Wyze Non-Volatile Memory or Backup Power Issue

Thermostat loses time or schedule after power interruptions.

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Possible Causes

Firmware bug affecting schedule storage, Internal memory corruption, Extended power loss without proper shutdown, Defective internal storage on Wyze board

How to Fix / Troubleshooting

Safety first: No electrical work is required.

  • Update firmware: In the Wyze app, ensure the thermostat is running the latest firmware, which may address memory issues.
  • Recreate schedule: Delete and recreate the schedule in the app to ensure it is stored correctly.
  • Avoid frequent power cycling: Minimize manual breaker cycling of the furnace unless necessary for service.
  • Replace thermostat if persistent: If the thermostat continues to lose its schedule after brief outages, the internal memory may be defective and the display should be replaced.
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Repair Difficulty

Easy 2/5

Required Part

Wyze Thermostat Display Assembly
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