German manufacturer specializing in electronic radiator thermostats and smart home heating controls since 1998.
Eurotronic Technology GmbH, founded in 1998 in Hesse, Germany, is a market leader in the field of electronic radiator controls. As a medium-sized family business, Eurotronic develops and manufactures high-quality heating control solutions designed to be user-friendly and energy-efficient. Their product range includes standalone programmable thermostats as well as smart home devices supporting standards like Zigbee, Z-Wave, WiFi, and LoRaWAN. All products are manufactured in their own factories in Germany, ensuring high technical standards.
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After mounting the device on the radiator valve, the display usually shows 'Ad'. Press the designated confirmation button (or hold the specific button combination) for about 3 seconds to start the adaptation process, which calibrates the motor to the valve.
Error code E1 typically indicates that the thermostat is not correctly mounted on the valve. Ensure the union nut is tight and that you are using the correct adapter for your radiator valve type.
For most models like the Comet Zigbee or Stella, press and hold the reset button (often located in the battery compartment) for 10 seconds. The display will often count down or flash before restarting in pairing mode ('PA').
Payload parsers and other software tools can be downloaded directly from the 'Downloads' section under 'Service' on the official Eurotronic website.