Troubleshooting

The LED ring on Themo is blinking RED, what does it mean?
Themo does not have internet connection. Fix: Make sure that there is internet connection to where Themo is connected to. If there is internet connec...
Thu, 28 Jun, 2018 at 6:34 PM
The LED ring has turned to WHITE, what does it mean?
Themo has lost the connection to SLS servers. If the problem continues more than 24 hours, contact support.
Thu, 28 Jun, 2018 at 6:34 PM
How can I restart the Smart Thermostat?
From your circuit breaker box, turn off the fuse that controls your heating for 10 seconds.
Thu, 28 Jun, 2018 at 6:35 PM
I have Themo installed and the app shows offline. What does it mean and what can be done?
Themo does not have internet connection. See instructions here. Themo does not have established connection with SLS servers. See information here. Restar...
Mon, 3 Dec, 2018 at 11:25 PM
What is going wrong when the heating is switched off in the app, but my floor is still getting warm?
There is always a slight lag of data between your heating and the app, therefore, the app can sometimes show outdated information or it might take time for...
Thu, 28 Jun, 2018 at 6:38 PM
What is going wrong when the app shows that heating is being requested, but my floor is still cold?
There is always a slight lag of data between your heating and the app, therefore, the app can sometimes show outdated information or it might take time for...
Thu, 28 Jun, 2018 at 6:39 PM
How can I control my heating system when the Wifi connection between the Smart Thermostat and the router is lost?
To reconnect Themo, see instructions here. If you do not have WiFi connection, you can control Themo from your front panel. Please see Themo Welcome Gui...
Thu, 28 Jun, 2018 at 6:41 PM
Why is there a time delay between a command given to Themo, and the heating/schedule reacting?
When changing heating schedule in mobile/web app, SLS optimization technology can take up to 1 hour to change your previously optimized heating schedule. S...
Thu, 28 Jun, 2018 at 6:41 PM
How far apart can the Themo devices be from the Wifi router?
Themo needs WiFi network to work. Best way to test this is with smartphone to see if WiFi reaches to your Themo. Just search nearby WiFi networks with your...
Thu, 28 Jun, 2018 at 6:41 PM
I think that the real power consumption is higher / lower than Themo is showing, what can I do?
Themo has built in capabilities to measure power level of your underfloor heating. The internal measurement has 10% margin of error. In case of very low pow...
Sat, 1 Dec, 2018 at 4:23 AM