White Rodgers 1F80-0224 specifications Troubleshooting, Reset Operation

TROUBLESHOOTING

Reset Operation

If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, reset the thermostat

by pressing the , and TIME buttons simultaneously.

If the thermostat has power, 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 safety
	panel loose or not properly installed.	interlock or door switch.
No Heat	1. System Switch not set to Heat.	Set System Switch to Heat and raise setpoint above room
		temperature.
	2. Loose connection to thermostat or	Verify thermostat and system wires are securely attached.
	system	Diagnostic: Set System Switch to Heat and raise the
	3. Heating System requires service or	setpoint above room temperature. Within a five minutes
	thermostat requires replacement.	the thermostat should make a soft slick sound. This sound
		usually indicates the thermostat is operating properly. If
		the thermostat does not click, try the reset operation listed
		above. If the thermostat does not click after being reset
		contact your heating and cooling service person or place
		of purchase for a replacement. If the thermostat clicks,
		contact the furnace manufacturer or a service person to
		verify the heating system is operating correctly.
No Cool	1. System Switch not set to Cool.	Set System Switch to Cool and lower setpoint below room
		temperature.
	2. Loose connection to thermostat or	Verify thermostat and system wires are securely attached.
	system.	Same procedures as diagnostic for No Heat condition
	3. Cooling System requires service or	except set the thermostat to Cool and lower the setpoint
	thermostat requires replacement	below the room temperature. There may be up to a five
		minute delay before the thermostat clicks in Cooling if the
		compressor lock-out option is selected in the configuration
		menu (Item 6).
Heat, Cool or Fan Runs	1. Possible short in wiring.	Check each wire connection to verify they are not shorted
Constantly	2. Possible short in thermostat.	or touching together. No bare wire should stick out from
	3. Possible short in Heat/Cool/Fan	under terminal screws. Try resetting the thermostat as
	system.	described below. If the condition persists, the manufacturer
	4. Fan Switch set to Fan On.	of your system or service person can instruct you on how
		to test the Heat/Cool/ system for correct operation. If the
		system operates correctly, replace the thermostat.
Furnace Cycles Too Fast or	1. The location of the thermostat and/or	Item 3 (CR Heat) or 4 (CR Cool) in the Configuration
Too Slow	the size of the Heating or Cooling	Menu is the adjustment that controls the cycle rate. If an
Cooling Cycles Too Fast	System may be influencing the cycle	acceptable cycle rate is not achieved using the FA (Fast)
or Too Slow	rate.	or SL (Slow) adjustment contact a local service person for
(narrow or wide		additional suggestions.
temperature swing)
Thermostat Setting and	1. Thermostat thermometer setting	The thermometer can be adjusted +/- degrees as listed in
Thermometer Disagree	requires adjustment.	item 8 of the Configuration Menu. No other adjustment is
		possible.
Clock Loses or Gains	1. Loss of power to thermostat.	The thermostat will maintain its program in memory even
Time		with no power but the clock time will be incorrect when
		power is restored. See No Heat/No Cool /No Fan (common
		problems) above for items to check in the system.
Heat or Cool Starts Early	1. EMR activated.	See Configuration Menu (Item 3)
Thermostat Does Not	1. AM or PM set incorrectly in program.	Check current clock and program settings including the AM
Follow Program	2. AM or PM set incorrectly on the	or PM designations for each time period. If a voltage spike
	clock.	or static discharge occurs use the Reset Operation listed
	3. Voltage spike or static discharge.	above.
	4. See “Heat or Cool Starts Early”
	above.
Blank Display and/or	1. Voltage Spike or Static Discharge.	If a voltage spike or static discharge occurs use the Reset
Keypad Not Responding		Operation listed above.

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