How do I fix a blank display on my RTH6350/RTH6450 thermostat?

Last updated

The RTH6350/RTH6450 is battery powered only, there is no C wire option on the RTH230. Check and replace the batteries. If the unit does not power up, replace it.

CONTACT US

Message Resideo

MESSAGE US

Message us on Twitter for help with our products.

Monday through Friday:
9am to 6pm CDT
Saturday and Sunday:
9am to 5pm CDT

Live Chat with Resideo

CHAT US

Connect with an agent for quick assistance.

Monday through Friday:
9am to 8pm CDT
Saturday and Sunday
9am to 5pm CDT

Call Resideo

CALL US

Speak directly with an agent for help with our products.