Fibaro Multi-Zone Control Misconfiguration

Thermostat fails to control multiple zones correctly when used with Fibaro relay modules

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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 association groups between thermostat and Fibaro relays, Scenes conflicting with direct control, Wrong relay channel mapped to zone, Overlapping schedules across zones

How to Fix / Troubleshooting

Safety first: No mains work is required if you only change Z‑Wave associations and scenes.

Steps to fix multi‑zone issues:

  • 1. Map zones and relays:
    • Document which Fibaro relay module and channel controls each heating zone.
  • 2. Check associations:
    • In the Fibaro controller, verify that each thermostat is associated with the correct relay group.
  • 3. Review scenes:
    • Disable or edit scenes that may override thermostat commands or control the same relays.
  • 4. Test each zone individually:
    • Temporarily disable schedules and manually adjust setpoints to confirm each zone responds correctly.

When to call a professional: Complex multi‑zone setups benefit from a Fibaro integrator to design and validate the control logic.

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Repair Difficulty

Medium 3/5

Required Part

Fibaro Relay Module (for zone control)
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