
RTH111
19 69-2732ES—02
Troubleshooting
SETUP WIRING ASSISTANCE TROUBLESHOOTING
If you have difficulty with your thermostat, please try
the following suggestions. Most problems can be cor-
rected quickly and easily.
Display is
blank
• Makesurefurnacedoorisclosed
securely.
• MakesurefreshAAAalkaline
batteries are correctly installed
(see page 7).
Heating or
cooling system
does not
respond
• SetSystemswitchtoHeat. Make
sure the temperature is set higher
than the Inside temperature.
• SetSystemswitchtoCool. Make
sure the temperature is set lower
than the Inside temperature.
• Checkcircuitbreakerandresetif
necessary.
• Makesureheating&coolingpower
switches are on.
• Makesurefurnacedoorissecurely
closed.
• Wait5minutesforthesystemto
respond.
69-2732ES_A.indd 19 4/19/2012 8:33:45 AM
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