Danfoss Ally State Synchronization Delay

Thermostat shows different temperature or mode than what is displayed in the Ally app; changes take a long time to sync.

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Possible Causes

Zigbee network latency, Temporary loss of connection, App cache not refreshed, Firmware communication bug

How to Fix / Troubleshooting

Safety first: No special safety concerns.

Steps:

  • Refresh app: Close and reopen the Ally app or pull to refresh the device list.
  • Check connection quality: Ensure the thermostat has a stable Zigbee connection (see connectivity troubleshooting above).
  • Wait for sync: Allow a few minutes for state updates to propagate, especially after network changes.
  • Re‑pair if needed: If discrepancies persist, remove the device from the app, factory reset it, and add it again.
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Repair Difficulty

Very Easy 1/5
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