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LED Indicators
Two light emitting diode (LED) indicators are located on the upper
right side of the thermostat. The LED indicators are clear until
lighted. When the right filter expiration LED indicator lights
(green), see the Filter Indication section; when the heat pump
check LED indicator lights (red), see the Troubleshooting section.
The Check LED indicates a failure detected with
the heat pump. Switch the thermostat to Em. Ht.
and contact your heat pump service company for
assistance. Heating with Em.Ht. may be more
HEAT PUMP
expensive so act quickly.
The LED indicators light on all thermostats.
ZONING
Remote OverrideTemperature Indicator
The thermostat can communicate with a variety of system
controllers. If the temperature was overridden remotely, a ( ) is
displayed and "Temporary" flashes.
CHECK
(RED) LED
Mon
25
FILTER
(GREEN) LED
Temporary
AM
Fan
Heat
69-1332—3
M13375
System
Heat
Auto
M17763
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