69-2715ES—01 62
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andcoolingsystemison.
•Makesurefur nacedoorisclosedsecurely.
•MakesureC wireisconnected(seepage15).
Cannot change
system setting
to Cool
•CheckFunction 0170: System Type to make sure it is set to match your
heating and cooling equipment (see page 54).
Fan does
not turn on
when heat is
required
•CheckFunction 0180: Heating Fan Control to make sure it is set to
match your heating equipment (see page 55).
“Wait” appears
on the screen
•Compressorprotection featureisengaged.Wait5minutesforthesystem
to restart safely, without damage to the compressor.
Troubleshooting