Once switched on red light turns green and clicks. But switches off .

1 blink STV 5v sense DG Board.....2 blinks 15v SOS D Board....3 blinks 3.3v SOS D Board.....4 blinks Power SOS P Board......5 blinks 5v SOS D Board.....6 blinks Driver SOS 1 SU / SD / SC Boards (SC energy recovery circuit).....7 blinks Driver SOS 2 SU / SD / SS Boards (SC floating voltage area).....8 blinks Driver SOS 3 SS Board (SS energy recovery circuit).....9 blinks Panel Config. SOS.....10 blinks Sub 5v SOS / Main 3v SOS DG Board DTV 9v SOS / Tuner Power SOS.....11 blinks Fan SOS PB Board.....12 blinks Sound SOS H Board.....13 blinks Communication error DG Board with IC8001 (Pesks Lite 2)

When a fan is disconnected,place a jumper between pins 2 and 3 of connector that the fan was removed from.

Tighten all ground screws - ones with the tabs on.