Quick Installation Guide
RTH2510/RTH2410
27 69-2726ES—01
Troubleshooting
SETUP WIRING ASSISTANCE TROUBLESHOOTING
Customer assistance
For assistance with this product, please visit
http://yourhome.honeywell.com or call Honeywell
Customer Care toll-free at 1-800-468-1502.
Temperature
settings do not
change
Make sure heating and cooling
temperatures are set to acceptable
ranges:
• Heat:40°to90°F(4.5°to32°C).
• Cool:50°to99°F(10°to37°C).
“Cool On” or
“Heat On” is
flashing
• Compressor protection feature is
engaged. Wait 5 minutes for the
system to restart safely, without
damage to the compressor.
“Heat On” is
not displayed
• Set the System switch to Heat, and
set the temperature level above the
current room temperature.
“Cool On” is
not displayed
• Set the System switch to Cool, and
set the temperature level below the
current room temperature.