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error Finder
Error Code Er1
Internet Failure — the chronothermostat cannot connect to the internet or Wi-Fi network.
? What Causes This
ADSL is off, Wi-Fi signal is too distant, Wi-Fi traffic is congested, or network SSID/password is incorrect.
✓ How to Fix It
- Verify ADSL/internet connection is active.
- Move device closer to router.
- Check SSID and password are correct (case-sensitive).
- Remove extra spaces in credentials.
- Ensure 2.4 GHz network is available.
Source: page 18 of the official manual
From the manual
This error code appears in:
Finder IB1C91 Bliss Wifi Chrono Thermostat