If plugged into L3/4 neither the red or blue LED's will work - they work OK if plugged into L1/2....However the T5 will work in L3/4
Why his should be, I have no idea !
You can see my configuration in the following thread ...
http://www.ultimatereef.net/forums/s...d.php?t=281491
(assuming a ref to Ultimate Reef is ok for this purpose ! )
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