Ideal Unstable Power or Internal Fault

Thermostat reboots randomly several times a day

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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

Loose power connection at backplate, Overloaded 24 V transformer, Internal regulator overheating, Firmware instability

How to Fix / Troubleshooting

Safety first: Turn off power before removing the thermostat.

Steps:

  • 1. Check backplate fit: Ensure the thermostat is firmly seated on the backplate and that spring contacts are not bent.
  • 2. Tighten power terminals: Verify live and neutral are secure and not shared with high‑load devices that cause voltage dips.
  • 3. Reduce load on transformer: If multiple devices share a 24 V transformer, consider adding a dedicated transformer for the thermostat.
  • 4. Firmware update and reset: Update firmware via the app and perform a factory reset if reboots continue.
  • 5. Replace thermostat: Persistent random reboots with stable power indicate an internal fault.
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Repair Difficulty

Medium 3/5

Required Part

Ideal Smart Thermostat Backplate
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