White Rodgers 1F85-277 Troubleshooting, Enter Cooling Program, Check Your Programming, Symptom

OPERATION

heating program period appears. The time will change in 15- minute increments. When your selected time is displayed, press TIME again to return to the change temperature mode.

5.Press PRGM once. The currently programmed start time and setpoint temperature for the Monday’s 2nd heating program period will appear.

6.Repeat steps 3 and 4 to select the start time and heating temperature for Monday’s 2nd heating program period.

7.Repeat steps 3 through 5 for the 3rd and 4th heating program periods. Monday heating programs are now complete.

NOTE

If you are programming your thermostat for the first time and you want programming for all days of the week to be the same as Monday’s program, press RUN or HOLD at this point, and proceed to Enter Cooling Program. (This simplified COPY DAY feature only works the first time you program your thermo- stat. If you want to copy one day’s programming to a specific day programming, refer to COPY DAY FUNCTION in OPERATING FEATURES. If you are changing your thermostat’s program- ming, you must program each day separately.)

8.Press PRGM once. “TU” (indicating Tuesday program) will appear in the display, along with the start time for the 1st heating period and the currently programmed temperature.

9.Repeat steps 3 through 7 to complete Tuesday’s heating programming.

10.Continue entering each day’s programming until all heating periods time and temperatures have been entered.

11.When you have complete entering your heating program, press RUN.

Enter Cooling Program

!CAUTION

If the outside temperature is below 50°F, disconnect power to the cooling system before programming. Energizing the air conditioner compressor during cold weather may cause personal injury or property damage.

1.Press SYSTEM button to COOL position.

2.Follow Enter Heating Program for entering your cooling program, using your selected cooling times and tempera- tures.

CHECK YOUR PROGRAMMING

Follow these steps to check your thermostat programming one final time before beginning thermostat operation.

1.Press SYSTEM button to HEAT position.

2.Press PRGM to view the 1st Monday heating period time and temperature. Each time you press PRGM, the next heating period time and temperature will be display- ed in sequence for each weekday, then Saturday and Sunday program periods (you may change any time or temperature during this procedure).

3.Press RUN.

4.Press SYSTEM button to COOL position.

5.Repeat step 2 to check cooling program.

6.Press SYSTEM button to HEAT or COOL and press RUN to begin program operation.

NOTE: Batteries are not required to keep your programming or menu data. With two optional "AA" batteries installed, your thermostat will maintain time and continuously display the temperature during a loss of AC power. Installed batteries will also allow programming prior to installation.

YOUR THERMOSTAT IS NOW PROGRAMMED AND READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY!

TROUBLESHOOTING

Reset Operation

If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermo- stat by removing the wires from terminals R and C and removing batteries for 2 minutes. After resetting the thermostat, replace the wires and batteries. If the thermostat has been reset and still does not function correctly, contact your heating/cooling service person or place of purchase.

Symptom	Possible Cause	Corrective Action
No Heat/No Cool/No Fan	1. Blown fuse or tripped circuit breaker.	Replace fuse or reset breaker.
(common problems)	2. Furnace power switch to OFF.	Turn switch to ON.
	3. Furnace blower compartment door or	Replace door panel in proper position to engage
	panel loose or not properly installed.	safety interlock or door switch.
No Heat	1. Pilot light not lit.	Re-light pilot.
	2. SYSTEM button not set to HEAT.	Press SYSTEM button to HEAT and raise setpoint
		above room temperature.
	3. Loose connection to thermostat or	Verify thermostat and system wires are securely
	system.	attached.
	4. Furnace Lock-Out Condition. Heat	Many furnaces have safety devices that shut down
	may also be intermittent.	when a lock-out condition occurs. If the heat works
		intermittently contact the furnace manufacturer or
		local service person for assistance.
	5. Heating system requires service or	Diagnostic: Press SYSTEM button to HEAT and
	thermostat requires replacement.	raise the setpoint above room temperature. Within a
		few seconds the thermostat should make a soft click

10