White Rodgers 37-7237A specifications Symptom Possible Cause Correction Action, Reset Operation

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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

Correction 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 panel

Replace door panel in proper position to engage safety

 

 

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

 

 

may also be intermittent.

a 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.

 

1.

Possible short in wiring.

Check each wire connection to verify they are not shorted or

Heat, Cool or Fan

2.

Possible short in thermostat.

touching together. No bare wire should stick out from under

Runs Constantly

3.

Possible short in heat/cool/fan system.

terminal block. Try resetting the thermostat as described

 

4.

FAN Switch set to Fan ON.

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 Menu

Disagree

 

 

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

 

the size of the Heating System may

than older mechanical models. The system turns on and off

Slow (narrow or wide

 

be influencing the cycle rate.

more frequently but runs for a shorter time so there is no

temperature swing)

 

 

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.

Forgot Keypad

 

 

Hold MENU key for 20 seconds and the lockout will reset.

Lockout Code

 

 

 

 

 

 

Thermostat does not have

1. Earlier version of thermostat.

Refer to Instruction Sheet 37-7149B

Menu Screen Numbers

 

 

 

 

 

 

 

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

www.white-rodgers.com

www.emersonclimate.com

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Contents Specifications ApplicationsSave these instructions for future use IndexInstallation Wiring ConnectionsInstalling New Thermostat Remove Old ThermostatWire Spdt Heat Only Zone Valve Wiring Single Stage and Multi-Stage ConnectionsProgramming and Configuration Items Displays System Mode Heat, Emer, Auto, Cool, OffDisplays Fan Mode On, Auto or Run Sched Thermostat Quick ReferenceINSTALLER/CONFIGURATION Menu OptionsHeat To L Selects Limited Heat Range Cool To L Selects Limited Cool RangeSelect Temperature Display Adjustment 4 LO to 4 HI Troubleshooting Operating Your ThermostatSymptom Possible Cause Correction Action Reset OperationProblemas DE Solución ÍneaLCorrectiva Acción Posible Causa Síntoma Usuario2925-284el-800para-1 ayuda deConfiguración INSTALADOR/DE Menú Sistema del configuración la ElijaOn u Auto ventilador del configuración la Elija Termostato SU Usar CómoPalabra la aparece no Si Palabra la aparecerá ambienteEl con real temperatura la De encima por más o C 2 F 3 en manualmente aumenta seMenú Indicadas opcionesConfiguración y programación de Elementos 8 Figura Termostato DEL Rápida Referencia DE GuíaPantalla la de Descripción MenuGas Conexiones DE DiagramaCorrectamente configurarlo Instalación PilasNuevo termostato del Instalación Viejo termostato el retirar CómoEspecificaciones Aplicaciones7237A-37 Pieza DE N Página Índice

37-7237A specifications

The White Rodgers 37-7237A is a sophisticated thermostat designed to bring comfort and efficiency to residential heating and cooling systems. It is known for its reliability, user-friendly interface, and a variety of features that cater to the needs of modern homeowners.

One of the standout features of the 37-7237A is its digital display, which provides clear and precise temperature readings, making it easy to monitor and adjust settings. The thermostat is equipped with a simple, intuitive interface that allows for straightforward navigation through its various functions, ensuring that users can easily customize their heating and cooling preferences.

The 37-7237A supports both heat-only and cool-only systems, providing flexibility for different types of HVAC setups. It is compatible with conventional systems as well as heat pumps, making it a versatile choice for numerous household configurations. Additionally, the thermostat offers programmable capabilities, allowing users to set different temperatures for various times of the day. This feature promotes energy efficiency and helps reduce utility costs, as homeowners can lower their heating or cooling when they are not home.

Technologically, the 37-7237A incorporates advanced features such as adaptive intelligent recovery. This technology learns how long it takes to heat or cool a space to the desired temperature and begins to adjust the system's operation accordingly. As a result, the thermostat ensures that the home maintains optimal comfort without unnecessary energy expenditure.

The 37-7237A also includes a built-in temperature sensor that ensures accurate readings, helping to maintain the desired indoor climate. This consistency allows for a stable and comfortable environment, while also protecting the equipment from potential damage caused by extreme temperature fluctuations.

Another benefit of the White Rodgers 37-7237A is its energy-saving capabilities. By utilizing a programmable schedule, users can avoid heating or cooling their homes when they are not occupied. This feature can lead to significant energy savings over time.

In summary, the White Rodgers 37-7237A offers a combination of user-friendly design, advanced technology, and energy efficiency features that make it an excellent choice for homeowners seeking to enhance their indoor comfort. With its versatile compatibility and smart programming capabilities, it's an investment that pays off in both comfort and cost savings.
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