White Rodgers 1f83-0471 specifications Troubleshooting, Symptom Possible Cause Corrective Action

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TROUBLESHOOTING

Reset Operation

Note: When thermostat is reset, installer configuration menu settings and programming will reset to factory settings.

If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing the wires from terminals R and C (do not short them together) 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.

Note: Be sure to review the installer configuration menu settings.

To reset the programming, clock and configuration settings, press and and the FAN button simultaneously. The thermostat should go blank and then all segments will be displayed momentarily.

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.

 

4.

Loose connection to thermostat or system.

Tighten connections.

 

 

 

 

No Heat

1.

Pilot light not lit.

Re-light pilot.

 

2.

Furnace Lock-Out Condition. Heat

Many furnaces have safety devices that shut down when a

 

 

may also be intermittent.

lock-out condition occurs. If the heat works intermittently

 

 

 

contact the furnace manufacturer or local HVAC service

 

 

 

person for assistance.

 

3.

Heating system requires service or

Diagnostic: Set SYSTEM Switch to HEAT and raise the

 

 

thermostat requires replacement.

setpoint above room temperature. Within a few seconds

 

 

 

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 replacement. If the thermostat clicks,

 

 

 

contact the furnace manufacturer or a HVAC service

 

 

 

person to verify the heating is operating correctly.

 

 

 

 

No Cool

1.

Cooling system requires service or

Same as diagnostic for No Heat condition except set the

 

 

thermostat requires replacement.

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.

 

 

 

 

Heat, Cool or Fan

1.

Possible short in wiring.

Check each wire connection to verify they are not shorted

Runs Constantly

2.

Possible short in thermostat.

or touching together. No bare wire should stick out from

 

3.

Possible short in heat/cool/fan system.

under terminal block. Try resetting the thermostat as

 

4.

FAN Switch set to Fan ON.

described above. 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.

 

 

 

 

Thermostat Setting &

1.

Thermostat thermometer setting

The thermometer can be adjusted +/- 4 degrees. See

Thermostat Thermometer

 

requires adjustment.

Temperature Display Adjustment in the Configuration

Disagree

 

 

Menu section.

 

 

 

 

Furnace (Air Conditioner)

1.

The location of the thermostat and/or

Digital thermostats provide precise control and cycle faster

Cycles Too Fast or Too Slow

 

the size of the Heating System may

than older mechanical models. The system turns on and

(narrow or wide

 

be influencing the cycle rate.

off more frequently but runs for a shorter time so there is

temperature swing)

 

 

no increase in energy use. If you would like an increased

 

 

 

cycle time, choose SL for slow cycle in the Configuration

 

 

 

menu, step 6 (heat), 7 (cool) or 8 (heat pump). If an

 

 

 

acceptable cycle rate is not achieved, contact a local

 

 

 

HVAC service person for additional suggestions.

 

 

 

 

White-Rodgers is a division of Emerson Electric Co.

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

HOMEOWNER HELP LINE: 1-800-284-2925

St. Louis, Missouri

www.white-rodgers.com

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Contents Specifications ApplicationsSave these instructions for future use IndexInstallation Wiring ConnectionsInstalling New Thermostat Remove Old ThermostatHome Screen Description Programming and Configuration ItemsThermostat Quick Reference INSTALLER/CONFIGURATION Menu Default On. Use or touch keys to select the feature OFF Setpoint for up to five minutesOperating Your Thermostat Worksheet for Re-Programming 5/2 Day and 5+1+1 Day Program Energy Saving Factory Pre-ProgramPlanning Your Program Important Troubleshooting Symptom Possible Cause Corrective ActionReset Operation St. Louis, Missouri
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1f83-0471 specifications

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