White Rodgers 1F90-71 manual Display is flashing BATTERY. What does this mean?

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8.The display is flashing BATTERY. What does this mean?

The “AA” batteries installed in the thermo- stat are low and should be replaced with fresh “AA” Energizer® alkaline batteries. See

OPERATING YOUR THERMOSTAT.

9.The display shows a continuous (non- flashing) BATTERY. What does this mean?

The thermostat is not being supplied with 24 VAC power. The thermostat is operating on battery power alone. See OPERATING YOUR THERMOSTAT.

10.Why won’t the compressor turn on, even though the thermostat display is func- tioning normally?

Either the compressor lockout feature is in operation or the thermostat is not currently

calling for cool. Wait about 5 minutes for the compressor lockout to expire. If the system is still not running, read the cautionary state- ment below. Then, if conditions permit,

use the button to move the tempera- ture below the setpoint temperature. See

OPERATING YOUR THERMOSTAT.

!CAUTION

If the outside temperature is below 50°F,

DO NOT use the button to move the temperature below the setpoint tempera- ture. Property damage may result due to compressor slugging.

11.Why doesn’t the temperature change at the time I programmed?

There may be a number of causes for this situation. The following are primary reasons.

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Contents 1F90-71 About Your New Thermostat Operating Your Thermostat Questions and AnswersYour NEW THERMOSTAT’S Programming Your Your NEW THERMOSTAT’S Features Operating Your Thermostat To turn the thermostat OFF Back of The Thermostat BodyUse Back of Thermostat Body Display System Thermostat Buttons Ing, cooling, or fan are in operation Operating Features EMR on TWO Hour Temperature Over Automatic ChangeoverAdvance Program KEY Press Convertibility Press TimefwdLong cycles, you may want to adjust the anticipation setting Switch Total Keypad Lockout Limited Temperature RangeLimited Temperature Range Programming Your Thermostat Your Home Factory Preprogramming USE To Turn Thermostat OFFBefore Reattaching Thermostat to Subbase Set Current Time and DayHeating/Cooling Schedule Plan Sample Enter Heating Program Gramming after this happens, press Prgmview untilPress Enter Cooling Program Operation. USETo Turn Ther Mostat OFF Before Reattaching the Thermostat to the SubbaseCheck Your Programming System. Then pressHow can I permanently change a part of my program? Programming Your ThermostatErating Your Thermostat Why can’t I program the thermostat in the Auto mode?Gramming Your Thermostat Thermostat immediately, press Display is flashing BATTERY. What does this mean? Why is the system turning on and off so frequently seldom? Ating Your ThermostatSimply press Ming Your Thermostat Part No -5098B

1F90-71 specifications

The White Rodgers 1F90-71 is a versatile and efficient programmable thermostat designed to enhance home comfort and energy savings. Known for its user-friendly interface and advanced features, this thermostat is an excellent choice for homeowners looking to optimize their heating and cooling systems.

One of the standout features of the 1F90-71 is its 7-day programmable scheduling capability. This allows users to set different temperatures for each day of the week, accommodating individual schedules and preferences. With this functionality, homeowners can ensure their HVAC systems operate efficiently, reducing energy consumption when occupants are not at home while still providing comfort during peak hours.

The thermostat boasts a large, easy-to-read display, which provides clear visual feedback on current temperatures and settings. The intuitive interface simplifies programming and adjustments, making it accessible even for those who may not be tech-savvy. Additionally, the color touchscreen enhances the aesthetic appeal, adding a modern touch to any home.

Another noteworthy characteristic of the White Rodgers 1F90-71 is its compatibility with a variety of heating and cooling systems. It supports single-stage and multi-stage heating and cooling, as well as heat pumps with auxiliary heat, making it a flexible solution for different home configurations. This compatibility ensures that the thermostat can effectively control the temperature in both conventional and more advanced systems.

The 1F90-71 also integrates advanced features, such as Smart Recovery technology. This allows the thermostat to learn how long it takes to reach the desired temperature and begin adjusting the system proactively. This feature enhances comfort while minimizing energy usage, which results in lower utility bills.

Moreover, the thermostat offers a filter change reminder, helping homeowners maintain their HVAC systems in optimal condition. Regular filter changes ensure better air quality and system efficiency, thus prolonging the life of the equipment.

In summary, the White Rodgers 1F90-71 is a powerful programmable thermostat that combines convenience, compatibility, and efficiency. Its advanced scheduling, intuitive interface, and smart technologies make it a reliable choice for modern homes, ultimately helping homeowners achieve enhanced comfort while reducing their energy footprint.
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