To Next PageTo Next PageHow to unlock my Emerson 1F97-1277 Thermostat if I forgot the Keypad Lockout Code?
To unlock your Emerson Thermostat when you've forgotten the Keypad Lockout Code, press the menu button (the button will disappear) and hold it in for 20 seconds. This action unlocks the thermostat.
How to troubleshoot an Emerson 1F97-1277 with no heat, no cool, and no fan?
If your Emerson Thermostat isn't providing heat, cool, or fan operation, check the following: * Ensure the fuse hasn't blown or the circuit breaker hasn't tripped; replace the fuse or reset the breaker if needed. * Verify the furnace power switch is in the ON position. * Confirm the furnace blower compartment door or panel is properly installed to engage the safety interlock or door switch. * Check for and tighten any loose connections to the thermostat or system.
Why does my Emerson Thermostat heat, cool, or fan run constantly?
If your Emerson Thermostat controlled heat, cool, or fan runs constantly, the issue could be due to: * A short in the wiring: Inspect each wire connection to ensure they are not shorted or touching. * A short in the thermostat: Try resetting the thermostat. * A short in the heat/cool/fan system. * The FAN switch being set to Fan ON: If the system then operates correctly, replace the thermostat.
What to do if my Emerson Thermostat has no cool air?
If your Emerson Thermostat isn't providing cool air, the cooling system may require service or the thermostat may need replacement. The diagnostic process is the same as for a 'No Heat' condition, but ensure you set the thermostat to COOL and lower the setpoint below the current room temperature.
Why do my Emerson 1F97-1277 setting and thermometer disagree?
If your Emerson Thermostat setting and thermometer disagree, the thermometer setting likely requires adjustment. The thermometer can be adjusted +/- 4 degrees.
Why does my Emerson 1F97-1277 Thermostat cycle too fast?
If your Emerson Thermostat cycles too fast or too slow, the thermostat's location or the heating system's size may be influencing the cycle rate. To increase the cycle time, select 'SL' for slow cycle in the Configuration menu, step 7 (heat) or 8 (cool).
General| Product Type | Thermostat |
|---|---|
| Programmability | 7-Day Programmable |
| Power Source | Battery or Hardwired |
| Backlight | Yes |
| Temperature Swing | Adjustable |
| Weight | 0.5 lbs |
| Stages | 2 Heat/1 Cool |
| Display | Digital |
| Features | Energy Saving |
| Compatibility | HVAC Systems |
| Temperature Range | 40°F to 99°F |
Provides a guide to thermostat applications for various heating and cooling systems.
Details electrical ratings, terminal load, setpoint range, and operating conditions.
Steps for safely removing a standard heat/cool thermostat from its base.
Procedure for mounting the new thermostat base and attaching the thermostat.
Details the location of batteries and how to replace them for thermostat power.
Explains the function of each terminal on the thermostat base.
Explains the elements and indicators shown on the thermostat's home screen.
Describes the function of various buttons and indicators used for programming.
Details the various settings available in the installer configuration menu.
Explains how to select between Auto and On fan modes for operation.
Details how to select system modes like Heat, Cool, Auto, Off, and Emer.
Instructions for manual temperature adjustment on non-programmable models.
How to manually override programmed settings using HOLD or Temporary Override.
Explains the automatic adjustment for Daylight Saving Time and its configuration.
Describes how to use the Copy button to duplicate program settings across days.
Step-by-step guide to setting heating times and temperatures for program periods.
Instructions for setting cooling times and temperatures for program periods.
Explains the Auto Schedule feature for quick programming of popular settings.
How to set the fan operation mode (Auto or Program) for specific periods.
Details the thermostat's default energy-saving heating and cooling schedule.
Important guidelines and tips for planning custom heating and cooling schedules.
A worksheet to help users pencil in custom times and temperatures for programming.
Instructions for installing and configuring wired remote temperature sensors.
Explains how remote sensor readings are weighted and displayed.
Procedure to reset the thermostat to factory settings to resolve operational issues.
Addresses common issues like no heat/cool, constant operation, and setting discrepancies.
Method to unlock the thermostat if the keypad lockout code is forgotten.
Troubleshooting when the first configuration menu item does not show SS1 or HP1.
