Use and Care Manual

16
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions. Most
problems can be corrected quickly and easily.
Display is blank • Check circuit breaker and reset if necessary.
• Make sure power switch for heating & cooling system is on.
• Make sure furnace door is closed securely.
• Make sure the C wire is connected.
Heating or
cooling system
does not
respond
• Press Menu > System Mode > Heat > Done to set the system
to Heat mode. Make sure the desired temperature is higher
than the indoor temperature.
• Press Menu > System Mode > Cool > Done to set the system
to Cool mode. Make sure the desired temperature is lower
than the indoor temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch for heating & cooling system is on.
• Make sure furnace door is closed securely.
• Wait 5 minutes for the system to respond.
Temperature
settings do not
change
Make sure desired temperature is within acceptable ranges:
• Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C)
• Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C)
Aux heat runs in
cooling
• For heat pump systems, verify there is not a wire attached to
W on the UWP.
Cool runs with a
call for heat
• For heat pump systems, verify there is not a wire attached to
W the UWP.
Sensor will not
connect
• Press and hold Connect on the wireless sensor for 15
seconds. The LED will turn Amber. Return to the thermostat
menu and press Menu > Devices and Sensors. Follow the on-
screen instructions to add the sensor.
The product should not be disposed of with other household waste. Check
for the nearest authorized collection centers or authorized recyclers.
The correct disposal of end-of-life equipment will help prevent potential
negative consequences for the environment and human health.
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