Symptoms
- Temperature doesn't change at the scheduled times
- Thermostat shows Hold or Override on screen
- Schedule looks correct in the app but isn't applied
Likely causes
- CommonHold or temporary override activeManually adjusting the temperature often triggers a hold that cancels the schedule until you clear it.
- CommonWrong day or time set on the thermostatAn incorrect clock or day setting causes the schedule to run at the wrong times or not at all.
- PossibleSchedule not actually savedA schedule change made in the app may not have synced to the thermostat.
- PossibleVacation or away mode enabledThese modes intentionally override the normal schedule.
- Less commonSoftware glitchOccasionally the thermostat's internal schedule logic needs a reset.
What to do
- Look at the thermostat display for a Hold, Override, or Away indicator and clear it if present.
- Confirm the thermostat's date, time, and day of week are set correctly.
- Reopen the schedule in the app, make a small edit, and save it again to force a resync.
- Check that Vacation or Away mode isn't active in the app.
- Restart the thermostat by removing it from its base or cycling batteries for 30 seconds.
- If the schedule still doesn't apply after these steps, try deleting and recreating it from scratch.
Tools and parts
- Smartphone with the thermostat app
When to call a pro
Contact the thermostat manufacturer's support if schedules repeatedly fail to save or sync after these steps.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.