WHAT IF…
AUXILIARY HEAT indicator is
displayed…
The AUX HT indicator appears on the heat
pump version of the thermostat only. It is
displayed when your
system is operating on auxiliary heat.
NOTE: This indicator does not reflect a
problem with your system.
CLEAN FILTER indicator is displayed…
The clean FILTER indicator tells you when
to clean or replace your air filter. Press the
RESET FILTER button after cleaning or
replacing the filter to turn off the indicator
and reset the system.
NOTE: This indicator does not reflect a
problem with your system.
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