Thermostat intermittently disconnects from the Danfoss cloud or app, showing offline status.

Safety first: Network troubleshooting is low risk; avoid opening the thermostat unless necessary.

Steps to diagnose and fix:

• 1. Check Wi‑Fi signal strength: In the thermostat or app, view signal strength. If low, move the router closer or install a Wi‑Fi extender.
• 2. Disable aggressive router features: Turn off band steering, client isolation, or overly aggressive power-saving features that may drop IoT devices.
• 3. Reserve IP address: Configure your router to reserve a static DHCP lease for the thermostat to avoid IP conflicts.
• 4. Update router firmware: Install the latest firmware for your router to improve stability.
• 5. Reconnect thermostat: Forget and re-add the Wi‑Fi network on the thermostat. If dropouts persist despite strong signal, the Wi‑Fi module may be failing and the thermostat should be replaced.

When to call a professional: For complex network environments, consult an IT or networking specialist.