Gefran controllers: LED 1 of the controller flashes on start-up. What does this mean?

This is a possible indication of an instrument that is in Soft-start mode - a function that serves to avoid thermal shock to a heating system. To check if controller is set for soft-start, follow these steps:

1. Press and hold the button until is displayed
2. Using buttons configure value to 99
3. Press the key once, appears
4. Using buttons configure value to 128
5. Press and hold the button until is displayed
6. Press the key once, is displayed

If the value for is 4, 5, 12 or 13 then soft-start has been activated.