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Controller
Quick Check
Bad
STB
Yes
No
No
Yes
Press POWER on
Installer Remote.
STB
responded?
No
Yes
End
Bad
STB
Display
panel ON?
Yes
No
Press VOLUME UP/
DOWN or MUTE key
on LG Installer Remote.
STB
conected to
AC Power?
Plug into AC
Power outlet.
1.
2.
3.
No
Yes
Make sure the display panel
is plugged in to the STB.
Check the RS-232 cable
and connections.
Cycle power by removing
and reconnecting the AC
Power cord.
Check the IR connection
on the STB.
STATUS
LED on front of
STB blinking?
POWER
LED on front
of STB lit?
Troubleshooting (Cont.)
Troubleshooting Flow Chart