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21 69-2475EFS—03
EConnect™ TL9160AR
In case of difficulty / Error codes
Heating system does not respond • Check circuit breaker and reset if necessary
“Signal Lost” appears on the
screen
• The thermostat has lost communication with the
wireless network (usually due to power outage).
Otherwise, check circuit breaker and reset if necessary.
When power is restored, the wireless communication
will be restored within a few minutes.
The thermostat displays “LO” • The indoor temperature is below 32°F (0°C).
The thermostat displays “HI” • The indoor temperature is above 140°F (60°C).
The thermostat displays “- -” • The temperature reading is currently unavailable or the
sensor is defective.
ELECTRICAL HAZARD
The servicing or rewiring of any equipment interface module (EIM) linked to this
thermostat must be done by a certied electrician.