What It Means
- Low Temperature Protection

Equipment not specified:
Priority condition: Service Urgent The thermostat will not allow any cooling operation to begin until it senses a temperature higher than 40ºF. • Cooling operation is not allowed. • Check to ensure that cooling equipment is not stuck ON. • Check accuracy of the thermostat temperature sensor. • Select heating system mode to heat the indoor space to above 40ºF.
Low Temperature Protection
Continue in ACLogics with guided diagnosis for your equipment and symptoms.