White Rodgers 1F82-261 White-Rodgers 80 Series Programmable Heat Pump Thermostat Manuel De Montage

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

pressing 

,

and TIME at the same time. If the thermostat

has power, has been reset and still does not function correctly
contact your heating/cooling service person or place of purchase. 

1. Blown fuse or tripped circuit breaker.

2. Furnace power switch to OFF.

3. Furnace blower compartment door or panel 

loose or not properly installed.

Replace fuse or reset breaker.

Turn switch to ON.

Replace door panel in proper position to engage safety inter-

lock or door switch.

1. System Switch not set to Heat.

2. Loose connection to thermostat or system.

3. Heating System requires service or thermo-

stat requires replacement.

Set System Switch to Heat and raise setpoint above room

temperature.

Verify thermostat and system wires are securely attached.

Diagnostic: Set System Switch to Heat and raise the setpoint

above room temperature. Within a five minutes the thermostat

should make a soft click 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 replace-

ment. If the thermostat clicks, contact the furnace manu-

facturer or a service person to verify the heating system is 

operating correctly.

1. System Switch not set to Cool.

2. Loose connection to thermostat or system.

3. Cooling System requires service or thermo-

stat requires replacement.

Set System Switch to Cool and lower setpoint below room

temperature.

Verify thermostat and system wires are securely attached.

Same procedure as diagnostic for No Heat condition except

set the thermostat to Cool and lower the setpoint 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 7).

1. Possible short in wiring.

2. Possible short in thermostat.

3. Possible short in Heat/Cool/Fan system.

4. Fan Switch set to Fan On.

Check each wire connection to verify they are not shorted or

touching together. No bare wire should stick out from under

terminal screws. Try resetting the thermostat as described 

below. If the condition persists, the manufacturer 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.

1. The location of the thermostat and/or the size 

of the Heating System may be influencing the

cycle rate.

Item 2 in the Configuration Menu is the adjustment that

controls the cycle rate. If an acceptable cycle rate is not 

achieved using the FA (Fast) or SL (Slow) adjustment contact

a local service person for additional suggestions.

1. The location of the thermostat and/or the size 

of the Cooling System may be influencing the

cycle rate.

The cycle rate for cooling is fixed and can not be adjusted.

Contact a local service person for suggestions.

1. Thermostat thermometer setting requires

adjustment. 

The thermometer can be adjusted +/- 4 degrees as listed 

in item 8 of the Configuration Menu. No other adjustment is

possible.

1. Loss of power to thermostat.

The thermostat will maintain its program in memory even 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.

1.EMR activated

See Configuration Menu (Item 5).

1. AM or PM set incorrectly in program.

2. AM or PM set incorrectly on the clock.

3. Voltage spike or static discharge.

Check current clock and program settings including the AM

or PM designations for each time period. If a voltage spike or

static discharge occurs use the Reset Operation listed above.

1. Voltage Spike or Static Discharge.

If a voltage spike or static discharge occurs use the Reset

Operation listed above.

White-Rodgers is a business 
of Emerson Electric Co.

The Emerson logo is a  
trademark and service mark 
of Emerson Electric Co.