White-Rodgers 1F97-1271 – User Guide & Manual
The White-Rodgers 1F97-1271 is a non-programmable, single-stage touchscreen thermostat from Emerson’s 90 Series Blue™ line. Designed for residential heating and cooling systems, it offers precise temperature control with a sleek interface.
White-Rodgers 1F97-1271 — Troubleshooting
Thermostat not turning on
Possible cause:
No power / weak batteries / wiring issue
Solution: Check wiring connections, replace batteries if needed
Display blank or frozen
Possible cause:
Power interruption or touchscreen fault
Solution: Reset thermostat, verify power source
AC not responding
Possible cause:
Incorrect Y terminal connection or low voltage
Solution: Check Y wire, ensure proper voltage to AC unit
Heater not engaging
Possible cause:
Wiring error or system not configured correctly
Solution: Verify W terminal wiring and system settings
Fan runs continuously
Possible cause:
Fan set to ON instead of AUTO
Solution: Set fan mode to AUTO in thermostat settings
Frequently Asked Questions
Why does my AC fan keep running? +
If the fan mode is set to ON, it will run continuously. Switch to AUTO so the fan cycles with heating or cooling.
How do I reset the thermostat? +
Press and hold the Mode and + buttons simultaneously until the display resets.
The screen is blank. What should I check? +
Ensure the thermostat has power. Check wiring, battery status, and the 24V AC supply to the system.
Does this thermostat control both heating and cooling? +
Yes, it supports both furnace heating and AC cooling systems when wired correctly.
What type of batteries does it use? +
Uses 2 AA alkaline batteries for backup power in case of a power outage.
Can I program schedules on this thermostat? +
No, the 1F97-1271 is non-programmable; temperature settings are manually adjusted.
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