Meross Configuration Loss / Volatile Network Settings

Thermostat loses its Wi‑Fi configuration or pairing after a power outage and must be set up again.

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.

Possible Causes

Corrupted configuration storage, Incomplete write during previous power loss, Failing flash memory sector for network data

Safety: No mains work required.

Steps:

Stable power: Avoid frequent manual power cycling. If your area has unstable power, consider a UPS for the router and heating controls.
Firmware update: Update the thermostat firmware via the Meross app to ensure the latest configuration handling logic.
Factory reset and reconfigure: Perform a full reset, then set up Wi‑Fi and schedules again. Monitor whether settings now persist through outages.

Outcome: Persistent loss of configuration indicates failing memory; replace the thermostat.

Medium 3/5

Onboard Flash Memory

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