How to read the indicator LED on the device

There are three different Trutina LED interfaces:
1. Separated green and red indicator
2. Common, dual colour (manufactured before 2nd half of 2018)
3. Common new type (device manufactured after 2nd half of 2018)

Green LED: The device is connected to electricity (Type 1 & 2 & 3)
(If the device has common LEDs, the green is only visible at device start-up).
Blinking red LED: The device is trying to connect to the server (Type 1 & 2 & 3)
Constant red LED: The device is connected to the server (Type 1 & 2)
Constant green LED: The device is connected to the server (Type 3 only!)