White Rodgers 1F90W-71 manual Thermostat immediately, press

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During periods of low humidity (especially during cold weather), you may feel or see a spark discharge when you touch the ther- mostat. This may cause the program to be lost or the thermostat to display incorrectly. To correct this, remove the thermostat from the wall and disconnect the battery. Wait about one minute, then reconnect the bat- tery. The thermostat will revert to the factory preset program until you reprogram the thermostat. If you don’t want to reprogram

the thermostat immediately, press

SYSTEM

HEAT-OFF-COOL-AUTO

until OFF is displayed and replace the ther-

RUN

mostat on the wall. Then press PRGM to

begin the factory preset program. Or you may reprogram the thermostat, then re- place it on the wall.

To prevent further static discharge prob- lems, touch another object to release static build-up before touching the thermostat. See OPERATING YOUR THERMOSTAT.

7.Why won’t the setpoint temperature go to the temperature I want?

In the AUTO mode, the highest heating

setpoint temperature you select must be at least 1°F lower than the lowest cooling

setpoint temperature you select (for ex- ample, if 70°F is your lowest selected cool-

ing temperature, you cannot select a heat- ing temperature any higher than 68°F). If such a conflict exists, you must set the lowest cooling temperature higher in order to set the heating temperature higher. To set a lower cooling temperature, you must select a lower heating temperature. See

PROGRAMMING YOUR THERMOSTAT.

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Contents 1F90W-71 About Your New Thermostat Your NEW Thermostats Programming Your Questions and AnswersOperating Your Thermostat Your NEW THERMOSTAT’S Features Operating Your Thermostat Back of The Thermostat Body Parts of the ThermostatBack of Thermostat Body Display System Time SET Used with Thermostat ButtonsButtons to 11 12 Operating Features EMR on Automatic Changeover TWO Hour Temperature OverTo change the thermostat to the next Advance Program KEY PressConvertibility Press Time To return Adjust anticipation. PressAt the same time again UseHEAT-OFF-COOL-AUTO Total Keypad Lockout Limited Temperature RangeProgramming Your Thermostat Your Home Period Time Temp Entering Your Program Heating/Cooling Schedule Plan Sample Enter Heating Program Set Current Time and DayPress and hold either UntilPrgm to resume program operation Enter Cooling Program Check Your Programming Ming Your Thermostat How can I permanently change a part of my program?Programming Your Thermostat Erating 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? Ating Your Thermostat Why is the system turning on and off so frequently seldom?See Operating Your THERMO- Stat Programming Your THERMO- StatAny time you wish to turn your system off Simply press Is displayed, put the thermostat back on Part No -5088A