8 TROUBLESHOOTING

CONTINUED FROM SEVENTH PAGE

 

 

 

Symptom

 

Possible Cause

 

Corrective Action

 

 

 

 

 

 

 

 

No Heat (continued)

 

5.

Heating system requires service or

 

Diagnostic: Set System Switch to HEAT and raise

 

 

 

thermostat requires replacement.

 

the setpoint above room temperature. Within a few

 

 

 

 

 

seconds the thermostat should make a soft click

 

 

 

 

 

sound. This sound usually indicates the thermo-

 

 

 

 

 

stat 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 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 system.

 

Verify thermostat and system wires are securely

 

 

 

 

 

attached.

 

 

3.

Cooling system requires service or

 

Same procedure as diagnostic for No Heat

 

 

 

thermostat requires replacement.

 

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.

 

 

 

 

 

 

Heat, Cool or Fan Runs Constantly.

 

1.

Possible short in wiring.

 

Check each wire connection to verify they are not

 

 

2.

Possible short in thermostat.

 

shorted or touching together. No bare wire should

 

 

3.

Possible short in heat/cool/fan system.

 

stick out from under terminal screws. Try resetting

 

 

4.

Fan Switch set to Fan On.

 

the thermostat as 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.

 

 

 

 

 

 

Furnace (Air Conditioning) Cycles Too Fast

 

1.

The location of the thermostat and/or the

 

Digital thermostats normally provide precise

or Too Slow (narrow or wide temperature

 

 

size of the Heating (Cooling) System may

 

temperature control and may cycle faster than

swing)

 

 

be influencing the cycle rate.

 

some older mechanical models. A faster cycle

 

 

 

 

 

rate means the unit turns on and off more

 

 

 

 

 

frequently but runs for a shorter time so there is

 

 

 

 

 

no increase in energy use. If you would like to

 

 

 

 

 

increase the cycle time, clip Jumper W-905 as

 

 

 

 

 

mentioned in the instructions for Hydronic Heating

 

 

 

 

 

Systems. It is not possible to shorten the cycle

 

 

 

 

 

time. If an acceptable cycle rate is not achieved as

 

 

 

 

 

received or by clipping W-905 contact a local

 

 

 

 

 

service person for additional suggestions.

 

 

 

 

 

 

Thermostat Setting and Thermostat

 

1.

Thermostat thermometer setting requires

 

The thermometer can be adjusted +/- 3 degrees.

Thermometer Disagree

 

 

adjustment.

 

See Temperature Display Adjustment in the

 

 

 

 

 

Operation section.

 

 

 

 

 

 

Thermostat Does Not Follow Program

 

1.

AM or PM set incorrectly in program.

 

Check current clock and program settings

 

 

2.

AM or PM set incorrectly on the clock.

 

including the AM or PM designations for each

 

 

3.

Voltage spike or static discharge.

 

time period. If a voltage spike or a static discharge

 

 

 

 

 

occurs use the Reset Operation listed above.

Blank Display and/or Keypad

 

1.

Voltage spike or static discharge.

 

Use the Reset Operation listed above.

Not Responding

 

 

 

 

 

 

 

 

 

 

 

www.white-rodgers.com

Page 7
Page 8
Image 8
White Rodgers 1F72 installation instructions From Seventh
Page 7

1F72 specifications

The White Rodgers 1F72 is a highly regarded thermostat known for its reliability and advanced features, designed primarily to enhance comfort and energy efficiency in residential heating and cooling systems. A product of White Rodgers, a reputable brand in HVAC controls, the 1F72 is engineered to integrate seamlessly with various HVAC systems while providing intuitive user control.

One of the standout features of the White Rodgers 1F72 is its programmable capabilities. This thermostat allows users to set different temperature schedules for various times of the day and days of the week. Users can easily program it to lower the temperature at night and raise it again in the morning, leading to significant energy savings without sacrificing comfort. The flexible scheduling feature makes it suitable for families with varying routines.

The user interface of the 1F72 is designed for ease of use. It features a large, easy-to-read display that provides clear temperature settings and options. The thermostat’s buttons are intuitive, allowing users to adjust settings with minimal effort. The simple design is especially beneficial for individuals who may not be technically inclined.

Another notable technology incorporated in the White Rodgers 1F72 is the Smart Recovery feature. This innovative capability enables the thermostat to start heating or cooling the home before the programmed time, ensuring that the desired temperature is reached just when it's needed. This proactive approach contributes to improved energy efficiency.

The 1F72 is compatible with a wide range of heating and cooling systems, including conventional systems, heat pumps, and multi-stage systems. This versatility makes it an excellent choice for different types of homes and setups.

In addition to its programmable functionality, the thermostat also features advanced temperature control capabilities. With the precision of its temperature sensor, the 1F72 ensures that the home's temperature remains as consistent as possible, enhancing comfort and reducing energy waste.

Overall, the White Rodgers 1F72 thermostat is an exemplary device for anyone looking to manage their home’s heating and cooling needs effectively. With its programmable schedules, user-friendly interface, and compatibility with various systems, it stands out as an optimal solution for modern HVAC control demands.
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