English - 43
Tr ou ble sh oot in g
1 . D ispla y pr oble m s
Pr oble m
Solu t ion
Not hing is displayed on
all t he LED m odules.
Check t hat power is being supplied t o t he LED m odules.
Check t hat t he LED cont roller is t urned on.
Check t hat a video signal is being input t o t he LED cont roller.
Check t hat a LAN cable is correct ly connect ed bet ween t he LED
cont roller and t he LED m odule.
Check t hat t he bright ness is not set t o 0% ( = not lit ) .
Not hing is displayed on
one LED m odule.
Check t hat a LAN cable is correct ly connect ed bet ween t he LED
cont roller and t he LED m odule.
The receiving card inside t he LED m odule m ay be broken.
→
Check t he st at us of t he LED m odule by following t he procedure
in t he next sect ion “ 2 St at e m onit oring using t he soft ware”.
The power unit inside t he LED m odule m ay be broken.
→
Check t he st at us of t he LED m odule by following t he procedure
in t he next sect ion “ 2 St at e m onit oring using t he soft ware”.
No im age is displayed on
one pixel card.
Check t hat t he cont act s of t he pixel card are correct ( cont act s of
t he hub board) .
The pixel card m ay be broken. Replace it wit h a spare pixel card.
Cont rol ( com m unicat ion)
is not possible.
Check t hat t he com m unicat ion cable is correct ly connect ed bet ween
t he com put er and t he LED cont roller.
Check t hat t he LED cont roller is t urned on.
I f t he com m unicat ion cable is a USB cable, check t hat t he device
driver runs correct ly.