Rev 07/04/2015
20
Press the PLAY button to activate relay 1 (U1).
After pressing the PLAY button, below “LOAD U1 ON” will appear.
The relay #1 (output N-U1 on the relay board) will be excited. Wait few seconds until the
power board will feed a signal back to the display to prove that the relay is actually closed
(U1 will become red and STATUS will change to ON).