Zoning configuration error
Vaillant vSMART
Multi‑Zone Mapping Fault
vSMART app reports a zoning configuration error or zones do not behave as expected (wrong rooms heating).
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Incorrect assignment of thermostats to zones, miswired zone valves or actuators, duplicated zone names, mixing vSMART with other controls incorrectly
How to Fix / Troubleshooting
Steps to correct zoning:
- Review zone list: In the app, check each zone name and which vSMART thermostat or sensor is assigned to it.
- Test each zone: One by one, raise the setpoint in a single zone and observe which radiators or underfloor loops heat up. Note any mismatches.
- Correct wiring (pro only): If zones are physically wired to the wrong valves or actuators, a heating engineer must rewire the zone valves or manifold actuators to match the logical zones.
- Remove duplicates: Delete unused or duplicate zones in the app and re‑add them carefully.
Complex multi‑zone systems should be commissioned by a professional to ensure correct mapping between vSMART controls and hydraulic zones.
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Repair Difficulty
Hard
4/5
Required Part
Zone Valves / Underfloor Heating Actuators
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