15 69-0862—4
Too warm or too cool. • Press Run Program key to check the current
temperature setting.
• If desired, change the temperature setting. See
Programming Your Thermostat section.
System On indicator is lit, but no
heat is coming from the registers.
• Allow time for the furnace to heat up and the fan to
come on before checking for heat at the register.
Thermostat current temperature
setting does not match the display
temperature to within +/- 1°.
• Check that the wiring hole in the wall behind the
wallplate was plugged with insulation to prevent drafts
that could adversely affect thermostat operation.
• Be aware that it is normal for the current setting and
display temperature to differ occasionally.
• During recovery from setback or setup, setting and
display temperature can differ for up to 30 minutes
after the recovery period.
Incorrect temperature showing on
thermostat display.
• The thermostat is factory-calibrated and cannot be
adjusted.
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