White Rodgers 1F90-51 manual the thermostat immediately, press, Operating Your Thermostat

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
	SWITCH

until OFF is displayed and replace the ther-

mostat on the wall. Then press PRGMRUN to begin

the factory preset program. Or you may reprogram the thermostat, then replace 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.

6.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.

7.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.

8.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,

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