Honeywell RCT8100 Quick Installation Guide
![Honeywell RCT8100 Thermostat manual cover](/images/kxehAckmGLJktDaKjJCGzekR/thumbs/thumb175x175.webp)
To set up Wi-Fi on your Honeywell RCT8100, press the 'Menu' button, navigate to 'Wi-Fi Setup', and follow the on-screen instructions to connect to your network.
Ensure the thermostat is properly connected to a power source and that the circuit breaker is not tripped. If it still does not turn on, check the batteries and replace them if necessary.
To reset the RCT8100 to factory settings, press and hold the 'Fan' and 'Up' arrow buttons simultaneously for 5 seconds. Follow the prompts to complete the reset process.
Check if the thermostat is set to the correct mode and temperature. Ensure the air filter is clean and the HVAC system is functioning properly. If issues persist, consult a professional.
It is recommended to replace the batteries once a year or when the low battery indicator appears on the display.
Yes, you can control the RCT8100 remotely using the Honeywell Total Connect Comfort app, available for both iOS and Android devices.
Press 'Menu', select 'Schedule', and follow the prompts to set your desired time and temperature settings for different periods of the day.
These messages indicate that your thermostat is in the process of cooling or heating your home to reach the set temperature.
A blank display could be due to dead batteries or a power interruption. Replace the batteries or check the power supply to resolve the issue.
To lock the settings, navigate to the 'Menu', select 'Security Settings', and choose your desired lock mode to prevent unauthorized changes.