Installation Instructions

61 69-2718EF—01
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is
blank
p #HECKCIRCUITBREAKERANDRESETIFNECESSARY
p -AKESUREPOWERSWITCHATHEATINGANDCOOLINGSYSTEMISON
p -AKESUREFURNACEDOORISCLOSEDSECURELY
p -AKESURE#WIREISCONNECTEDSEEPAGE
Cannot change
system setting
to Cool
p #HECKFunction 1: System Type to make sure it is set to match your heating
and cooling equipment (see page 50).
Fan does
not turn on
when heat is
required
p #HECKFunction 3: Heating Fan Control to make sure it is set to match your
heating equipment (see page 51).
Cool On or Heat
On is flashing
on the screen
p #OMPRESSORPROTECTIONFEATUREISENGAGED7AITMINUTESFORTHESYSTEMTO
restart safely, without damage to the compressor.
Troubleshooting