Barco HDF W series Service Manual

19. Board Diagnostic LED’s
19.9 LPS module diagnostic LED’s
Status LED’s on the LPS module
There are 8 diagnostic LED’s on the LPS module. F our orange, three green and one red LED .
The orange LED “LVP S OK” lights up immediately after the projector is switched on. At the same time, the heartbeat LED starts
blinking. A ll other s tatus LEDs of the LPS unit remain off. This is the standby status of the LP S unit. Once the command is sent
to the LPS units to start up the projection lamp, the green LEDs are lighting up one after the other. F irst the green LED “PFC OK”,
then the green LED “LPS OK” and finally, when the lamp is ignited, the green LED “LAMP ON ”. The right orange of the uppe r row
blinks. This is the heartbeat signal
The red LED “ERR” r emains off unless an error is detected inside the LPS unit or when both LPS u nits are ordered to shutdown due
to a malfunction somewhere else inside the projector.
- LAMP OUTPUT +
ERR
N
STATUS CTLB OUT
ADDRESS CTRL IN
LAMP ON / LVPS OK
CTRL OUT
CTLB IN
PFC
OK
LPS
OK
MAINS
INPUT
3
2
1
4 5 6
7 8
Image 19-11
1 Diagnostic LED “LPS HEARTBEAT” (orange).
2 (internal use only).
3 Diagnostic LED “LPS TRANS” (orange).
4 Diagnostic LED “ERROR” (red).
5 Diagnostic LED “PFC OK” (green).
6 Diagnostic LED “LPS OK” (green).
7 Diagnostic LED “LAMP ON” (green).
8 Diagnostic LED “LVP S OK” (yellow).
Diagnostic
About the orange LEDs next to the CTRL connectors:
LED 2 is only for internal use. LED 1 is the heartbeat LED.
LPS
HEARTBEAT
(Orange LED 1)
Diagnostics Action
Blinking Normal operation
-
OFF 12 V from backplane via CTRL I N not available on LPS
unit
Check 12V out on backplane.
ON 12 V from backplane available. Replace the LPS module.
LPS TRANS
(Orange LED 3)
Diagnostics Action
Blinking Normal operation, blinks each time a valid transmission
has been received
-
Communication fault (n o reception of valid comm ands
from primary side)
Replace LPS unit
Fault on primary side of LPS (E.g. fuse blown and no
mains voltage av ailable inside LPS)
Replace fuse.
If the problem is not solved, replace LPS
OFF or ON
No mains v oltage present at input of LPS m ains
terminals
Check main voltage.
About the diagnostic LEDs, ERR , PFC, LPS , Lam p ON and LVPS .
322
R5905312 HDF W SERIES 24/01/2013

Barco HDF W series Specifications

General

Brand	Barco
Model	HDF W series
Category	Projector
Language	English