⚠
warning Honeywell
Error Code Set Clock (flashing)
Display indicator showing that the clock/time has not been properly set on the thermostat.
? What Causes This
Time and day have not been configured after installation or battery replacement.
✓ How to Fix It
- Press SET CLOCK/DAY/SCHEDULE button.
- Press up or down arrows to set the correct time.
- Press SET DAY button and select the current day of the week.
- Press DONE to save and exit.
Source: page 6 of the official manual
From the manual
