 / T6 Pro Series Thermostats to factory default settings, you should follow these steps: Check whether the device is on (it should be on). Press the menu button and hold it for 5 seconds.