19. Board Diagnostic LED’s
Ref. Description (LED
color)
Comment
9
FPGA HEARTBEAT
(green)
This LED flashes onc e a second in norma l operation which indicates that the FPGA of the F an
Control Board works properly.
10 LPS COMM (yellow) This LED lit up each time the LP S module communicates with the Fan Control Board.
11 EXT WATCHDOG (red) This LED lit up when:
• updating the firmware or software of the Fan Control Board.
•thefirmware or software of the Fan Control Board is corrupt. If this is the case try to reload
the firmware and/or software of the Fan Control Board.
• the F an Control B oard runs in boot mode (FCB HEA RTBEAT flashes twice every second). If
the F an Control B oard runs in boot mode unexpectedly, this could be an indication that the
firmware of s oftware of the Fan Control Board is corrupt. If this is the case try to reload the
firmware and/or software of the Fan Control Board.
12
FPGA CONFIG (red) This LE D lit up during the start up of the F an Control Board and in case the FPG A of the Fan
Control B oard is not correctly loaded with the firmware. If this is the case try to reload the firmw
are
and/or software of the Fan Control Board. If the problem remains replace the Fan C ontrol Board.
13
FCB HEARTBEAT
(green)
This LED flashes once a second in normal operation which indicates that the F an Control Board
works properly. In boot mo de this LED flashes twice a s econd.
14
FCB COMM (yellow) This LED lit up each time the PMP board (which includes the Controller) c omm unicates with
the Fan Control Board.
15
SWITCH FORCE
BOOT
Keeping this switch pressed while powering the projector will force the Fan Control Board t o run in
boot m ode. As a result the FCB HEARTBEAT flashes tw ice a s econd.
R5905312 HDF W SERIES 24/01/2013 309
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