Schedule conflict
Vaillant vSMART
Programming Conflict
vSMART app reports a 'Schedule conflict' or overlapping time periods that prevent proper operation.
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Possible Causes
Overlapping heating and hot water schedules, multiple zones with conflicting priorities, manual overrides not cleared, duplicated time blocks
How to Fix / Troubleshooting
Steps to resolve schedule issues:
- Review each day: In the app, open the schedule for each day of the week and ensure that time blocks do not overlap and that transitions are logical.
- Clear overrides: Cancel any manual overrides or boosts that may be locking the system into a particular mode.
- Standardize times: Use consistent start and end times across days to reduce complexity and potential conflicts.
- Reset schedule: If the schedule is very complex, use the app's option to reset to default and then re‑enter a simple schedule.
Once conflicts are removed, the error should clear and the system will follow the new schedule.
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Repair Difficulty
Very Easy
1/5
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