Emerson Process Management 1F95-1291 Reset Operation Symptom Possible Cause Corrective Action

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TROUBLESHOOTING

Reset Operation

Note: If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing the thermostat from the wall plate and removing batteries for 2 minutes. After two minutes, replace the batteries and replace thermostat on wall plate. 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 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

 

 

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.

 

 

 

 

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 de-

 

4.

FAN Switch set to Fan ON.

scribed 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

Cycles Too Fast or Too Slow

 

the size of the Heating System may

faster than older mechanical models. The system turns

(narrow or wide

 

be influencing the cycle rate.

on and off more frequently but runs for a shorter time

temperature swing)

 

 

so there is no increase in energy use. If you would like

 

 

 

an increased cycle time, choose SL for slow cycle in the

 

 

 

Configuration menu, step 7 (heat) or 8 (cool). If an ac-

 

 

 

ceptable cycle rate is not achieved, contact a local HVAC

 

 

 

service person for additional suggestions.

 

 

 

 

Forgot Keypad

 

 

Press the menu key (key will disappear) and hold in for

Lockout Code

 

 

20 seconds. This unlocks the thermostat.

 

 

 

Blank display any or keypad

1. Voltage Spike or static discharge

Use the Reset Operation shown above.

not responding

 

 

 

 

 

 

Thermostat does not have

1. Earlier version of thermostat

To access the earlier version instruction sheet (37-6914E)

Menu Screen Numbers

 

 

go to www.white-rodgers.com, enter 1F95-1291 in Model

 

 

 

Number Search

 

 

 

 

Homeowner Help Line: 1-800-284-2925

White-Rodgers is a business of Emerson Electric Co.

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

www.white-rodgers.com www.emersonclimate.com

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Contents Save these instructions for future use Single Stage, Multi-Stage, Heat PumpModel Programming Choices 1F95-1291 1F95-1291 Humidity Control Touchscreen ThermostatInstallation Installing New ThermostatBattery Location Power Stealing SwitchesSingle Stage and Multi-Stage Connections Wiring DiagramsHeat Pump Connections 24 VAC 120 VAC 24 VACProgramming and Configuration Items Displays and Keypad Lockout when in keypad lockout modeThermostat Quick Reference Home Screen DescriptionINSTALLER/CONFIGURATION Menu KeyMode Med Slow Heat Cool Heat Pump Emer HeatINSTALLER/CONFIGURATION Menu Record the number you select for future use Select Remote Sensor as Indoor or Outdoor IfOperating Your Thermostat Check Thermostat OperationFan Operation Heating/HumidifierEmergency Mode Choose the Fan Setting Auto or OnChoose the System Setting Cool, Off, Heat, Em, Auto Manual Operation for Non-Programmable ModeProgramming Energy Saving Factory Pre-Program Programmable Fan OptionPlanning Your Program Important Wired Remote Temperature Sensing Worksheet for Re-Programming 5+1+1 and 7 Day ProgramHeating Wake Up Leave For Work Return Home Go To Bed Morning Fan Day Evening NightTroubleshooting Averaging or Weighting Remote SensorsDual Fuel Temperature Setpoint Blower Balance Point for HeatingReset Operation Symptom Possible Cause Corrective Action Common problems

1F95-1291 specifications

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In summary, Emerson Process Management's 1F95-1291 is a cutting-edge solution that exemplifies the company's commitment to innovation, reliability, and user-centric design. With its robust construction, advanced technologies, and user-friendly features, the 1F95-1291 is an essential asset for any organization seeking to enhance its process control capabilities and drive operational excellence. The device's adaptability to various industrial environments further underscores its value, making it a preferred choice among professionals in the field.