Honeywell RTH3100C - Appendices; In Case of Difficulty

RTH3100C
19
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank
• Checkcircuitbreakerandresetifnecessary.
• Makesurepowerswitchatheating&coolingsystemison.
• Makesurefurnacedoorisclosedsecurely.
• MakesurefreshAAalkalinebatteriesarecorrectlyinstalled
(seepage13).
Heating or
cooling system
does not respond
• SetsystemswitchtoHeat. Make sure the temperature is set higher
than the Inside temperature.
• SetsystemswitchtoCool. Make sure the temperature is set lower than
the Inside temperature.
• Checkcircuitbreakerandresetifnecessary.
• Makesureheating&coolingpowerswitchesareon.
• Makesurefurnacedoorissecurelyclosed.
• Wait5minutesforthesystemtorespond.
In case of difficulty
69-1891ES-1-RTH3100C-IG.CS5.indd 19 5/17/2011 11:21:10 AM