Is this the first LED backlight on the forum ?
The mainboard must be ok, then the on/off led could show a error code.
I think you must press a button on the remote.
Blinking display when error is detected
When system received error report, Standby LED (red) blinks as follows.
POWER LED should keep dark while error indication.
1) Lamp error
Blink timing (1 blink/1 period)
2) Power module error
Blink timing (2 blink/1 period)
3) High temperature
Blink timing (5 blink/1 period)
