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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
•Checkcircuitbreaker andresetifnecessary.
•Makesurepowerswitchat heatingandcoolingsystemison.
•Makesurefur nacedoorisclosedsecurely.
•MakesureC wireisconnected(seepage15).
Cannot change
system setting
to Cool
•CheckFunction 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
•CheckFunction 0180: Heating Fan Control to make sure it is set to
match your heating equipment (see page 55).
“Wait” appears
on the screen
•Compressorprotection featureisengaged.Wait5minutesforthesystem
to restart safely, without damage to the compressor.
Troubleshooting