SYMPTOM

POSSIBLE CAUSE

 

CORRECTIVE ACTION

Heat, Cool or Fan Runs

1. Possible short in wiring.

 

Check each wire connection to verify they are not

Constantly

2. Possible short in thermostat.

shorted or touching together. No bare wire should

 

3. Possible short in heat/cool/fan

stick out from under terminal screws. Try resetting

 

system.

 

the thermostat as described in previous Corrective

 

4. Fan Switch is set to Fan On.

Actions. Also, if the FAN switch is set to the ON

 

 

 

position, the blower fan will cycle continuously

 

 

 

whether the heating or cooling system is running,

 

 

 

move FAN switch to the AUTO position. 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 and

1. Thermostat thermometer

 

The thermometer can be adjusted +/- 5 degrees. See

Thermostat Thermometer

setting requires adjustment.

 

Temperature Display Adjustment in the Configuration

Disagree

 

 

Menu Section.

 

 

 

Thermostat Does Not Follow

1. AM or PM set incorrectly in

Check current clock and program settings including

Program

program.

 

the AM or PM designations for each time period. If a

 

2. AM or PM set incorrectly on

voltage spike or a static discharge occurs, use the

 

the clock.

 

Reset Operation by pressing FAN, TIME BACK, and

 

3. Voltage spike or static

 

the temperature DOWN arrow at the same time.

 

discharge.

44

 

 

 

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Image 46
Emerson 1F97-391 operating instructions Temperature Display Adjustment in the Configuration

1F97-391 specifications

The Emerson 1F97-391 is a sophisticated, programmable thermostat designed to enhance comfort and efficiency in residential heating and cooling systems. With its sleek design and user-friendly interface, this thermostat stands out for those looking to upgrade their home climate control.

One of the main features of the Emerson 1F97-391 is its ability to be programmed for up to seven days. This allows users to set different temperature schedules for different days of the week, which is particularly useful for families with varying routines. The thermostat also boasts a large, backlit display that makes it easy to read temperature settings and other information, even in low-light conditions.

In terms of technology, the Emerson 1F97-391 is equipped with Smart Response technology, which learns your heating and cooling patterns and adjusts accordingly. This feature is designed to ensure that your home reaches the desired temperature by the time you're scheduled to arrive, optimizing energy efficiency. Additionally, the thermostat can be paired with Wi-Fi connectivity, allowing for remote access through a mobile app. This means users can adjust their home’s temperature from anywhere, ensuring comfort upon arrival.

Another significant characteristic of the Emerson 1F97-391 is its compatibility with a wide range of HVAC systems, including single-stage and multi-stage systems, heat pumps, and gas or electric furnaces. This versatility makes it an ideal choice for a variety of homes and setups.

Moreover, the thermostat features a built-in humidity sensor, providing users with not only temperature control but also the ability to monitor and manage indoor air quality. This is crucial for maintaining a comfortable living environment and can contribute to overall health and well-being.

The Emerson 1F97-391 also incorporates energy-saving functions such as Eco mode and built-in reminders for filter changes. These features help users maintain their systems efficiently while ensuring optimal performance over time.

In summary, the Emerson 1F97-391 is a modern thermostat offering programmable capabilities, advanced technology like Smart Response, and compatibility with various HVAC systems. It encompasses features focused on energy efficiency and user convenience, making it an excellent choice for anyone seeking to enhance their home’s climate control system.