U-Line UCBF659-SS12A - Page 72

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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).