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Symptom
The system isn't turning on
LCD is blank
Thermostat is not properly controlling the fan
Thermostat is continuously turning on and off
Temperature displayed is not accurate
Troubleshooting
Check the wiring (see Installation, Page 7)
24 VAC is at thermostat.
Check that the Gas/Electric jumper setting matches your system (gas
or electric)
Increase the temperature differential (see Setting a New Temperature
Differential, Page 11)
Verify no heat producing objects are located near the thermostat.
Verify thermostat has adequate air flow to it.
Remedy
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